Using the information regarding the set, it should be noted that (D NE) UF will be {b, a, t, h, s, t}
How to explain the informationD U E = {b, a, c, k} U {t, a, s, k}
= {b, a, c, k, t, s}
Next, we need to find the complement of set D with respect to set E, which is denoted as D NE. This is the set of all elements in E that are not in D: D NE = E \ D = {t, s}
(D NE) UF = {t, s} U {b, a, t, h}
= {b, a, t, h, s, t}
In conclusion, Using the information regarding the set, it should be noted that (D NE) UF will be {b, a, t, h, s, t}
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On a piece of paper, graph f(x)=(). Using the graph, decide which one of
10
these statements is true.
9
A. The range of f(x) is y>.
10
B. It is always increasing.
C. The y-intercept is (0, 1).
OD. The domain of f(x) is x > 0.
Where the function f(x) = (9/10)ˣ is given, all the functions are correct with the EXCEPTION of option D.
How is this so ?A. The range of f(x) is y > 0 since any positive number raised to any power is positive.
Therefore, f(x) = (9/10)ˣ > 0.
B. Since the base of the exponential function, 9/10, is less than 1, f(x) is a decreasing function. Therefore, it is not always increasing
C. To find the y- i ntercept of f(x ), we substitute x=0 into the equation:
f(0) = (9/10)⁰ = 1.
Therefore, the y- intercept is ( 0, 1).
D. The domain of f(x) is x ≥ 0, not x > 0. The function is defined for all non negative real numbers since any non-negative number can be raised to any power.
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Solve the equation 120 + 1814
x = 180 − 134
x for x.
Answer:
0.033
Step-by-step explanation:
120+1814x=0
180-134x=0
=0.033
Answer:
i need the points i think the other guy got it right anyway:)
Step-by-step explanation:
7x+3=9x-3-2x find the solution
A continuous random variable has a rectangular distribution f(x)={█(1/(b-a):a
The rectangular distribution f(x) = 1/(b-a) for a ≤ x ≤ b is a valid probability density function.
What is distribution?In mathematics and statistics, a distribution refers to the pattern of values or frequencies of a variable within a set of data. It describes the spread and behavior of data and can be represented by graphs, tables, or mathematical functions.
According to given information:The rectangular distribution is a continuous probability distribution where the probability density function (PDF) is constant over a certain interval and zero elsewhere. In this case, we have a rectangular distribution with parameters a and b, where a is the lower bound of the interval and b is the upper bound of the interval.
The probability density function (PDF) of this rectangular distribution is given by:
f(x) = 1/(b-a) for a ≤ x ≤ b
and f(x) = 0 elsewhere.
To verify that this function is a valid probability density function, we need to check two conditions:
Non-negativity: f(x) is non-negative for all xTotal probability: The area under the curve of f(x) is equal to 1The first condition is satisfied because f(x) is always positive on the interval [a, b]. The second condition is satisfied because the area under the curve of f(x) from a to b is equal to:
[tex]\int\limits^a_b f(x) dx = \int\limits^a_b (1/(b-a)) dx = [x/(b-a)]_b^a= (b-a)/(b-a) = 1[/tex]
Therefore, the rectangular distribution f(x) = 1/(b-a) for a ≤ x ≤ b is a valid probability density function.
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Kareem received a $1700 bonus. He decided to invest it in a 3-year certificate of deposit (CD) with an annual interest rate of 1.33% compounded annually.
Answer the questions below. Do not round any intermediate computations, and round your final answers to the nearest cent. If necessary, refer to the list of financial formulas.
(a) Assuming no withdrawals are made, how much money is in Kareem's account after 3 years? $?
(b) How much interest is earned on Kareem's investment after 3 years? $?
a) Assuming no withdrawals are made, the future value in Kareem's account after 3 years is $1,768.74.
b) After 3 years, the interest earned on Kareem's investment is $68.74.
What determines the interest and the future value?The future value and the interest are determined by the investment (present value) and the interest rate, including the compounding periods.
The future value of a present-value investment can be determined using an online finance calculator, including the total interest earned on the investment.
