2 years ago

3

Mathematics

1 answer:

pogonyaev2 years ago

7 0

Answer:

i think the correct answer of these qusion is -1.5

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3 years ago

The length of a rectangle is four times its width. If the area of the rectangle is 100 in2, find its perimeter.

mamaluj [8]

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the perimeter is 50 inches squared

Step-by-step explanation:

if the length is 4 times that means the sides are 20 and 5

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2 years ago

#3) Eddie's salary is $1,100 per month. Find his annual salary.

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Evaluate this exponential expression 7 • (6+2)^2 - 3^2=

Lelu [443]

Answer: 441

Step-by-step explanation:

$7*(6+2)^2-3^2$

$7*8^2-3^2$

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441

3 0

1 year ago

In a random sample of 64 people, 48 are classified as 'successful.' Determine the sample proportion of 'successful' people.

hichkok12 [17]

Answer:

The sample proportion of 'successful' people is $\frac{3}{4}$ .

Step-by-step explanation:

The sample consist of 64 people and 48 of them are 'successful'. Hence, the proportion of 'successful' people is:

$p = \frac{n}{N}$

Where:

$N$ - People that forms the sample, dimensionless.

$n$ - People classified as 'successful', dimensionless.

Given that $n = 48$ and $N = 64$ , the sample proportion of 'successful' people is:

$p = \frac{48}{64}$

$p = \frac{3}{4}$

The sample proportion of 'successful' people is $\frac{3}{4}$ .

6 0

3 years ago