Use properties to rewrite the given equation. Which equations have the same solution as 2. 3p – 10. 1 = 6. 5p – 4 – 0. 01p? select two options. 2. 3p – 10. 1 = 6. 4p – 4 2. 3p – 10. 1 = 6. 49p – 4 230p – 1010 = 650p – 400 – p 23p – 101 = 65p – 40 – p 2. 3p – 14. 1 = 6. 4p – 4.

Answer: No they are not equivalent.

Step-by-step explanation: 8(9x-2) = 72x-2

= 8(9x-2) = 72x - 16

= 72x -16 is not equivalent to 72x -2.

The line of equation that passes through (5,2) and (6,4) is 4x+y=22.

An equation is a combination of different variables, in which two mathematical expressions are equal to each other.

The given points are (5,2) and (6,4)

The equation that passes from two points (x₁,y₁) and (x₂,y₂) is,

y-y₁=m.(x-x₁)

Where m=(y₂-y₁)/(x₂-x₁)

Then linear equation,

y-y₁=(y₂-y₁)/(x₂-x₁)×(x-x₁)

Substitute the values here,

y-2=(6-2)/(4-5) ×(x-5)

y-2=4/(-1)(x-5)

y-2=20-4x

4x+y=22

So the required linear Equation is 4x+y=22.

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A system of equations that could be used to determine the number of small boxes purchased and the number of large boxes purchased include the following:

s + l = 15

12s + 18l = 240.

In order to write a system of linear equations could be used to model and determine the number of small boxes purchased and the number of large boxes purchased, we would assign variables to the number of small boxes that were purchased, the number of large boxes that were purchased, and the total number of boxes respectively as follows:

Translating the word problem into an algebraic equation, we have the following;

Since each small box has 12 granola bars and each large box has 18 granola bars, we have:

12s + 18l = 240.

For a total of 15 boxes altogether, we have:

s + l = 15

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The correct coefficient is 147

In scientific notation, a number is represented by an exponent, or the power of 10, multiplied by the coefficient, which appears before the times sign. For instance, 4.3 is the coefficient and 6 is the exponent in the equation 4.3 x 10^6, which is equivalent to 4,300,000 (four million three hundred thousand).

From the question, we have

147,000 = 147 *10^3

The correct coefficient is 147

Multiplication:

Mathematicians multiply two or more numbers to determine the sum of the parts. It is a fundamental mathematical procedure that is commonly used in real-world situations. Multiplication is used when groups of like sizes need to be combined. Multiplication is a mathematical operation that illustrates the fundamental idea of adding the same number again. The product of two or more numbers is what occurs from multiplying them, while the components are the quantities that are multiplied. Multiplying the numbers makes it simpler to repeatedly add the same quantity.

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Answer:

15/16

Step-by-step explanation:

75/80

15/16

Option D, the function is graphed. And the condition is y = {x² +4,x<2

                                                                                            -x+4, x >2

In a mathematical function from a set X to a set Y, exactly one element of Y is assigned to each element of X. The function's codomain and domain are respectively referred to as the sets X and Y as a whole.

Functions were initially thought of as the relationship between varying quantities and other variables. The impact of time on a planet's position serves as an example of this. The concept was historically developed with the development of infinitesimal calculus at the end of the 17th century, and up until the 19th century, the functions taken into consideration were differentiable.

Let us check option A first

y={x² +4, x≤ 2

    -x+4, x<2

For, x² +4, x≤ 2

x   2     1     0     -1      -2

y   3     5    4      5       8

Here, the condition is satisfied

Now, we have to check the condition

-x+4, x<2

The condition is not satisfied.

Similarly, we have to check all the options.

And finally by checking all the conditions,

Option D is correct and the conditions are

y = {x² +4,x<2

      -x+4, x >2

Therefore, the option D function is graphed.

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The cost for a passenger going to a distance that is 3/2 times more distant than the average is; 15 pesos

We are given that;

Average distance covered per passenger = x² + 5 Km.

Cost per average distance = 10 pesos

Cost per km = 10/(x² + 5) pesos per km

We are told that a passenger now goes a distance that is 3/2 times more distant than the average. Thus, this distance is;

(3/2)(x² + 5) Km

The cost for this given distance will be;

10/(x² + 5) * (3/2)(x² + 5)

= 10 * (3/2)

= 15 pesos

Thus, we conclude that the travelling cost in pesos is 15 pesos

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Inequality can be used to represent the situation is s + l <= 2 and 20s + 15l >= 185.