N (# of periods) = 3 years
I/Y (Interest per year) = 1.33%
PV (Present Value) = $1,700
PMT (Periodic Payment) = $0
Results:
Future Value (FV) = $1,768.74
Total Interest = $68.74
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Caleb has a job that pays $11.15 per hour for a 40-hour work week. He is paid time and a half for every hour over 40 that he works in a week. What will his gross pay be for a week in which he works 46 hours?
Answer:
Caleb's regular pay for 40 hours of work is:
$11.15/hour × 40 hours = $446
For the 6 hours of overtime, he is paid time and a half, which is:
$11.15/hour × 1.5 = $16.725/hour
So for the 6 hours of overtime, his pay is:
$16.725/hour × 6 hours = $100.35
His total gross pay for the week is the sum of his regular pay and his overtime pay:
$446 + $100.35 = $546.35
Therefore, Caleb's gross pay for a week in which he works 46 hours is $546.35.
URGENT!! ILL GIVE
BRAINLIEST! AND 100 POINTS
Answer:
B and C are right
Step-by-step explanation:
Total Number of Cats: 58
a is wrong because there are 15 cats in the 6 month to 1 year range and 15/58 is 26% not 35%
b is right because there are 19 cats 1 year or older and 11 cats took more than 1 month to be adopted 11/19 is 58% making it correct
c is right because 38 cats were adopted in a month or less and 38/58 is 66%
d is wrong because 20 cats took longer than a month to adopt and 3 were younger than 3 months and 3/20 = 15% not 12.5%
e is wrong because 18 cats were adopted in 1 to 7 days and 4 were 6 months to 1 year and 4/18 = 22%
Use the 2016 marginal tax rates to compute the tax owed by the following person.
A single woman with a taxable income of $19,000 and a $2500 tax credit
Our negative number means that the government owes you $413.75. We would have to pay the government money if it weren't a negative number.
What is tax?In order to pay for general government services, goods, and activities, local, state, and federal governments must collect mandated payments or charges from citizens and corporations.
Since ancient times, paying taxes to governments or officials has been a fundamental aspect of civilization.
So, to address this issue, utilize the Single column.
You must first calculate her taxes before deducting the tax credit.
She earns $17,000 in taxable income. She now falls into the 15% category.
The amount owed on the first 9275 dollars that are subject to the tax must first be determined.
.10 * 9275 = 927.50
The remainder of her debt, which is in the 15% range, must then be collected.
.15 * (17000 - 9275) = 1158.75
Add up all of our taxes on the money, then deduct our tax credit of $2500.
(927.50 + 1158.75) - 2500
(2086.25) - 2500 = -413.75
Therefore, our negative number means that the government owes you $413.75. We would have to pay the government money if it weren't a negative number.
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A different patient had been admitted before your shift, and you are reading their chart. They have been in treatment for 8 hours, so it is time to change their fluid intake.
Part of Body Burned?
(1 = yes, 0 = no)
Head 0
Left Arm 0
Right Arm 1
Upper Front Torso 1
Upper Back Torso 1
Lower Front Torso 1
Lower Back Torso 0
Upper Left Leg 1
Upper Right Leg 1
Lower Left Leg 1
Lower Right Leg 0
Given that this patient's weight/mass is 97 kg, determine how much fluid they should receive per hour in the next 16 hours of their care. Answer to the nearest hundredth of a liter (two decimal places).
Answer:
Based on the patient's chart, the percentage of their body burned is:
(0 + 0 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 0) / 11 = 7 / 11 = 0.64
Using the Parkland formula, we can calculate the fluid intake needed in the first 24 hours as:
4 mL x weight in kg x % body burned = 4 x 97 x 0.64 = 248.32 mL
Since the patient has already been in treatment for 8 hours, we need to calculate the fluid intake needed for the remaining 16 hours:
248.32 mL / 24 hours x 16 hours = 132.22 mL
Therefore, the patient should receive approximately 132.22 mL of fluid per hour in the next 16 hours of their care. Rounded to two decimal places, this is 132.22 mL per hour.
Suppose that a varies directly with the square of y and inversely with the cube root of
z. If x= 32 when y = 4 and z = 8, find a when y = 2 and z = 27.
The value of x when the value of y = 2 is 8 and the value of x when the value of z = 27 is 48 using the direct and inverse variations.
Given that,
x varies directly with the square of y.
For some constant m, x = m y²
x varies inversely with the cube root of z.
