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3 years ago

There are 5280 feet in a mile it's Aaron 13200 feet and how many miles did you run

2 answers:

5 0

If there are 5280 feet in a mile, then to find how many miles are in 13200 feet, divide 13200 by 5280. This yields 2.5 miles. So there are 2.5 miles in 13200 feet.

Scorpion4ik [409]3 years ago

3 0

Ratio and proportion 5280 ft/ 1 mile= 13200 ft/ x miles cross multiply 5280x= 13200 divide by 5280 x= 2.5 miles hope this helps

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3 years ago

A car maintains a speed of 23 mi/h for 5 seconds. It then accelerates to a speed of 46 mi/h in 5 seconds. It maintains that spee

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3 years ago

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The length of each side of an equilateral triangle is increased by 20%, resulting in triangle ABC. If the length of each side of

kompoz [17]

Answer: Area of ΔABC is 2.25x the area of ΔDEF.

Step-by-step explanation: Because equilateral triangle has 3 equal sides, area is calculated as

$A=\frac{\sqrt{3} }{4} a^{2}$

with a as side of the triangle.

Triangle ABC is 20% bigger than the original, which means its side (a₁) measures, compared to the original:

a₁ = 1.2a

Then, its area is

$A_{1}=\frac{\sqrt{3} }{4}(1.2a)^{2}$

$A_{1}=\frac{\sqrt{3} }{4}1.44a^{2}$

Triangle DEF is 20% smaller than the original, which means its side is:

a₂ = 0.8a

So, area is

$A_{2}=\frac{\sqrt{3} }{4} (0.8a)^{2}$

$A_{2}=\frac{\sqrt{3} }{4} 0.64a^{2}$

Now, comparing areas:

$\frac{A_{1}}{A_{2}}= (\frac{\sqrt{3}.1.44a^{2} }{4})(\frac{4}{\sqrt{3}.0.64a^{2} } )$

$\frac{A_{1}}{A_{2}} =$ 2.25

The area of ΔABC is 2.25x greater than the area of ΔDEF.

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3 years ago

A Discount clothing store is selling a $72 sport jacket for $24 off the regular price. What is the discount rate?

mr Goodwill [35]

72-24=48

x% of 72=48

(/72)x/100 *72=48 (/72)

(*100 ) x/100=2/3 (*100)

x= 66.67%

100% -66.67%=33.33% discount

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4 years ago

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sdas [7]

Answer:

Step-by-step explanation:

A line with slope of 4/5 and y-intercept 1 has the equation y = 4/5x + 1. Since our options are in standard form, let's convert out equation. We get:

5y = 4x + 5

5y - 4x = 5.

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3 years ago

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