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2 years ago

13

Boris started to run on a treadmill after setting its timer for 92 minutes. The display says that he has finished 73% of his run

. How many minutes have gone by?
Round your answer to the nearest tenth.

1 answer:

Tanzania [10]2 years ago

7 0

Answer:

67 minutes

Step-by-step explanation:

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Ming spent half of her weekly allowance buying pizza. To earn more money her parents let her clean the oven for $6. What is her

Gelneren [198K]

Answer:

$16

Step-by-step explanation:

she has $14 now

her parents let her earn 6

so $14 - $6 = $8

so thats what was left over from her allowance. she spent half of her allowance to get to $8 so you double the money

$8 * 2 = $16

$16 is her weekly allowance

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3 years ago

The Greek mathematician Eratosthenes (ca. 276-195 BC) measured the circumference of the earthfrom the following observations. He

denpristay [2]

Answer:

Radius of the Earth is 3978.8 Miles

Circumference of the Earth is 25000 Miles

Step-by-step explanation:

The angle of the sun shone at an angle of 7.2° to the zenith

This means that the angle of the sector of the circle is 7.2° (θ)

S = Length of the sector of the circle = 500 miles

r = radius of earth

Converting 7.2° to radians

$\theta =7.2\frac{\pi}{180}$

$S=r\theta\\\Rightarrow r=\frac{S}{\theta}\\\Rightarrow r=\frac{500}{7.2\frac{\pi}{180}}\\\Rightarrow r=3978.8\ Miles$

∴ Radius of the Earth is 3978.8 Miles

$C=2\pi r\\\Rightarrow C=2\times \pi \frac{500}{7.2\frac{\pi}{180}}\\\Rightarrow C=25000\ Miles$

∴ Circumference of the Earth is 25000 Miles

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3 years ago

Lily is saving for her first car. She has $2,500 in a savings account that pays 4.25% annual interest.

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Which of the following functions shows the reciprocal parent function, F(x) = 1, shifted left?

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Answer:

G(x)=1/x+15

Step-by-step explanation:

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3 years ago

Which list is in descending order?

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The answer is B because if you convert all of them to decimals you get it in that order.

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