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4 years ago

Plese help fasthjfjfjfjfjfjfjfjf

Mathematics

1 answer:

VikaD [51]4 years ago

5 0

This is correct, except I cannot read your handwriting well.

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A scale model of a building is 2 inches tall. If the building is 24 feet tall, find the scale of the model. a. 1in: 20ft c. 2 in

xenn [34]

Answer:

Option d. 1 in: 12 ft.

Step-by-step explanation:

A scale model of building is 2 inches tall. If the building is 24 feet tall then we have to find the scale of the model.

Since scale of the model is represented by the ratio of size of scale model and size of original building

$Scale factor=\frac{\text{Height of scale}}{\text{Height of building}}$

= $\frac{2}{24}$

= $\frac{1}{12}$

Therefore, Scale of the model is 1 inch : 12 ft.

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4 years ago

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the number of hours,h, it takes to wash c numbers of cars at a school fundraiser is inversely proportional to the number of stud

Alex787 [66]

$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\stackrel{\textit{\underline{h}ours to wash a car, is inversely proportional to \underline{s}tudents working on it}}{h=\cfrac{k}{s}}$

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3 years ago

A pair of parallel lines is cut by a transversal, as shown below.

Alisiya [41]

A (x=y)

By vertical angles, the angle opposite y is equal to y, and x = y because it would transform isometrically onto x (as can be seen by the parallel lines because the transversal can be treated as parallel to itself)

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3 years ago

3x squared - 2y + 5 when x equals two and y equals 4

loris [4]

Answer:

Step-by-step explanation:

x squared is 2 squared which is 4 then you multiply 4 with 3 which is 12 then since y is 4, 2 times 4 is 8 then 12-8=4 and 4+5=9

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4 years ago

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Please somebody help me :)

Butoxors [25]

Answer:

Step-by-step explanation:

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3 years ago