MATHEMATICS MIDDLE SCHOOL

Given triangle JKL : triangle XYZ, find the scale factor.

Answers

Answer 1

Answer:

Answer:

2/3

Step-by-step explanation:

i don't know how to explain it, but this is the answer :) good luck

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Ratio of the change in an amount to the original amount expressed as a percent.Dependent variable Percent of change Percent of decrease Percent of increase

Sarah only knows the diameter of a circle. What should she do to find the radius?

Answers

Divide the diameter by 2 to get the radius.

If Sarah only knows the diameter of a circle, to find the radius, divide the diameter by two. That will be your radius. Which radius is half of the diameter.

Please help answer number 1 and write down how you did it

Answers

The answer would be B. 450 + 225m

This is the answer because it starts off with $450 in total

Then Lani ADDS $225 every month, which is the m variable,

Because the $225 would be multiplied by m for every month she would add $255.

Answer:

the answer is B) y = 450 + 225m

Step-by-step explanation:

If she starts with $450 and every month she adds $225 then every month you add 225 to the 450.

ex)

after 5 months she will have $1575 in her account.

450 + 225m = y

450 + 225(5) = y

450 + 1125 = y

1575

Solve the equation -4(1.75+x)=18. Show your work.

Answers

The required solution is $x=(-25)/(7)$

Given equation is,

$-4(1.75+x)=18$

Simple linear equation:

Linear equations are equations of the first order. The linear equations are defined for lines in the coordinate system. When the equation has a homogeneous variable of degree 1.

Now, solving the given equation,

$-4(1.75+x)=18\n-7-4x=18\n-4x=18+7\n-4x=25\nx=(-25)/(7)$

Learn more about the simple linear equation:

brainly.com/question/11242211

-4×(1.75+x)=-4×1.75+-4×x=7-4x
-7-4x=18
18-(-7)=18+7=25
-4x=25
25÷(-4)=-6.25
x=-6.25

What is an interval In math

Answers

An interval is a set of numbers and the interval;s are the numbers in between (1-4) --- 2,3

........................................... he is right

What is the reciprocal of (1/7)?

Answers

Answer:

0.14285714285

Step-by-step explanation:

pls mark as brainliest!!!

Answer:
7

Explanation:
The reciprocal of a number is to switch the numerator and denominator. In (1/7), the numerator is 1 and the denominator is 7. A fraction is always numerator/denominator. So, when (1/7) is flipped, the fraction’s reciprocal is (7/1) which is simplified to 7.

Maths
Share £72 in the ratio 2:7

Answers

2+7= 9
72 / 9 = 8
8 * 2 = 16
8 * 7 = 56
16:56

Key:
* = times
/ = divide

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