Answers
Answer:
(x + 8)² + (y - 8)² = 64=======================
Given ConditionsTangent to x-axis,Tangent to y-axis,In the second quadrant,Radius is 8 units.SolutionEquation of circle:
(x - h)² + (y - k)² = r², where (h, k) is center and r - radiusThe center is the radius long distance from the x- axis to left and y-axis up same distance, this makes it in the second quadrant.
So the coordinates of the center are:
x = - 8, y = 8The equation is:
(x - (-8))² + (y - 8)² = 8²(x + 8)² + (y - 8)² = 64
Answer:
[tex](x+8)^2+(y-8)^2=64[/tex]
Step-by-step explanation:
Required conditions:
Tangent to both axes.Center in the second quadrant.Radius = 8 units.If the circle is tangent to both axes, its center will be the same distance from both axes. That distance is its radius.
If the center of the circle is in quadrant II, the center will have a negative x-value and a positive y-value → (-x, y).
Therefore, the coordinates of the center will be (0-r, 0+r) where r is the radius.
If the radius is 8 units, then the center is (-8, 8).
[tex]\boxed{\begin{minipage}{4 cm}\underline{Equation of a circle}\\\\$(x-a)^2+(y-b)^2=r^2$\\\\where:\\ \phantom{ww}$\bullet$ $(a, b)$ is the center. \\ \phantom{ww}$\bullet$ $r$ is the radius.\\\end{minipage}}[/tex]
Substitute the found center and given radius into the formula to create an equation for the circle that satisfies the given conditions:
[tex]\implies (x-(-8))^2+(y-8)^2=8^2[/tex]
[tex]\implies (x+8)^2+(y-8)^2=64[/tex]
Related Questions
What is the equation of a line that is perpendicular to y=0.25x−7 and passes through the point (-6,8)
Answers
keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above
[tex]0.\underline{25}\implies \cfrac{25}{1\underline{00}}\implies \cfrac{1}{4} \\\\[-0.35em] ~\dotfill\\\\ y=0.25x-7\implies y=\stackrel{\stackrel{m}{\downarrow }}{\cfrac{1}{4}}x-7\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array} \\\\[-0.35em] ~\dotfill[/tex]
[tex]\stackrel{~\hspace{5em}\textit{perpendicular lines have \underline{negative reciprocal} slopes}~\hspace{5em}} {\stackrel{slope}{\cfrac{1}{4}} ~\hfill \stackrel{reciprocal}{\cfrac{4}{1}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{4}{1}\implies -4}}[/tex]
so we're really looking for the equation of a line whose slope is -4 and it passes through (-6 , 8)
[tex](\stackrel{x_1}{-6}~,~\stackrel{y_1}{8})\hspace{10em} \stackrel{slope}{m} ~=~ - 4 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{8}=\stackrel{m}{- 4}(x-\stackrel{x_1}{(-6)}) \implies y -8= -4 (x +6) \\\\\\ y-8=-4x-24\implies {\Large \begin{array}{llll} y=-4x-16 \end{array}}[/tex]
Solve by factoring.
6^2 − − 12 = 0
Answers
Answer:
48
Step-by-step explanation:
1 ) Simplify...
[tex]6^2-\left(-12\right)[/tex]
[tex]=6^2+12[/tex]
[tex]6^2=36[/tex]
[tex]=36+12[/tex]
2 ) Add the numbers...
[tex]36+12 =[/tex]
[tex]48[/tex]
Hope this helps! :)
A 17 inch candle burns down in 10 hours. At what rate does the candle burn, in inches per hour?
Answers
Answer:
1.7
Step-by-step explanation:
[tex]\frac{17 \text{ in}}{10 \text{ hr}}=1.7[/tex] in/hr
In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven numbers (1, 2, 3, 4, 5, 6, and 7). Among all the cards of each color, there is exactly one card labeled with each number. The cards in Ms. Q's deck are shown below.
Yunseol draws 5 cards from Ms. Q's deck. What is the probability that three cards have the same number?
