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3 years ago

Susan can mow 1/4 of a yard in 1/5 of an hour.At this rate,how many yards can she mow in one hour? Express answer as a decimal.

1 answer:

3 0

Find the unit rate:

1/4 yd 1(5)
---------- = -------- = 5/4 yards, or 1 1/4 yards, in one hour. This is 1.25 yards.
1/5 hr 4(1)

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Solve the equation for w<br> 7w + 18 = 10w + 24

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Let x be the ages of students in a class. Given the frequency distribution f(x) above, determine the following probabilities:.

lora16 [44]

Probabilities are used to determine the chances of events

The value of the probability P(x < 24) is 0.7895

<h3>How to calculate the probability P(x < 24)?</h3>

This is calculated as:

$P(x < 24) = \frac{n(x < 24)}{Total}$

So, we have:

$P(x < 24) = \frac{22 + 3 + 5}{22 + 3 + 5 + 4 + 4}$

Evaluate the sums

$P(x < 24) = \frac{30}{38}$

Evaluate the quotient

$P(x < 24) = 0.7895$

Hence, the value of the probability P(x < 24) is 0.7895

Read more about probabilities at:

brainly.com/question/9385303

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3 years ago

F(x) = 3(х + 2)<br> f(-3) =<br> о аз<br> Oь -7<br> Ос 7<br> W

choli [55]

Answer:

The value of f(-3) = -3

Step-by-step explanation:

It is given that f(x) = 3(x+2), in order to find f(-3), we have to substitute x = -3 into the function, f(x) :

f(x) = 3(x+2)

f(-3) = 3(-3+2)

= 3(-1)

= -3

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3 years ago