2 years ago

A car travels at an average speed of 68 miles per hour. How long does it take to travel 357 miles?

Mathematics

1 answer:

Temka [501]2 years ago

5 0

It would be 5 hours and 17 minutes

or 317 minutes

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What is the measure of ∠x?

goldenfox [79]

Answer:

117+x=180°(sum of straight line)

Step-by-step explanation:

x=180-117

x=63

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2 years ago

Read 2 more answers

What is d if <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3d-2%7D%7B8%7D%20%3D%20-d%2B16%5Cfrac%7B1%7D%7B4%7D" id="TexFormula1" t

Harlamova29_29 [7]

Answer: d=12

Step-by-step explanation:

$\displaystyle\\\frac{3d-2}{8} =-d+16\frac{1}{4} \\\\\frac{3d-2}{8} =-d+\frac{16*4+1}{4} \\\\\frac{3d-2}{8} =-d+\frac{64+1}{4} \\\\\frac{3d-2}{8} =-d+\frac{65}{4}$

Multiply both parts of the equation by 8:

$\displaystyle\\3d-2=(-d+\frac{65}{4} )(8)\\\\3d-2=-8d+65*2\\\\3d-2=-8d+130\\\\3d-2+2=-8d+130+2\\\\3d=-8d+132\\\\3d+8d=-8d+132+8d\\\\11d=132\\$

Divide both parts of the equation by 11:

$d=12$

8 0

1 year ago

Evaluate the expression 81-8^2

Tpy6a [65]

Answer:

Step-by-step explanation:

Do the exponent first, then subratct it to 81

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3 years ago

The length of a garden can be expressed as 2X +6 feet and the width is X +7 feet what is the perimeter of the garden what is the

Virty [35]

Answer:

6x + 26 feet

Step-by-step explanation:

Assuming the garden is a rectangular shape, we have four sides, where two sides are 2x + 6 feet and two sides are x + 7 feet. To find the perimeter, we add up the lengths of all four sides.

2x + 6 + 2x + 6 + x + 7 + x + 7

2(2x + 6) + 2(x + 7)

6x + 26

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2 years ago

each interior angle of a regular polygon measures (10x+10) and each exterior angle measures(3x-12) how many sides does the polyg

katrin2010 [14]

Interior angle+exterior angle=180
10x +10 +3x -12 =180
13x-2=180
13X+182
X=14 sides

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3 years ago