Answers
The probability that three cards have the same number, using the hypergeometric distribution, is of:
0.0448 = 4.48%.
What is the hypergeometric distribution formula?The probability mass function for the hypergeometric distribution is defined as follows:
[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]
[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]
The parameters of the function are listed below:
x is the number of successes in the sample.N is the size of the population.n is the size of the sample.k is the total number of desired outcomes in the population.In the context of this problem, the values of these parameters are given as follows:
N = 28, k = 4, n = 5, x = 3.
Hence for one color, the probability that three cards have the same number is:
[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]
[tex]P(X = 3) = h(3,28,5,4) = \frac{C_{4,3}C_{24,2}}{C_{28,5}} = 0.0112[/tex]
There are four colors, hence the probability is:
p = 4 x 0.0112 = 0.0448 = 4.48%.
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a tank is filled with petrol at 35 litres per minute. the tank already had 10 liters in it before the filling began. write an equation in standard form for this situation.
Answers
The equation for a tank that is filled with petrol at 10 liters already and filling at 35 liters per minute is y = 35x + 10
How to write expression for a filling a tankThe equation required here is a linear equation
The graph of linear equation is a straight line graph and the relationship is expressed in the form.
y = mx + c
variables are defined as below
y = total petrol in liters
m = filling in liters per minute = 35
x = number of liters
c = quantity before the filling began = 10
The expression is
y = 35x + 10
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Please help me!!!! WILL GIVE BRAINLIEST!!!!
Answers
Answer: C & E
Step-by-step explanation: A is a lie, function 1 is pos
B is a lie function 1 is pos
C is true
D is a lie
E is true
An inequality _________ always opens to the ______________ number.
Answers
Answer:
symbol
greater
Step-by-step explanation:
An inequality symbol always opens to the larger,greater,bigger number.
Examples:
5 > 1
2 > -1
-4 < 0
2 < 3
Answer: An inequality Sign always opens to the smaller number.
Step-by-step explanation:
Intercept and slope?
Answers
Answer:
Slope = -2
Y-intercept = -8
Step-by-step explanation:
Hello!
Slope-Intercept Form: y = mx + b
m = slopeb = y-interceptThe m variable in this equation would be -2, and it is also the slope of the equation.
The b variable in this equation is -8, which is the y-intercept of the equation.
Answer:
y intercept -8
slope -2
Step-by-step explanation:
y = -2x-8
This is written in slope intercept form
y = mx+b
The slope is m which is -2
The y intercept is b which is -8
A rectangular room, / m long and b m wide,
has a perimeter p, where p = 2l+2b.
a Find the perimeter of a room which is
3.5 m long and 2 m wide.
b Find the length of a room of perimeter
20 m and width 3 m.
Answers
The perimeter of the given rectangular room is found as -
Part a: p = 11 m.
Part b: p = 46 m.
Explain the term perimeter of rectangle?A rectangle's perimeter (P) is the sum of the lengths of its four sides.A rectangle has equal size lengths plus two equal widths since its opposite sides are equal.As, given in the question-
The rectangular room has-
l m long and b m wide,
perimeter p, where p = 2l+2b ...eq 1
Part a: perimeter of a room for, 3.5 m long and 2 m wide.
Put l = 3.5 and b = 2 in eq 1.
p = 2l+2b
p = 2(3.5) +2(2)
p = 7 + 4
p = 11 m.
Part b: perimeter of a room for, 20 m long and 3 m wide.
Put l = 20 and b = 3 in eq 1.
p = 2(20) +2(3)
p = 40 + 6
p = 46 m.
Thus, the perimeter of the given rectangular room is found as 46m.
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Prime factorization of 216. Will give 10 points and 5 star if correct answer
Answers
Answer: The prime factorization of 216 is 2 × 2 × 2 × 3 × 3 × 3 or 23 × 33.
Step-by-step explanation:
PLEASE MARK BRAINLIEST
One factor of f (x ) = 4 x cubed minus 4 x squared minus 16 x + 16 is (x – 2). What are all the roots of the function? Use the Remainder Theorem.
