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3 years ago

True or false? The graph represents a function.

Mathematics

1 answer:

loris [4]3 years ago

4 0

Answer:

True

Step-by-step explanation:

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A spherical tank holds about 7,234.56 cubic meters of air.

Inessa [10]

Answer:

The radius of the spherical tank is 12 meters

Step-by-step explanation:

In this question, we are tasked with calculating the radius of the spherical tank given the volume of air it can hold

Mathematically, the volume V of a sphere is 4/3 * pi * r^3

Thus, 7234.56 = 4/3 * 3.14 * r^3

7,234.56 = 4.19 * r^3

r^3 = 7234.56/4.19

r^3 = 1,728

r = cube root of 1,728

r = 12 meters

8 0

3 years ago

A consumer advocacy group wants to determine whether there is a difference between the proportions of the two leading automobile

podryga [215]

Answer:

The answer is "0.3206".

Step-by-step explanation:

$H_0: p_1 = p_2\\\\H_a: p_1 \neq p_2\\\\\hat{p_1} = \frac{X_1}{N_1} = \frac{53}{400} = 0.1325\\\\\hat{p_1}= \frac{X_2}{N_2} = \frac{78}{500}= 0.156\\\\\hat{p} = \frac{(X_1 + X_2)}{(N_1 + N_2)} = \frac{(53+78)}{(400+500)} = 0.1456$

Testing statistic:

$z = \frac{(\hat{p_1}- \hat{p_2})}{\sqrt{(\hat{p} \times (1-\hat{p}) \times (\frac{1}{N_1} + \frac{1}{N_2}))}}$

$=\frac{(0.1325-0.156)}{\sqrt{(0.1456\times (1-0.1456)\times (\frac{1}{400} + \frac{1}{500}))}}\\\\ = -0.99$

Calculating the P-value Approach

$\text{P-value}= 0.3206$

7 0

3 years ago

Hi I need help I need to get all a’s and I really need some help

Mama L [17]

Answer:

Hi:) Do you have a specific question on something or just some tips for those desired good grades?

Step-by-step explanation:

4 0

4 years ago

Read 2 more answers

Help? Please ...........

Angelina_Jolie [31]

Answer:

It is a diagnal line that goes through (0,0) and (1,1) and has a slope of 1

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

What percent of 208 is 197.6

ikadub [295]

Your percent is going to be <span>-203.008</span>

3 0

3 years ago