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Helen [10]
3 years ago
14

What does a rotation preserve

Mathematics
1 answer:
Natali5045456 [20]3 years ago
5 0
You mean like you need to turn it like _ degrees? that's 1 thing..
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The mean of five numbers is 25, what is their sum?
zubka84 [21]

125 is the answer.

A mean of vie numbers is 25. If it is 25, the numbers must be 25. So, since there is 5 of 25, multiply 25 by 5. Then, the answer would be 125.

There is also another way to do it. Set-up your equation.

x/5=25.

Now flip it to make the equation a multiplication problem.

25×5=x

Once you solve the equation, you should get 125 is the answer.

3 0
3 years ago
-10/5+2(7-9)^2
Oksana_A [137]
Answer: -4

Reasoning: so first you need to subtract the 7 from the 9 to get -2. Then you square it to get 4 because a negative 2 times -2 is 4. Then you multiply the 4 by the 2 to get 8. You can simplify the -10/5 to -1/2 and multiply that by the 8 to get -8/2 which simplified out to -4.


I hope that helps.
8 0
2 years ago
Read 2 more answers
Write in slope-intercept form an equation of the line that passes through the points (−1,12) and (1,2).
zzz [600]

Answer:

y=-5x+7

Step-by-step explanation:

step 1

Find the slope

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

the points (−1,12) and (1,2)

substitute

m=\frac{2-12}{1+1}

m=\frac{-10}{2}

m=-5

step 2

we know that

The equation of the line in slope intercept form is equl to

y=mx+b

where

m is the slope

b is the y-intercept

we have

m=-5

point\ (1,2)

substitute in the linear equation and solve for b

2=-5(1)+b

b=2+5=7

therefore

y=-5x+7

4 0
2 years ago
What Is the least common multiple of two numbers when one number is a multiple of the other give an example
Tems11 [23]
Like 9 and 9? 9 is a multiple of 3 and 9 time 9 is 81
6 0
2 years ago
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HELPPP PLEASE HELP ASAPPP
34kurt

Answer:

okay just call my personal phone number it is (911) i hope that it make u feel better

7 0
2 years ago
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