Given:

Edith tutors after school for which she gets paid at a rate of $20 an hour. she has also accepted a job as a library assistant that pays $15 an hour. she will work both jobs, but she is able to work no more than a total of ll hours a week, due to school commitments.

Edith wants to earn at least $185 a week working a combination of both jobs.

Let s and l be the hours of school and library.

s + l <= 2

20s + 15l >= 185.

Therefore Inequality can be used to represent the situation is s + l <= 2 and 20s + 15l >= 185.

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She received a discount of 75 percent from the sale of the scarf.

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

Given that the original price of the scarf is $16, the money saved during the sale is $12.

Therefore:

The Amount the scarf was bought (Discounted price) = Original Price - Money saved

Discounted price =$16 - $12 = $4

Now the discount is given as;

Discount = (Amount saved / Original price) × 100%

Discount = ($12/ $16) × 100% = 75%

Therefore the discount of 75% was received.

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The possible days Wendy goes to the library are Monday and Thursday.

The number of books that Wendy reads is 12 books.

From the information, when she goes to the library she always reads 3 books and she also goes to the bookstore to read books twice a week.

In this case, the total books read in two weeks will be:

= (2 × 3) × Number of weeks

= (2 × 3) × 2

= 6 × 2

= 12

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From the given condition of number of tote bags ordered and there costs represents linear equation then cost of ordering 110 tote bags is equal to $915.

As given in the question,

Let us consider y be the cost of ordering a bag.

And x represents the number of bags to be ordered as per the cost.

It is given that Cost of ordering bags and number of tote bags represents the linear equation,

Standard form of Equation is :

y = mx + c

For order of x = 75 tote bags cost is y = $635.

635 = 75m + c   __(1)

For order of x = 125 tote bags cost is y = $1035.

1035 = 125m + c ____(2)

Subtract (1) from (2) we get,

1035 = 125m + c

635 = 75m  + c

400 = 50m

⇒m = 8

Substitute value of m in (1) we get,

635 = 75(8) + c

⇒c = 35

Equation is:

y = 8x + 35

When number of ordering bags x = 110 then,

y = 8(110) + 35

⇒ y = $915

Therefore, from the given condition of number of tote bags ordered and there costs represents linear equation then cost of ordering 110 tote bags is equal to $915.

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Answer:

The numbers are:

4 and 11

Step-by-step explanation:

a + b = 15      Eq. 1

3a - 1 = b        Eq. 2

Replacing Eq. 2 in Eq, 1

a + (3a - 1) = 15

a + 3a = 15 + 1

4a = 16

a = 16/4

a = 4

From Eq. 1:

a + b = 15

4 + b = 15

b = 15 - 4

b = 11

Check:

From Eq. 2:

3a - 1 = b

3*4 - 1 = 11

12 - 1 = 11

Answer: The slope is undefined because the line is vertical

Step-by-step explanation:

Slope = (y2 - y1) / (x2 - x1)

Slope = (-3 - 4) / (2 - 2) = -7/0 =undefined

This is a vertical line.  

35x + 65y = 815 and x + 7 = y are the system of equations that can be used to find the number of boxes.

What is an algebra?

One of the many different mathematical disciplines is algebra. Algebra is, broadly stated, the study of mathematical symbols and the guidelines for applying those symbols to formulas.

Given,

The weight of each small box = 35 pounds
The weight of each large box = 65pounds
The total weight of the boxes = 815pounds
There were7 times as many small boxes shipped as large boxes
Let 'x' be the number of small boxes and 'y' be the number of large boxes
The weight of 'x' small boxes = 35x pounds
The weight of 'y' large boxes = 65y pounds
The total weight of the two types of  boxes together = 35x+65y

Since the total weight of the boxes is 815 pounds, we have
35x+65y = 815---------------------(1)

Since 7 more small boxes =   large boxes, hence we have,
x + 7 = y ------------------------(2)
Solving both the equations we get,

x = 3.95 or 4
and, y = 10.95 or 11

The number of large boxes shipped = 11

The number of small boxes shipped  = 4

∴ The number of small boxes shipped = 4 and the number of large boxes shipped = 11.

