I NEED HELP AGAIN PLS

Mathematics

1 answer:

ikadub [295]3 years ago

8 0

Answer:

70% of 2500 is 1750 so blue is the correct color.

Have a great day please mark brainliest.

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The areas of two similar triangles are 98in^2 and 162in^2. What is the ratio of their perimeters when comparing smaller and larg

Alexxx [7]

$\bf \qquad \qquad \textit{ratio relations} \\\\ \begin{array}{ccccllll} &\stackrel{ratio~of~the}{Sides}&\stackrel{ratio~of~the}{Areas}&\stackrel{ratio~of~the}{Volumes}\\ &-----&-----&-----\\ \cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3} \end{array}\\\\ \rule{31em}{0.25pt}\\\\ \cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s}{s}=\cfrac{\sqrt{s^2}}{\sqrt{s^2}}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}$

$\bf \rule{31em}{0.25pt}\\\\ \cfrac{smaller}{larger}\qquad \cfrac{s}{s}=\cfrac{\sqrt{98}}{\sqrt{162}}~~ \begin{cases} 98=2\cdot 7\cdot 7\\ \qquad 2\cdot 7^2\\ 162=2\cdot 9\cdot 9\\ \qquad 2\cdot 9^2 \end{cases}\implies \cfrac{s}{s}=\cfrac{\sqrt{2\cdot 7^2}}{\sqrt{2\cdot 9^2}} \\[2em] \cfrac{s}{s}=\cfrac{7\sqrt{2}}{9\sqrt{2}}\implies \cfrac{s}{s}=\cfrac{7}{9}$

bearing in mind that the ratio of the sides, is the same as the ratio of the perimeters.

6 0

3 years ago

What is the ratio of 3:6

prohojiy [21]

Answer:

1:2

Step-by-step explanation:

You didn't really specify, but I'm going to assume you meant as simplified as possible. If you write it as a fraction, it will be ½ or as a decimal it will be 0.5.

5 0

3 years ago

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Which is the correct product of n x 7 if n = 0.25

victus00 [196]

Answer:

Step-by-step explanation:

0.25 X 8 is 2.00

2.00 - 0.25 is 1.75

4 0

3 years ago

Please help we just started learning this before hurricane Sally hit and knocked the power out last week.