For some constant n, x = n ∛z
We have when x = 32, the value of y = 4.
16m = 32
m = 2
Hence the direct variation equation is, x = 2 y²
We have when x = 32, z = 8.
2n = 32
n = 16
Hence the inverse variation equation is, x = 16 ∛z
When y = 2,
x = 2 × 2² = 8
When z = 27
x = 16 ∛27 = 16 × 3 = 48
Hence the value of x are 8 and 48 respectively when y = 2 and z = 27.
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HELP DOING CORRECTIONS DUE IN A HOUR GIVING BRAINLIEST AND 25 POINS
Answer: a = 9
Step-by-step explanation:
The triangle follows the 45-45-90 rule, meaning:
- This is the only isosceles triangle where the Pythagorean theorem can be used.
There are 2 ways to solve this problem...
The easy way is to identify the fact that the sides of a 45-45-90 triangle will be:
– the sides opposite the 45° angles will be 'a'
– the hypotenuse is a•[tex]\sqrt{2[/tex]
The hard way will help visualize this:
Since there's a right angle, you can use the Pythagorean theorem
a² + a² = c² = [tex](9\sqrt{2})^{2}[/tex]
2a² = [tex](9\sqrt{2})^{2}[/tex]
2a² = (9²•2) = 162
a² = 81
a = 9
Dan bought 3 CDs that were each the same price. Including sales tax, he paid a total of $50.40 . Of that total, $2.10 was tax. What was the price of each CD before tax?
Answer:
see below
Step-by-step explanation:
50.4 -2.1 = 48.3
48.3/3 = 16.1 each
Answer: $16.10
Step-by-step explanation:
$50.40-$2.10=$48.3
$48.3/3=$16.1
ACCOUNTING
Differential Analysis for a Discontinued Product
A condensed income statement by product line for Lavonia Beverage Inc. indicated the following for Vim Cola for the past year:
Line Item Description Amount
Sales $235,000
Cost of goods sold (111,000)
Gross profit $124,000
Operating expenses (143,000)
Operating loss $(19,000)
It is estimated that 15% of the cost of goods sold represents fixed factory overhead costs and that 20% of the operating expenses are fixed. Because Vim Cola is only one of many products, the fixed costs will not be materially affected if the product is discontinued.
a. Prepare a differential analysis dated November 2 to determine whether Vim Cola should be continued (Alternative 1) or discontinued (Alternative 2). If an amount is zero, enter "0". If required, use a minus sign to indicate a loss.
Based solely on financial considerations, Vim Cola should be discontinued.
We have,
Differential analysis to determine whether Vim Cola should be continued or discontinued:
Differential Analysis:
Continue vs. Discontinue Vim Cola table is given below.
The differential analysis shows that if Vim Cola is continued (Alternative 1), the company will have sales of $235,000, a cost of goods sold of $111,000, and operating expenses of $143,000.
This will result in a gross profit of $124,000 and an operating loss of $19,000.
If Vim Cola is discontinued (Alternative 2), the company will have no sales or cost of goods sold related to Vim Cola, but will still have $25,000 of fixed operating expenses.
This will result in an operating loss of $25,000.
The difference between the two alternatives is an operating income(loss) of ($6,000).
Since the difference is negative, discontinuing Vim Cola would result in a better financial outcome for the company.
Therefore,
Based solely on financial considerations, Vim Cola should be discontinued.
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Here's a differential analysis for Lavonia Beverage Inc. to decide whether Vim Cola should be continued or discontinued:
Differential Analysis
Alternative 1: Continue Vim Cola
Alternative 2: Discontinue Vim Cola
Sales revenue $235,000 $0
Cost of goods sold:
Variable costs (111,000) 0
Fixed factory overhead costs (16,650) 0
Total cost of goods sold (127,650) 0
Gross profit $107,350 $0
Operating expenses:
Variable expenses (114,400) (28,800)
Fixed expenses (28,600) 0
Total operating expenses (143,000) (28,800)
Operating income (loss) $(35,650) $(28,800)
The analysis shows that if Lavonia Beverage Inc. continues to sell Vim Cola, it will generate sales revenue of $235,000 and incur total variable costs of $111,000.