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Answer:

Step-by-step explanation:

138

The equation that describes the proportional relationship between the distance she runs in miles, and her running speed, in miles per hour, when she runs, is:

d = 0.5v.

A proportional relationship is a special case of a linear function, with intercept zero, in which the output variable is given by the multiplication of the input variable and the constant of proportionality, given as follows:

y = kx

The distance as a function of the velocity and of the time in hours, is given as follows:

d = vt.

30 minutes is half an hour, hence the constant of the proportional relationship is given as follows:

v = 0.5.

Then the equation is:

d = 0.5v.

In which:

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The value of  tan(45°+Θ) after using trigonometric ratio is  

1+tanΘ/ 1-tanΘ.

What is trigonometric ratios?

   There are six trigonometric ratios used in trigonometry: sine, cosine, tangent, secant, and cotangent. The abbreviations for these ratios are sin, cos, tan, sec, cosec(or csc), and cot. Look at the below-displayed right-angled triangle. Any two of the three sides of a right-angled triangle can be compared in terms of their relative angles using trigonometric ratios.

Here the given,

=> tan(45°+Θ)

Now using formula ,

=> tan(a+b) = [tex]\frac{tan a+tan b}{1-tan a*tanb}[/tex]

=> tan(45°+Θ)= (tan 45°+tanΘ)/(1-tan45°*tanΘ)

We know that tan 45°=1 then ,

=> tan (45°+Θ)= 1+tanΘ/ 1-tanΘ

Hence the formula for  tan (45°+Θ) is  1+tanΘ/ 1-tanΘ.

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Answer:

30

Step-by-step explanation:

in index form the nth if a root number is X and that is X to the power so the seventh root of 30 is 30 to the power of 1/7

The estimated total audited value of the population using the difference method  is $201,000.

The difference method works as follows :

A difference method is a mathematical expression of the form

f (x + b) − f (x + a). If a finite difference is divided by b − a, one gets a difference quotient.

Given that,

A population of 1,000 accounts .  

The sample items have a mean book of $200 and

A mean audited value of $203  

Therefore, the difference of $203 - $200 = $3  

Now, Apply the difference to the population of accounts and we get,

(1000 account × $3) = $3000

As Given in the question,

The book value in the population is $198,000 and we add the difference previously calculated of $3,000  

So, we have = $198,000 + $3,000

                     = $201,000  

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Cubic millimeter volume unit is smaller.

You would multiply a measurement in cubic centimeters by 1,000 to translate it to cubic millimeters. This makes sense because you would anticipate needing a lot more cubic millimeters to fill the same space because a cubic centimeter is greater than a cubic millimeter.

Volume:

The total number of cubic units that a cube occupies in three dimensions is its volume. Six faces, twelve edges, and eight vertices make up the three-dimensional shape of a cube. Therefore, the area encircled by a cube's six faces is considered to equal its volume. It differs from 2D shapes in that it adds a third dimension, known as height or thickness, in addition to length and breadth. Since the product of a cube's length, width, and height determines its volume. Cubic units are used to measure it. The volume of a cube increases as the value of its dimensions increases.

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The coordinates of A is (0,2)

How can a image be reflected?

Behind a mirror's glass, people can see a reflection of themselves. The shiny surface creates that image when light rays strike it and reflect or bounce back, creating a "mirror image." Contrary to popular belief, the reflection is not mirrored from left to right as many people believe.

The coordinates of the point A is (-3,-2)

The rule of reflection over x-axis is

(x,y)→(x,-y)

So the point A after reflecting over the x-axis becomes

A(-3,-2)→ A(-3,2)

To move the point P(x,y), a units right and b units up we use

P(x+a,y+b)

As per the question as it moves 3 units right

∴ A(-3.2)

⇒A(-3+3,2)

The point A now is A(0,2)

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The solutions are;

The critical value with a level of significance ‘of 0.10’ and degrees of freedom ‘of 3’ is 1.533.

The critical value with a level of significance ‘of 0.01’ and degrees of freedom ‘of 3’ is 3.747.

The critical value with a level of significance ‘of 0.05’ and degrees of freedom ‘of 3’ is 2.132.

Given;

Let's say you randomly choose n = 4 measurements from a normal distribution. If you were constructing the following confidence intervals, compare the standard normal z values with the appropriate t values.

