A

Mathematics

1 answer:

zhuklara [117]2 years ago

6 0

2/3in = 1ft

30ft = ?in

30/(2/3)=45

45in

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Answer:16,000
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2 years ago

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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

vovikov84 [41]

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

$\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}}
\\\\\\
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3 years ago

Andrea had 32 problems to do for mathematics homework over the weekend. She did 1/4 of the problems on Friday night, and on Satu

igor_vitrenko [27]

Answer:

Step-by-step explanation:

Problems at start = 32

-Problems done Friday = ¼ × 32 = <u> 8</u>

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2 years ago

(Please 75 points if answerd need this is 1 min)

chubhunter [2.5K]

Answer:

(5,-4)

Step-by-step explanation:

If reflected over the x-axis, the quadrilateral would be in the fourth quadrant. N' would be at (1,-1) and P' at (6,-1). To reflect, look at the y-coordinate of the point and turn it to negative. With point Q, it's at (5,4) so we just flip the 4 to -4 and that's our point! (5,-4)

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2 years ago

Round 0.485 correct to 1 significant figure

yanalaym [24]

Answer:

0.5

Step-by-step explanation:

the first significant figure is the non zero

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2 years ago