A factor of f(x) is (x – 1).
A factor of f(x) is (x + 1).
Both (x – 1) and (x + 1) are factors of f(x).
Neither (x – 1) nor (x + 1) is a factor of f(x).
Answers
The answer is option A) A factor of f(x) is (x – 1).
What is the remaining theorem?
Remainder Theorem is a method for dividing polynomials according to Euclidean geometry. This theorem states that when a polynomial P(x) is divided by a factor (x - a), which isn't really an element of the polynomial, a smaller polynomial is produced along with a remainder.
f(x) = 4x3 - 4x2 - 16x + 16 [Given]
One aspect is (x - 2)
The remaining theorem is used to:
Where q(x) is the quotient polynomial and r(x) is the remainder polynomial, f(x) = (x-2)q(x) + r(x).
As (x-2) is a factor of f, r(x) equals 0. (x)
f(x) = (x-2)·q(x) (x)
q(x) = f(x)/ (x-2) (x-2)
[4x3 - 4x2 - 16x + 16]/ (x - 2) (x - 2)
= [4x2 (x - 1) - 16 (x - 1)]
/ (x - 2) (x - 2)
By even more simplifying
= [(x - 1) (4x2 - 16)]
/ (x - 2) (x - 2)
excluding 4 as common
= [(x - 1) 4 (x2 - 4)]
/ (x - 2) (x - 2)
With the use of the algebraic formula a2 - b2 = (a + b) (a - b)
= [(x - 1) 4 (x + 2) (x - 2)]
/ (x - 2) (x - 2)
= [4 (x - 1) (x - 2) (x + 2)]
/ (x - 2) (x - 2)
The roots are therefore 2, -2, and 1.
there the ans is A) A factor of f(x) is (x – 1).
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PLEASE HELPP! ORDER THE NUMBERS FROM LEAST TO GREATEST
Answers
Answer:
least
- 1/4 ft
- 14 3/4 ft
- 15 1/2 ft
- 20 3/5 ft
greatest
Answer:
- 20 3/5 ft
- 15 1/2 ft
- 14 3/4 ft
- 1/4 ft
I the number is larger looking but have a negative symbol, then it is smaller.
For example, -1 is greater than -6. Also -1/4 is greater than -20 3/5.
Trust me, I am a year ahead in school, so trust me.
I hope this helped.
Levi has $0.74 worth of pennies and nickels. He has 2 more pennies than nickels.
Determine the number of pennies and the number of nickels that Levi has.
Answers
If he has 2 more pennies than nickels. the number of pennies is 10.6 and the number of nickels that Levi has is 12.6.
How to find the pennies and nickels?n = number of nickels
n-2 = number of pennies
Hence,
5n +1(n -2) = 74
Collect like terms
6n = 76
Divide both side by 6n
n = 76/6
n = 12.6 ( nickels)
Pennies
n-2
= 12.6 -2
= 10.6
Therefore Levi has 10.6 pennies and 12.6 nickels.
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Answer:
Step-by-step explanation:
Jb
c. Sandra sleeps for one-third of the day.
How many hours is that?
d. Sandra visits her family and friends for one-eighth of the day.
How many hours is that?
Answers
D) One eighth of the day is 3 hours. Sandra visits her family and friends for 3 hours.
Answer:
8 hours
3 hours
Step-by-step explanation:
24/3=8
24/8=3
Triangle ABC is shown with exterior ∠z.
triangle ABC with angle A labeled 77 degrees, angle B labeled 57 degrees, and side AC extended with angle z labeled as exterior angle to angle C
Determine m∠z.
46°
77°
123°
134°
Answers
Answer:
[tex]134^{\circ}[/tex]
Step-by-step explanation:
Using the exterior angle theorem,
[tex]m\angle z=m\angle A+m\angle B=134^{\circ}[/tex]
Using the exterior angle theorem, angle z is measured as 134°.which is the correct answer that would be an option (D).
