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Sati [7]
3 years ago
9

The formula s = sqrt 30fd relates the speed S in miles per hour a car was traveling to the length d in feet that the car skidded

when brakes were applied. The variable f is the coefficient of friction, which varies depending on the road surface and the condition of the tires. Which set of numbers contains the value of S for f = 0.5 and d = 63?
* sqrt = Square Root

Select one:

a.
whole numbers

b.
irrational numbers

c.
integers

d.
rational numbers
Mathematics
1 answer:
pishuonlain [190]3 years ago
3 0

Answer:

b.

Step-by-step explanation:

30×0.5×63 = 945

this is not a square number. therefore, the sqrt(945) is a number of infinite digit positions after the decimal point without repeating pattern.

so, it is a prime example of an irrational number.

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sladkih [1.3K]

Answer:

She will have $73.5 in 1 year

Step-by-step explanation:

She has $70 and the interest rate is 5% so we need to add 5% to the initial value

x = $70 + $70 * 5%

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x = $70 + $70 * 5/100

x = $70 + $3.5

x = $73.5

She will have $73.5 in 1 year

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Firstly you need to do 1275.55 / 100 = 12.76.
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3 years ago
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Determine the lateral and total surface area
Kobotan [32]

The areas of the square pyramid are the amount of space on it

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<h3>How to determine the lateral surface area?</h3>

The given parameters are:

Base (b) = 15 cm

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The lateral surface area is calculated using:

L = 1.5bl

So, we have:

L = 1.5 * 15 * 13

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<h3>How to determine the total surface area?</h3>

This is calculated using:

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Read more about areas at:

brainly.com/question/24487155

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Step-by-step explanation:

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