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3 years ago

CAN SOMEONE HLEP ME OUT WITH THIS PLEASE AND THANK YOU

Mathematics

1 answer:

Bingel [31]3 years ago

5 0

Answer:

12 5/24 thats the answer

Step-by-step explanation:

use this website for mixed number calculator: https://www.calculatorsoup.com/calculators/math/mixednumbers.php

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Find 39% of 65......

kap26 [50]

Answer:

25.35

Step-by-step explanation:

To find the percent, multiply 39 by 65 and then divide your answer by 100

3 0

3 years ago

Please please please help, I give brainliest to first answer(not random nonsense)A pool is in the shape of a right rectangular p

12345 [234]

Answer:

Your final equation would be 192 ÷32 to get 6 as your height

Step-by-step explanation:

v=l×w×h

So if the area is 32 you could do 4×8 to get your area of 32. Take 192 and divide it by 32 to get the height.

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3 years ago

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The stopping distance d of an automobile is directly proportional to the square of its speed s. On one road, a car requires 75 f

Anton [14]

Answer:

The car requires 192 feet to stop from a speed of 48 miles per hour on the same road

Step-by-step explanation:

Direct proportion means that two quantities increase or decrease in the same ratio

If y is directly proportional to x (y ∝ x) , then $\frac{y_{1}}{y_{2}}=\frac{x_{1}}{x_{2}}$ <em>OR</em> y = k x, where k is the constant of proportionality

∵ The stopping distance d of an automobile is directly

proportional to the square of its speed s

- That means d ∝ s²

∴ $\frac{d_{1}}{d_{2}}=\frac{(s_{1})^{2}}{(s_{2})^{2}}$

∵ A car requires 75 feet to stop from a speed of 30 miles per hour

∴ d = 75 feet

∴ s = 30 miles/hour

- Change the mile to feet

∵ 1 mile = 5280 feet

∴ 30 miles/hour = 30 × 5280 = 158400 feet/hour

∵ The car require to stop from a speed of 48 miles per hour

on the same road

- Change the mile to feet

∴ 48 miles/hour = 48 × 5280 = 253440 feet/hour

∵ $\frac{d_{1}}{d_{2}}=\frac{(s_{1})^{2}}{(s_{2})^{2}}$

- Substitute the values of $d_{1}$ by 75 feet, $s_{1}$ by 158400 feet/hour

and $s_{2}$ by 253440 feet/hour

∴ $\frac{75}{d_{2}}=\frac{(158400)^{2}}{(253440)^{2}}$

∴ $\frac{75}{d_{2}}=\frac{25}{64}$

- By using cross multiplication

∴ 25 × $d_{2}$ = 75 × 64

- Divide both sides by 25

∴ $d_{2}$ = 192 feet

The car requires 192 feet to stop from a speed of 48 miles per hour on the same road

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3 years ago

Find the slope of the line.<br> 9x+y=9

Serggg [28]

Answer: -9/1

Step-by-step explanation: you want to get x and y on opposite sides so you subtract 9x and that gives you y=-9x+9 because the nine on the right side doesn’t have a negative in front of it so you know it’s positive. Your slope is whatever comes before the x so since it’s -9 that means it’s -9/1

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3 years ago

To which subsets of the real numbers does 22 belong to?

Vedmedyk [2.9K]

Whole number and integer

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3 years ago

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