2 years ago

75 miles in 3 hours ; 140 miles in 4 hours

Mathematics

1 answer:

weeeeeb [17]2 years ago

5 0

Answer:

Step-by-step explanation:

75:3=25:1

140:4=45:1

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What number decreased by 3.5 equals 12.7?

mihalych1998 [28]

Answer:

16.2

Step-by-step explanation:

you add 3.5 to 12.7

3.5 + 12.7 = 16.2

hope this helps

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3 years ago

the radius of a cylindrical construction pipe is 3 ft . If the pipe is 25ft long , what is it’s volume ?

ki77a [65]

Given:

radius of a cylindrical construction pipe is 3 ft

lenghtis 25ft long

Required:

what is it’s volume

Explanation:

volume of cylinder:

$\begin{gathered} V=\pi r^2h \\ \\ here\text{ h is the length of the pipe} \\ \\ V=3.14\times(3)^2\times25 \\ \\ V=3.14\times9\times25 \\ \\ V=707\text{ ft}^3 \end{gathered}$

Required answer:

$V=707\text{ ft}^3$

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1 year ago

Sven can type 30 words per minute.How many words would he type in 20 minutes?

saveliy_v [14]

30 x 20=600
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3 years ago

A museum has a wax sculpture of a historical village. The scale is 1.5:8. If the height of a hut in the sculpture is 5 feet, how

Oksi-84 [34.3K]

Let us say that x is the real height of the original hut, therefore we can establish the equation:

5 : x = 1.5 : 8

5 / x = 1.5 / 8

Solving for x:

x = 5 * 8 / 1.5

x = 40 / 1.5

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3 years ago

Which inequality is represented by this graph?

erastovalidia [21]

Answer:the last one I’m not really sure

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3 years ago