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2 years ago

The ratio is 2 to 8. please help im begging

Mathematics

1 answer:

Sunny_sXe [5.5K]2 years ago

4 0

Answer:

top:

2, 4, 6, 8, 10

bottom:

8, 16, 24, 32, 40

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the gradient is -5/1 or -5 because it is a negative slope meaning you would go from top to bottom.

Step-by-step explanation:

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A rectangle has an area of 20 ft.² in a similar rectangle has an area of 180 ft.² what is the ratio of areas of the similar

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$\bf \qquad \qquad \textit{ratio relations}
\\\\
\begin{array}{cccllll}
&Sides&Area&Volume\\
&-----&-----&-----\\
\cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3}
\end{array}\\\\
-----------------------------\\\\$

$\bf \cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s^2}{s^2}=\cfrac{20}{180}\implies \left( \cfrac{s}{s} \right)^2=\cfrac{20}{180}\implies \cfrac{s}{s}=\sqrt{\cfrac{20}{180}}
\\\\\\
\cfrac{s}{s}=\cfrac{\sqrt{20}}{\sqrt{180}}\implies \cfrac{s}{s}=\cfrac{2\sqrt{5}}{6\sqrt{5}}\implies \cfrac{s}{s}=\cfrac{2}{6}\implies \cfrac{s}{s}=\cfrac{1}{3}$

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3 years ago

Tesfa is x years old his father is 4 times as old as tesfa his mother is 7 years younger than his father If their ages add up to

Sergio039 [100]

Step-by-step explanation:

his father's age= 4x

his mother's age= 4x- 7

his age= x

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x+ 4x+ 4x= 101+ 7

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What will be the result of substituting 2 for x in both expressions below?

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1/2 of x +4
=1/2(2)=1.
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2+6=8
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8-1=7
7-2=5

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2 years ago

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