(a) 80% confidence interval:

The z-value is obtained as shown below:

The level of significance is;

Locate the probability in the z table. Then, the corresponding row value is 1.2 and the column value is 08.

The critical value with a level of significance is 1.28.

α = 1 - 0.80 = 0.20

α/2 = 0.10

The t-value is obtained as shown below;

From the information, the sample size is 4.

df = n - 1 = 4 - 1

              = 3

The critical value with a level of significance ‘of 0.10’ and degrees of freedom ‘of 3’ is 1.533.

(b) 98% confidence interval:

The z-value is obtained as shown below:

The level of significance is;

Locate the probability in the z table. Then, the corresponding row value is 2.3 and the column value is 03.

The critical value with a level of significance is 2.33.

α = 1 - 0.98 = 0.02

α/2 = 0.01

The t-value is obtained as shown below;

From the information, the sample size is 4.

df = n - 1 = 4 - 1

              = 3

The critical value with level of significance ‘0.01’ and degrees of freedom ‘3’ is 3.747

(C) 90% confidence interval:

The z-value is obtained as shown below:

The level of significance is;

Locate the probability in the z table. Then, the corresponding row value is 1.6 and the column value is 04.

The critical value with a level of significance is 1.64.

α = 1 - 0.90 = 0.10

α/2 = 0.05

The t-value is obtained as shown below;

From the information, the sample size is 4.

df = n - 1 = 4 - 1

              = 3

The critical value with a level of significance ‘of 0.05’ and degrees of freedom ‘of 3’ is 2.132.

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Answer:

y=1,-4,-9,-14

Step-by-step explanation:

just replace x with the given value and find what it equals to

y=-5(0)+1

y=1

y=-5(1)+1

y=-5+1

y=-4

y=-5(2)+1

y=-10+1

y=-9

y=-5(3)+1

y=-15+1

y=-14

Hopes this helps please mark brainliest

Answer:

Please mark as brainiest

Step-by-step explanation:

when x = 0:

y= -5(0)+1

y=0+1

y=1

when x = 1:

y= -5(1)+1

y= -5+1

y= -4

when x = 2:

y= -5(2)+1

y= -10+1

y= -9

when x = 3:

y= -5(3)+1

y= -15+1

y= -14

The probability of more than 3 of the flips turn up tails is 0.0528 i.e 5.28%.

The binomial distribution in contains n independent Bernoulli trials. A Bernoulli trial is a trial that happens to succeed (probability p) or fail (probability 1- p = q )

Suppose we have a variable X for a Bernoulli distribution with parameters n and p, which is written as The probability of x successes in n trials is P(X = x)

= ⁿCₓ pˣ(q)ⁿ ⁻ ˣ

Toss a fair coin 12 times.

Next is the probability that 3 or more flips will be a number.

The probability of success is (P) = 1/2 = 0.5

total number of tosses (n) = 12

we have x = 3

P(X = 3) = ¹²C₃(0.5)³x (1 - 0.5)¹²⁻³

= 220 (0.5)³ (1 - 0.5)⁹

P(X = 3) = 0.0528

P(X = 3) = 5.28%

Hence, the probability that more than 3 of flips turn up tails is 0.0528.

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Answer:

this equal to -13.55 hopefully this helps

Answer:

the answer is 45/100=9/50 according to my solution

Correlation coefficient = 0.945 ( approx) and weight of a student increases as the height of the student increases.

What is correlation coefficient?

A statistical indicator of the strength of a linear link between two variables is the correlation coefficient. Its values may be between -1 and 1.

Main Body:

Here, value of x are  =58, 59, 60, 62, 63, 64, 66, 68, 70

Value of y are,  =   122, 128, 126, 133, 145, 136, 144, 150, 151.

∑x = 570, ∑y= 1236, ∑ = 36234, ∑ = 170694

∑xy=78617

Thus the correlation coefficient r =

formula is in the image,

Where n is the number of the term.

here n = 9

thus, correlation coefficient

r= [tex]\frac{9*78617- 570*1236}\sqrt{{9*36234- (570^{2} )}\sqrt{9*170794- (1235)^{2} }[/tex]

Thus, r= 0.94452987512

Which is closed to 0.95 and less than 1.

Therefore, weight of a student increases as the height of the student increases.

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