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3 years ago

Is it a function or non function?

Mathematics

1 answer:

Otrada [13]3 years ago

6 0

It is a function because each x values have ONE y value

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The radius of a circle is 12 in. Find its area in terms of \piπ.

iren [92.7K]

Answer:

pi144

Step-by-step explanation:

square the radius but dont multiply by pi because the question wants you to leave it out.

7 0

2 years ago

–9.45 + 5.4d + 9.01 = –0.1d + 0.66

bulgar [2K]

Answer:

1.838181818181818

Step-by-step explanation:

5.4d + 0.1d = 0.66 + 9.45

5.5d = 10.11

d = 10.11 / 5.5

d = 1.838181818181818

7 0

3 years ago

Read 2 more answers

The area of a triangle is 36 square inches. What is the height of the triangle if the base length is 8 inches? (3 points) a 8 in

Anit [1.1K]

9514 1404 393

Answer:

b. 9 inches

Step-by-step explanation:

The area of a triangle is given by ...

A = 1/2bh

Solving for h, we get ...

h = 2A/b

h = 2(36 in²)/(8 in) = 72/8 in

h = 9 in

The height of the triangle is 9 inches.

5 0

3 years ago

The Insure.com website reports that the mean annual premium for automobile insurance in the United States was $1,503 in March 20

stira [4]

Answer:

a) Option A)

$H_{0}: \mu \geq 1503\\H_A: \mu < 1503$

b) Point estimate of difference = -78

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = $1,503

Sample mean, $\bar{x}$ = $1,425

Sample size, n = 25

Sample standard deviation, s = $160

We have to carry a hypothesis test that the mean annual premium in Pennsylvania is lower than the national mean annual premium.

a) First, we design the null and the alternate hypothesis

$H_{0}: \mu \geq 1503\text{ dollars}\\H_A: \mu < 1503\text{ dollars}$

b) Point estimate of the difference between the mean annual premium in Pennsylvania and the national mean

Point estimate of difference =

Mean annual premium in Pennsylvania - National mean

$\text{Point estimate} = \bar{x} - \mu = 1425 - 1503 = -78$

Thus,

Point estimate of difference = -78

5 0

3 years ago

What is the strongest relationship you can infer between two variables from this statement? The number of minutes you can talk o

Elenna [48]

It wokls be b. I hope this helps

4 0

2 years ago