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In-s [12.5K]
3 years ago
7

35mi = _____ km complete and round to nearest whole number

Mathematics
1 answer:
fomenos3 years ago
7 0

Answer:

56.35 km ≈ 56 km

Step-by-step explanation:

Conversion factor: 1 mi ≈ 1.61 km

Therefore:

\frac{35 \textrm{ mi}}{1} \times \frac{1.61 \textrm{ km}}{1 \textrm{ mi}} = 56.35 \textrm{ km}

56.35 km ≈ 56 km

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If a radius of a circle is 12 feet, what is the area and perimeter of the circle?
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4 0
3 years ago
Read 2 more answers
Determine the lengths of the sides of the rectangle using the given area. Give answers both exactly and
Degger [83]

Answer:

Part a) Exactly values

The width of the rectangle is \frac{\sqrt{70}}{2}\ cm

The length of the rectangle is 2\sqrt{70}\ cm

Part b) Approximately values

The width of the rectangle is 4.2\ cm

The length of the rectangle is 16.7\ cm

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The area of rectangle is equal to

A=LW

we have

L=4x\ cm\\W=x\ cm

substitute the values in the formula

A=4x(x)

A=4x^2

A=70\ cm^2

so

70=4x^2

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\frac{70}{4}=x^2

square root both sides

x=(+/-)\frac{\sqrt{70}}{2}

The solution is the positive value

x=\frac{\sqrt{70}}{2}

therefore

<em>Exactly values</em>

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<em>Approximately values</em>

L=4\sqrt{70}}{2}=16.7\ cm\\\\W=\frac{\sqrt{70}}{2}=4.2\ cm

6 0
3 years ago
What is 8 1/2 x 3 = <br>please help​
ludmilkaskok [199]

Answer:

C

Step-by-step explanation:

Convert 8 1/2 to 17/2 and this multiplied by 3 is 51/2. Convert it back to mixed fraction to get 25 1/2.

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3 years ago
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