Additionally, 15% of the cost of goods sold, or $16,650, is fixed factory overhead costs. Total cost of goods sold for Vim Cola is $127,650 ($111,000 + $16,650).
On the other hand, if Vim Cola is discontinued, the company will lose the sales revenue of $235,000 but will also save on the variable and fixed costs associated with the product.
Variable operating expenses are estimated to be 20% of total operating expenses, or $28,800. Fixed operating expenses associated with Vim Cola are estimated to be 20% of total fixed operating expenses, or $28,600.
Thus, based on the analysis, it appears that Vim Cola is generating a loss of $35,650 if it continues to be sold, while discontinued it would result in a loss of $28,800. Therefore, it may be advisable to discontinue Vim Cola.
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What's the equation for line AB?
The equation of line AB using the coordinates of point A(-2,2) and B(1.4) with the help of formula for equation of line in two point form is 3y=2x+10
or 3y-2x=10 or 3y-2x-10=0
What are coordinates?
The two-dimensional cartesian coordinates are (x, y), while the three-dimensional cartesian coordinates are (x, y, z). The abscissa and ordinate are the terms used to describe ordered pairs in the form of (x,y). Abscissa: The first number in the ordered pair is termed the abscissa. The abscissa is the value of x in the ordered pair & ordinate is value of y.
We know that equation of line in slope-intercept form is given by:y=mx+b where m denotes slope & b denotes intercept. Also the equation of line can be given in the form of [tex]\frac{Y-Y1}{X-X1} =\frac{Y2-Y1}{X2-X1}[/tex], where (X₁,Y₁) and (X₂,Y₂) are two points through which the line passes.
From the graph it can be seen that the line passes through two points A(-2,2) and B(1,4)
Equation of line through two points A(-2,2) and B(1,4):
[tex]\frac{Y-Y1}{X-X1} =\frac{Y2-Y1}{X2-X1}[/tex]
Consider point A as (X1,Y1) and point B as (X2,Y2)
[tex]\frac{Y-2}{X-(-2)}[/tex] = [tex]\frac{4-2}{1-(-2)}[/tex]
[tex]\frac{Y-2}{X+2}[/tex] =[tex]\frac{4-2}{1+2}[/tex]
[tex]\frac{Y-2}{X+2}[/tex] =[tex]\frac{2}{3}[/tex]
Y-2 =[tex]\frac{2}{3}[/tex] (X+2)
3(Y-2) =2(X+2)
3Y-6 =2X + 4
3Y = 2X + 4 + 6
3Y = 2X +10
Equation of line through two points A(-2,2) and B(1,4): 3y=2x+10
or 3y-2x=10 or 3y-2x-10=0
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what is the surface area of a cube when one side is 2mm and one side is 3mm and the other side is 2mm.
One side of the cube is 2 mm, another side is 3 mm, and the remaining side is 2 mm, then the surface area of the cube is 102 mm².
What is a cube?A cube is a three-dimensional geometric shape that has six square faces of equal size. It is a regular polyhedron, which means that it has congruent regular polygons as its faces, and its edges and vertices are all congruent. A cube can be thought of as a three-dimensional version of a square, as all six faces are square and have equal side lengths.
The cube is a very important shape in mathematics and geometry, as it has many useful properties and applications. For example, it is used in calculating the volume and surface area of three-dimensional objects, and in modeling and visualizing three-dimensional structures in physics, chemistry, and engineering. It is also a common shape in games and puzzles, such as Rubik's Cube.
According to the given informationA cube has six square faces, each of which has the same area. Therefore, to find the surface area of a cube, we can calculate the area of one face and then multiply it by six.
If one side of the cube is 2 mm, then the area of one face is:
2 mm x 2 mm = 4 mm²
If one side of the cube is 3 mm, then the area of another face is:
3 mm x 3 mm = 9 mm²
If the remaining side of the cube is also 2 mm, then the area of the third face is also:
2 mm x 2 mm = 4 mm²
Therefore, the total surface area of the cube is:
6 x (4 mm² + 9 mm² + 4 mm²) = 6 x 17 mm² = 102 mm²
Therefore, if one side of the cube is 2 mm, another side is 3 mm, and the remaining side is 2 mm, then the surface area of the cube is 102 mm².