What is the Exterior Angle Theorem?The exterior angle theorem is a triangle theorem that asserts that the measure of the external angle created by an extended side of a triangle is equal to the sum of the measures of the triangle's remote interior angles.
The given data will be the following as:
Exterior angle to angle C of triangle ABC = z
The remote interior angle of triangle ABC are angled A = 58° and angle B = 44°.
Therefore:
The measure of angle z = measure of angle A + measure of angle B [according to the exterior angle theorem]
Substitute the values and we get
Measure of ∠z = 77 + 57
Measure of ∠z = 134°
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A hospital would like to determine the mean length of stay for its patients having abdominal surgery. A sample of 17 patients revealed a sample mean of 6.6 days and a sample standard deviation of 1.5 days. Assume that the lengths of stay are approximately normally distributed. Find a 99% confidence interval for the mean length of stay for patients with abdominal surgery. Round the endpoints to two decimal places, if necessary.
Answers
The 99% confidence interval for the mean length of stay for patients with abdominal surgery is 5.54, 7.66
How to solve for confidence intervalWe have the following data to solve the question with
sample size = 17
standard deviation s = 1.5
Confidence interval = 99%
mean = 6.6 days
α = 1 - 0.99
= 0.01
df = degree of freedom = n -1
17 - 1 = 16
tα/2 = 0.01 / 2
= t 0.005, 16
t critical value = 2.9208
99 % confidence interval =
X ± t critical * s/√n
[tex]6.6 +-2.9208 * \frac{1.5}{\sqrt{17} }[/tex]
6.6 ± 1.0626
6.6 - 1.0626, 6.6 + 1.0626
= 5.54, 7.66
The 99% confidence interval for the mean length of stay for patients with abdominal surgery is 5.54, 7.66
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The function f(x) is graphed below. What is true about the graph on the interval from point a to point b?
Answers
Answer:
Option 1. It is positive and increasing.
Step-by-step explanation:
1x(3x6)=18 create a equivalent multiplication sentence that illustrates the associative property of multiplication
Answers
The equivalent multiplication sentence that shows associative property is 3x(1×6)
What is associative property?Associative property is defined as, when more than two numbers are added or multiplied, the result remains the same, irrespective of how they are grouped.
This means that if a,b,c are real numbers then a×(b×c)=b×(a×c)
using the associative property,1×(3×6)= 3×(1×6)
To verify the statement,let's find out
solving the parentheses first
1×(3×6)=1×18= 18
3×(1×6)= 3×6= 18
this means that 1×(3×6) and 3×(1×6) are associative
therefore 1×(3×6)=3×(1×6)
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A manager at SUBWAY wants to find the total cost of 24.8 pounds of sliced turkey at $1.89 a pound and 38.2 pounds of provolone cheese at $2.05 a pound. Find the final
cost. [1.4 and 1.5]
Answers
The final cost of the sliced turkey and provolone cheese is $31.84
How to calculate the final cost of both products?The first step is to calculate the cost of the sliced turkey
The pounds of turkey is 24.8
The amount of the turkey is $1.89
The cost is = 24.8/1.89
= 13.21
The next step is to calculate the cost of the provolone cheese
The pounds of the provolone cheese 38.2
The amount of provolone cheese is $2.05
The cost is = 38.2/2.05
= 18.63
Therefore the final cost can be calculated as follows
= 13.21 + 18.63
= 31.84
Hence the final cost is $31.84
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Se divide una suma de Gs. 1.365.000 en tres capitales. Colocados respectivamente al 2%, 3% y 4%, producen el mismo interés simple anual. Calcula dichos capitales
Answers
Los capitales depositados en las cuentas de 2 %, 3 % y 4 % son 630.000, 420.000 y 315.000, respectivamente.
¿Cuántos capitales se deben ingresar en tres cuentas para obtener ganancias por interés simple?
