3 years ago

Hayley walked 15 miles in 9 hours. What was her walking rate in miles per hour?

Mathematics

1 answer:

dmitriy555 [2]3 years ago

8 0

1.6666666 miles per hour hope this helps

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Alejandro uses the steps below to convert

dezoksy [38]

Answer:

The division was computed incorrectly.

Step-by-step explanation:

Given

Workings:

$\frac{5}{8}$ to percentage

$\frac{8}{5} = 1.6 = 160\%$

Required

Explain his error

The question says 5/8

Instead, Alejandro's working shows 8/5.

This working is done in an incorrect order and the correct solution is:

Let

$x = \frac{5}{8}$

Solve the fraction

$x = 0.625$

Multiply by 100%

$x = 0.625 * 100\%$

$x = 62.5\%$

Hence, option (a) is correct.

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Anestetic [448]

It is called a geometric sequence

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Samir estimates the value of Three-fifths times 16.1. Which estimate is reasonable?

n200080 [17]

Answer: 9

Step-by-step explanation:

$\frac{3}{5} \times 16.1 = 9.66$

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A room is made up of 3 doctors and 7 nurses. If one is selected at random, what is the probability that they choose a nurse?

VLD [36.1K]

Answer:

7/10

Step-by-step explanation:

There are 10 people in total and 7/10 of them are nurses

or 0.7 out of 1 probability

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A die with a 10% chance of rolling a 6 is rolled 10 times in a row. What is the probability that a 6 is rolled exactly 2 times?

dolphi86 [110]

P=10C2×.1^2×.9^8. You should know how to calculate from here.

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