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name the following polyhedra:
a. The polyhedron is a triangular prism
b. The polyhedron a pentagonal pyramid
Determining the names of the polyhedraFrom the question, we are to determine the names of the given polyhedra.
a. The given polyhedra is a three-dimensional geometric shape that consists of two congruent parallel triangles as the base and three rectangular faces that connect the corresponding sides of the triangles.
This shape is known as a triangular prism.
b. The polyhedra is a three-dimensional geometric shape that consists of a pentagonal base and five triangular faces (also known as lateral faces) that meet at a common vertex point above the base. The lateral faces connect the corners of the pentagonal base to the apex, forming five triangular sides that taper upwards to meet at a single point.
This shape is known as a pentagonal pyramid.
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Quadrilateral MNOP has coordinates M(-1, -1), N(-2, -5), O(1, -4), and P(0, -1). If the quadrilateral is rotated 90° clockwise about the origin, what are the coordinates of N'?
The coordinate point of N'is (-2,5)
Assume that when human resource managers are randomly selected, 42% say job applicants should follow up within two weeks. If 5 human resource managers are randomly selected, find the probability that at least 2 of them say job applicants should follow up within two weeks.
Can anyone please explain and help me with this?!
The z-scores are given as follows:
Sam: Z = -1.42.Beth: Z = -1.84. -> more convincing.How to obtain the z-scores?The z-score of a measure X of a normally distributed variable that has mean represented by [tex]\mu[/tex] and standard deviation represented by [tex]\sigma[/tex] is obtained by the equation presented as follows:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The z-score represents how many standard deviations the measure X is above or below the mean of the distribution of the data-set, depending if the obtained z-score is positive(above the mean) or negative(below the mean).The z-score table is used to obtain the p-value of the z-score, and it represents the percentile of the measure X in the distribution. -> this means that the higher the absolute value of the z-score, the more convincing it is.Sam's z-score is given as follows:
Z = (185.67 - 186.17)/0.351
Z = -1.42.
Beth's z-score is given as follows:
Z = (111.65 - 111.9)/0.136
Z = -1.84.
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1. ¿Cuánto es la energía necesaria para aumentar la temperatura del cilindro de aluminio desde la temperatura ambiente hasta
la temperatura final?(5pts)
2. ¿Cuánto es la energía necesaria para aumentar la temperatura del cilindro de latón desde la temperatura ambiente hasta la
temperatura final? (5pts)
3. ¿Qué valores numéricos se utilizaron para realizar la grafica de potencia vs tiempo? (5pts)
Answer:
can't understand. I don't understand this language. Sorry
LANDSCAPING You are building a rectangular brick patio
surrounded by crushed stone in a rectangular courtyard as
shown. The crushed stone border has a uniform width x (in
feet). You have enough money in your budget to purchase
patio bricks to cover 140 square feet. Solve the equation
140 (202x)(16-2x) to find the width of the border.
16
Solving the equation, the calculated value of the width of the border is 3 feet
Solving the equation to find the width of the border.From the question, we have the following parameters that can be used in our computation:
140 (202x)(16-2x)
Express properly
So, we have
(20 - 2x)(16 -2x) = 140
The above equation can be solved graphically
When the equation (20 - 2x)(16 -2x) = 140 is entered in a graphing tool, we have the solution to be
x = 3 and x =15
The value 15 would make the lengths invalid
So, we have
x = 3
Hence, the width of the border is 3 feet
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make a number line a ns mark all the points that represent the following values of x.
x≤-2 and x<-5
All the points less than -5 will be marked on the number line.
To represent the values of x where x ≤ -2 and x < -5 on a number line, we start by marking a point at -2 and shading everything to the left of it since x is less than or equal to -2. Next, we add another shading to the left of -5 since x is also less than -5. We then mark an open circle at -5 since x is not equal to -5.
Our number line would look like this as image attached below.
The shaded region to the left of -5 represents all values of x that are less than -5. The shaded region between -5 and -2 represents all values of x that are between -5 and -2, including -5 and -2. The open circle at -5 indicates that x cannot equal -5, but can be any other value less than -5.
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You administer 60 mg of furosemide to Ms. Anakin. Furosemide is packaged 10 mg per mL in 4 mL. How many ampules will you need?
63 mL/Hour should be administered to the patient. Flow rate Q is defined to be the volume V flowing past a point in time t, or Q=Vt where V is volume and t is time.