En este problema tenemos el caso de una suma de dinero distribuida y depositada en tres cuentas con tres tasas de interes simple distintas. Existe una tasa de interés simple cuando el interés generado sobre el capital no es acumulativo en el tiempo. El modelo de interés simple es descrito por la siguiente fórmula:
C' = C · (1 + r / 100)
Donde:
C - Capital inicial.C' - Capital final.r - Tasa de interés, en porcentaje.A continuación, describimos la ganancia registrada en cada cuenta tal que produce la misma ganancia:
Cuenta al 2 %:
z = x · (2 / 100)
z = 0.02 · x
0.02 · x - z = 0
Cuenta al 3 %:
z = y · (3 / 100)
z = 0.03 · y
0.03 · y - z = 0
Cuenta al 4 %:
z = (1.365.000 - x - y) · (4 / 100)
z = 54600 - 0.04 · x - 0.04 · y
0.04 · x + 0.04 · y + z = 54600
La solución de este sistema de ecuaciones lineales se obtiene mediante métodos numéricos:
(x, y, z) = (630.000, 420.000, 12.600)
Finalmente, el capital depositado en la cuenta al 4 % es:
c = 1.365.000 - 630.000 - 420.000
c = 315.000
Se deposita capitales de 630.000, 420.000 y 315.000 en las cuentas de 2 %, 3 % y 4 %, respectivamente.
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K
A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and test 59 tablets, then accept the whole batch if there is
only one or none that doesn't meet the required specifications. If one shipment of 3000 aspirin tablets actually has a 2% rate of defects, what is the probability that this whole
shipment will be accepted? Will almost all such shipments be accepted, or will many be rejected?
The probability that this whole shipment will be accepted is
(Round to four decimal places as needed.)
4
Answers
Answer:
The probability that this whole shipment will be accepted is 72.39%.Step-by-step explanation:
The probability of no defects with 2% rate of defects:
P(no defects) = 59*0.02⁰*(1 - 0.02)⁵⁹ = 0.3583 (rounded) = 35.83%Probability of exactly one defect:
P(1 defect) = 59*0.02¹*(1 - 0.02)⁵⁸ = 0.3656 (rounded) = 36.56%Probability of one or no defects:
P(1 or none) = 35.83% + 36.56% = 72.39%This indicates that:
100% - 72.39% = 27.61% of shipments will be rejected, it is a lot, so many shipments will be rejectedThe probability that this whole shipment will be accepted is 72.39%.
Jillian sells handmade t- Shirts and large purses; each tea shirt costs $15. Each Large purse goes for $59 and the cost of small purses is $32 each. In the first week she sold 4 t-shirts and 3 large purses and 9 small. In the second week she sold another 5 t-shirts, 7 large bags and 4 small ones. Last week she sold 8 t-Shirts and also sold 3 large purses and 5 small purses. What was the exact amount she made in 3 weeks?
Answers
Answer:
$1598
Step-by-step explanation:
1st week
4*15=60
32*9=288
59*3=177
60+177+288=525
2nd week
5*15=75
59*7=413
32*4=128
75+413+128=616
3rd week
8*15=120
3*59=177
5*32=160
120+177+160=457
525+616+457=$1598
graph the linear inequality y≤-2/5x-4
Answers
The graph of the inequality, y ≤ -2/5x - 4, is shown below
Graph of Linear inequalitiesFrom the question, we are to graph the given linear inequalities.
The given linear inequalities is y ≤ -2/5x - 4.
To graph the linear inequality,
First, we will draw the line of the equation y = -2/5x - 4
To draw the line, we will use the x-intercept and y-intercept.
y-intercept
When x = 0
y = -2/5x - 4
y = -2/5(0) - 4
y = 0 - 4
y = -4
Thus, the coordinate of the y-intercept is (0, -4)
x-intercept
When y = 0
y = -2/5x - 4
0 = -2/5x - 4
4 = -2/5x
4 × 5 = -2x
20 = -2x
x = 20/-2
x = -10
Thus, the coordinate of the x-intercept is (-10, 0)
Now, using the coordinates of the x and y-intercepts, the line of the graph is shown.
Since the sign of the inequality is less than or equal to (≤), the line is a solid line and the solution is below the line.
