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enyata [817]
3 years ago
13

Which 2 triangles are similar

Mathematics
1 answer:
NikAS [45]3 years ago
5 0

Answer:

the two similar are the two side ones

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In 2009, a school population was 1,700. By 2017 the population had grown to 2,500. Assume the population is changing linearly. W
qaws [65]

Answer:

100

Step-by-step explanation:

The population is changing linearly. This means that the population is increasing by a particular value n every year.

From 2009 to 2017, there are 8 increases and so, the population increases by 8n.

The population increased from 1700 to 2500. Therefore, the population increase is:

2500 - 1700 = 800

This implies that:

8n = 800

=> n = 800/8 = 100

The average population growth per year is 100.

4 0
3 years ago
How does the rate of change vary from point to point?
Tpy6a [65]

\bf \begin{array}{|cc|ll} \cline{1-2} x&y\\ \cline{1-2} 40&32\\ 28&16\\ 16&12\\ \cline{1-2} \end{array}~\hfill \stackrel{\textit{average rate of change}}{slope} \\\\[-0.35em] ~\dotfill\\\\ (\stackrel{x_1}{40}~,~\stackrel{y_1}{32})\qquad (\stackrel{x_2}{28}~,~\stackrel{y_2}{16}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{16-32}{28-40}\implies \cfrac{-16}{-12}\implies \boxed{\cfrac{4}{3}} \\\\[-0.35em] ~\dotfill

\bf (\stackrel{x_1}{28}~,~\stackrel{y_1}{16})\qquad (\stackrel{x_2}{16}~,~\stackrel{y_2}{12}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{12-16}{16-28}\implies \cfrac{-4}{-12}\implies \boxed{\cfrac{1}{3}}

8 0
3 years ago
(v) V2x+13 y=0<br>√3x - √8y=0<br>solve by substitution method ​
iren [92.7K]

Answer:

I guess the answer is;

x=13,y=14.5

Step-by-step explanation:

5 0
3 years ago
What is 67-u=182 i got 249 and ik it is wrong
cricket20 [7]

Answer:

Step-by-step explanation:

67 - u = 182

67 - 182 = u

-115 = u

7 0
3 years ago
Which of the following expressions are equivalent to -2(5 - 3)
Vlad [161]

Answer: -4

Step-by-step explanation:

No options were provided, but i'll simplify this expression.

*the number being NEXT to the parenthesis indicates that you have to multiply.

This expression involves the distributive property. This is when you have a number followed by an equation in parenthesis, like 2(3+1). To solve it, you multiply the number outside of the parenthesis by <u>each number</u> inside them.

-2(5-3)

-2(5) - -2(3)

-10 + 6

-4

So -2(5-3) simplifies to -4. I hope this could help!!

4 0
2 years ago
Read 2 more answers
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