Here, we have,
One of the oldest theories in biology and medicine is the structure-function relationship, which states that form serves function and that function affects form.
In this article, we derive and validate form-function relations for volume, length, flow, and mean transit time in vascular trees and capillary numbers of different organs and species.
A vessel segment is referred to as a "stem," while the vascular tree it supplies is referred to as a "crown."
We show form-function relationships between the volume, length, and blood flow that perfuse a vascular network's crown and the number of capillaries in the network.
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complete question;
an order is given to administer 100. mg of furosemide, a diuretic, over the course of four hours by iv. if a 500. ml bag contains 200. mg of furosemide, what flow rate, in ml/hour, should be administered to the patient?
Jane is buying a new sports car for $68,000. The dealer is providing financing at an annual rate of 15% using the add-on method. If Jane wants to pay off the car in 3 years, what will
her monthly payment be?
(Round to the nearest cent
Answer:
$2,738.89/per month
Step-by-step explanation:
this is a loan shark. 15% is robbery.
The Add on Method is an alternative method of paying interest after it is added onto the principal at maturity. In this method, the interest on the loan is calculated annually and multiplied by the number of years left for repayment.
Calculate the annual interest: Multiply the interest rate by the amount you originally borrowed: 15% x $68,000 = $10,200.
Calculate the add-on interest amount: Multiply the annual interest amount by the number of years in the loan: $10,200 x 3 years = $30,600.
so total she'll have to pay over 3 years = 98600
98600/36 months = 2738.89/per month
Can someone help me please with this
The area of a regular decagon with a radius of its circumscribed circle equal to 9 is approximately 119.1 to the nearest tenth
How do you calculate for the area of a regular decagonTo calculate the area of a regular decagon with a radius of its circumscribed circle equal to 9, we need to first find the length of its sides.
For a regular decagon, the relationship between the radius of its circumscribed circle (R) and the length of its sides (a) is:
a = R × sqrt(2 - 2×cos(360/10))
Simplifying this equation, we get:
a = R × sqrt(2 - 2×cos(36))
a ≈ 5.5629
Now that we have the length of the sides, we can use the formula for the area of a regular decagon:
A = (5/4) × a² × (sqrt(5 + 2 × sqrt(5)))
A = (5/4) × (5.5629)² × (sqrt(5 + 2 × sqrt(5)))
A = 154.7293/4 ×
A ≈ 119.0526
Therefore, the area of a regular decagon with a radius of its circumscribed circle equal to 9 is approximately 119.1
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How many solutions does this equation have 5(2x − 3) = 15
Answer: one solution x=3
Step-by-step explanation:
this problem is very simple, we need to figure out out what number(x) when multiplied by 2, and then you minus 3 (2x-3)
we need to then multiply this number by 5 to get 15, so 5x3 is what we need to find, so then we need to have the number 6 as 2x, or 3 as x.
so we end up with equation 5(2*3-3) or, 5(6-3), which equals 5*3= 15.
Surface area of 16ft x 5ft x 14ft
A trough at the end of a gutter spout is meant to direct water away from a house. The homeowner makes the trough from a rectangular piece of aluminum that is 22IN long and 4 IN wide. He makes a fold along the two long sides a distance of inches from the edge.
(a) Write a function to represent the volume in terms of x
(b) What value of x will maximize the volume of water that can be carried by the gutter?
(c) What is the maximum volume?
a) The function that represents the volume of the trough in terms of x is V(x) = 88x - 8x².
b) x = 5.5 inches.
c) The maximum volume is 0 cubic inches.
What is a function?A function is a mathematical concept that describes a relationship between two sets of values, typically represented as variables. A function maps each element of the first set, called the domain, to a unique element of the second set, called the range. In other words, a function assigns a single output value to each input value.
For example, consider the function f(x) = x². The domain of this function is all real numbers, and the range is all non-negative real numbers. For each value of x, the function f(x) returns the square of that value.
According to the given information(a) Let x be the distance in inches that the homeowner makes the fold along the two long sides of the rectangular piece of aluminum. Then, the height of the resulting trough will be x inches, and the length of the trough will be 22 - 2x inches (since the fold reduces the length by 2x inches). The width of the trough will still be 4 inches.