The graph of the inequality is shown below.
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Race times for a recent 5k
run are normally distributed with a mean
time of 38 minutes and standard devia-
tion of 3.5 minutes.
(a) What is the median race time for this
event?
Answers
The median race time for this event is 38 minutes.
Given:
Race times for a recent 5k run are normally distributed with a mean time of 38 minutes and standard deviation of 3.5 minutes.
a.
X is normally distributed in (38,3.5).
so here the mean and the median are equal to each other.
Mean = 38
Median = mean
Median = 38 minutes.
Therefore the median race time for this event is 38 minutes.
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Make the subject of
6x = t
Answers
The subject of the equation is x and it can be written as x = t/6.
What do you mean by solving an equation?Calculating the value of the unknown variable while keeping the equation balanced on both sides is the process of solving equations. The equation's solution is the value of the variable for which the equation is true. An equation remains the same even when the LHS and RHS are flipped. The solution is discovered after isolating the variable for which the value must be determined. Depending on the kind of equation we are dealing with, we can solve it. There are various types of equations, including linear, quadratic, rational, and radical ones.
The given equation is
6x = t
Divide both sides by 6
6x/ 6 = t/ 6
x = t/ 6
So, the subject of the equation is x - t/6.
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Show that f(x)= 2x-3/2 & g(x)= 2x+3/2 are inverse fractions. Must show fog=x and gof=x. I really don’t understand this and it’s frustrating me. I must show work
Answers
Hence its proven that f and g are inverse of one another
What is a Function?
A function in mathematics from a set X to a set Y allocates exactly one element of Y to each element of X. The sets X and Y are collectively referred to as the function's domain and codomain, respectively.
Given,
f(x)= 2x-3/2
g(x)= 2x+3/2
Step 1: show that fog=x
f(g(x))
[2((2x + 3) / 2) - 3]/2
[(2x + 3) - 3] / 2
(2x + 3 - 3) / 2
2x / 2
x , which is equals to x
Now, for Step 2: gof = x
g(f(x))
g((2x - 3)/2)
[2((2x - 3)/2) + 3]/2
[(2x - 3) + 3]/2
(2x - 3 + 3)/2
2x/2
x , which is equals to x
Since, both fog(x) and gof(x) equals to x
Hence, its proven that f and g are inverse of one another
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A group of friends wants to go to the amusement park. They have $284.25 to spend on parking and admission. Parking is $9.25, and tickets cost $27.50 per person, including tax. How many people can go to the amusement park?
Answers
If they have $284.25 to spend on parking and admission. Parking is $9.25, and tickets cost $27.50 per person, including tax. The number of people that can go to the amusement park is: 10 people.
How to find the number of people?Let a represent the number of people who can go to the amusement park
Formula an equation
9.25 + 27.50a = 284.25
Combine like terms
27.50a = 284.25 - 9.25
27.50a = 275
Divide both side by 27.50a
a= 275/ 27.50
a = 10 people
Therefore 10 people can go to the amusement park.
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What is the measure of angle ABC
Answers
Answer:
D
Step-by-step explanation:
[tex]m\angle EBD=33^{\circ} \implies m\angle EBC=33^{\circ} \\ \\ \therefore m\angle DBC=m\angle EBD+m\angle EBC=66^{\circ} \\ \\ m\angle DBC=66^{\circ} \implies m\angle ABD=66^{\circ} \\ \\ \therefore m\angle ABC=m\angle ABD+m\angle DBC=132^{\circ}[/tex]
Evaluate 5 + x − 6 ∙ 8 for x = 8.
Answers
5 + 8 - 6 • 8
5 + 8 - 48
13 - 48
-35
*use pemdas!!*
Identify the rate of change in each equation.
Answers
Answer:
7.
[tex] \frac{1}{4} [/tex]
8.
[tex]2[/tex]
9.
[tex] - \frac {5}{4} [/tex]
10.
[tex]3[/tex]
Step-by-step explanation:
rate of change is slop