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3 years ago

Money that you earn from working or gain from investments.

Mathematics

2 answers:

Salsk061 [2.6K]3 years ago

4 0

The answer is Income

horrorfan [7]3 years ago

3 0

Mm answer is b
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The rectangular classroom is 36ft in length and 32 feet in with. The scale drawing of the floor has a length of 9 inches. What i

Flauer [41]

Answer:

72 inch²

Step-by-step explanation:

Rectangular classroom

Length=36ft

Width=32ft

scale drawing length = 9 inches

Scale drawing width=x

Ratio of the length to the scale drawing length = 36/9

Ratio of the width to the scale drawing width=32/x

To find x

36/9=32/x

Cross product

36x=32*9

x=288/36

x=8

Area of a rectangle= length × width

Length=9 inches

Width=8 inches

Area of the rectangular classroom= 9 inches × 8 inches

=72 inch²

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3 years ago

How to write 8,880 in expanded form

xxMikexx [17]

(8000)+(800)+(80)+(0)

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3 years ago

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faltersainse [42]

Answer:

Step-by-step explanation:

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3 years ago

A bag of candy contains 3 blue, 5 red, 4 green, and 3 brown pieces.

RoseWind [281]

exp

5jijtrjdkcxjkxxkkkkkkkkkkkkkkkkxxcj mnvbvbabarrbe5005005050

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4 years ago

ACT math scores for a particular year are approximately normally distributed with a mean of 28 and a standard deviation of 2.4.

Murrr4er [49]

Answer:

$a. \ \ \ P(X>30.4)=0.1587\\\\b. \ \ \ P(X$

Step-by-step explanation:

a. Given that the mean is 28 and the standard deviation is 2.4.

Let X be the score of our random selection.

-The z-score is calculated using the formula:

$z=\frac{\bar X-\mu}{\sigma}$

-The probability that the score is greater than 30.4 is calculated as:

$P(X>30.4)=P(z$

$P(X>)=P(z>\frac{\bar X-\mu}{\sigma})\\\\z=\frac{30.4-28}{2.4}=1.0\\\\\therefore P(z>1)=1-0.84134\\\\=0.1587$

Hence, the probability of a random score being greater than 30.4 is 0.1587

b. The probability that a randomly selected score is less than 32.8:

Mean=28, sd=2.4 and X=32.8

$P(X$

Hence, the probability that a random selection has a score less than 32.8 is 0.9773

c. The probability that a randomly selected score is between 25.6 and 32.8:

mean=28, sd=2.4 X=25.6, 32.8

$P(25.6$

Hence, the probability of the score being between 25.6 and 32.8 is 0.8186

3 0

3 years ago