The volume of the trough can be found by multiplying its length, width, and height:
V(x) = (22 - 2x) * 4 * x
V(x) = 88x - 8x²
So, the function that represents the volume of the trough in terms of x is V(x) = 88x - 8x².
(b) To find the value of x that maximizes the volume of water that can be carried by the gutter, we need to find the maximum point of the function V(x). We can do this by taking the derivative of V(x) with respect to x, setting it equal to zero, and solving for x:
V'(x) = 88 - 16x
88 - 16x = 0
16x = 88
x = 5.5
Therefore, the value of x that maximizes the volume of water that can be carried by the gutter is x = 5.5 inches.
(c) To find the maximum volume, we substitute x = 5.5 into the function V(x):
V(5.5) = 88(5.5) - 8(5.5)^2
V(5.5) = 242 - 242
V(5.5) = 0
Therefore, the maximum volume of water that can be carried by the gutter is 0 cubic inches.
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Which statement is true?
3 x (4 + 2) − 5 = 5 x (6 + 3) ÷ 3
3 x (one-half x 8) ÷ 6 = 8 ÷ (one-fourth x 16) + 2
6 + (2.5 x 5) − 3.5 = 14 ÷ (3.5 x 2) + 8
5 x (4 + 9 ÷ 3) = 3 x (3 + 5) + 11
The last statement 5 x (4 + 9 ÷ 3) = 3 x (3 + 5) + 11 is true.
All other statements are false.
What is PEDMAS rule ?The PEDMAS rule is a rule in mathematics which tells us how to evaluate an arithmetic expression. By an arithmetic expression we mean expressions like 5 x (6 + 3) ÷ 3 and 14 ÷ (3.5 x 2) + 8.
Each such expression has a value. The PEDMAS rule gives us a sequence of steps, following which we can correctly find the value of an arithmetic expression.
The letters in the word PEDMAS stand for P : Parenthesis,
E : Exponentiation,
D: Division,
M : Multiplication,
A : Addition,
S : Subtraction.
According to this rule we must first
1. Evaluate any parenthesis, that is any expression inside any parenthesis 2. Then any exponential and nth roots.
3. Then evaluate any divisions.
4. Then any multiplication.
5. Then any addition.
6. Finally any subtraction.
This rule is also called the BODMAS rule.
The first two letters stand for Bracket and OF.
In the given expressions:
3 x (4 + 2) − 5 = 3 x 6 - 5 = 18 - 5 = 13,
while 5 x (6 + 3) ÷ 3 = 5 x 9 ÷ 3 = 5 x 3 = 153 x (one-half x 8) ÷ 6 = 3 x 4 ÷ 6 = 2,
while 8 ÷ (one-fourth x 16) + 2 = 8 ÷ 4 + 2 = 2 + 2 = 46 + (2.5 x 5) − 3.5 = 6 + 12.5 -3.5 = 15,
while 14 ÷ (3.5 x 2) + 8 = 14 ÷ 7 + 8 = 2 + 8 = 105 x (4 + 9 ÷ 3) = 5 x (4 + 3) = 5 x 7 = 35,
while 3 x (3 + 5) + 11 = 3 x 8 + 11 = 24 + 11 = 35
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Answer: d eez
Step-by-step explanation:
rewrite the equation in vertex form by completing the square.
f(x) = (3x-9)(x+1)
The vertex form of the quadratic equation is:
f(x) = 3*(x - 1)² + 12
How to rewrite the quadratic equation?Remember that for a quadratic equation whose vertex is at (h, k) and the leading coefficient is a, we can write it in the vertex form as:
y = a*(x - h)² + k
Here we have:
f(x) = (3x-9)(x+1)
We can rewrite that as:
f(x) = (3x - 3*3)(x+1)
f(x) = 3(x - 3)*(x + 1)
Thus the leading coefficient is 3.
The x-value of the vertex is the midpoint the two x-intercepts x = 3 and x = -1, then:
h = (3 - 1)/2
h = 2/2
h = 1
And to get the y-value, we need to evaluate in x = 1.
f(2) = 3*(1 - 3)*(1 + 1)
f(2) = 3*-2*2 = -12
So the vertex is (1, 12), then the vertex form is:
f(x) = 3*(x - 1)² + 12
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