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Rainbow [258]
4 years ago
6

The triangles are similar.

Mathematics
1 answer:
Natalija [7]4 years ago
4 0
X=23

I say this because you can see that the scale factor is 3 due to just visually scaling both the long and short leg from the original triangle to the dilated triangle. Dividing 39 by 3 is 13, and doing it in reverse. Adding 10 would equal 23, the initial value. So that'd be the missing value.
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To decrease an amount by 7%, what single multiplier would you use?
Fofino [41]

To decrease something at 100% by 7% is:

100% - 7% = 93%

You multiply the original value by 0.93 to decrease it from it's original value by 7%

7 0
3 years ago
Solve the system of linear equations using<br> substitution. Y=x-3 <br> Y=8x-31
Georgia [21]

Answer:

x=4 y=1 or (4,1)

Step-by-step explanation:

3 0
3 years ago
If point C is not located between points A and B, then AC + CB= AB
Naddik [55]

The location  AC + CB  is  mathematically given as

AC + CB= AB

This is further explained below.

<h3>What is the location  AC + CB of  AB ?</h3>

Because point C can be seen to be in between A and point B, the equation AC + CB must equal AB.

It is important to keep in mind that point C may be located in any part of the space between A and B; yet, the solution will still be considered to be AB in this scenario.

Again, AC + CB = AB.

In conclusion, By way of deduction: if point C is located between points A and B, then it follows that point C is situated on line AB conversely, if point C is not situated on line AB, then it cannot be located between points A and B. As a result, you are able to deduce that AB is a line and that point C is situated on it in the middle of points A and B.

Read more about location  

brainly.com/question/11718756

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3 0
2 years ago
Anyone know how to expand 5p(p-3)
Katyanochek1 [597]
I believe what your asking is just multiplying it together so 5p(p-3) would be 5p2-15p. the p2 is p squared or a little 2 on top of the p. Hope I helped! 
6 0
3 years ago
How can you decide which variable to solve for first when you are solving a linear system by substitution
Helen [10]
There are many factors, it is all a matter of preference, normally, you want to try to solve for the easiest one to get to
example

if y ou had

(x-3)^2+y=9
you would solve for y becuase it is less tricky

it is all a matter of preference
7 0
3 years ago
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