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3 years ago

14

Membership in the art club costs $10 per month plus a one-time charge of $25 for basic supplies. Each statement compares the num

ber of months you belong to the total charge. Which statement is true?

1 answer:

Leto [7]3 years ago

5 0

Answer:

They are not directly proportional because a graph of the situation does not pass through the origin.

Step-by-step explanation:

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Adult male heights have a normal probability distribution with a mean of 70 inches and a standard deviation of 4 inches. What is

raketka [301]

Answer: 0.5

Step-by-step explanation:

Given : Adult male heights have a normal probability distribution .

Population mean : $\mu = 70 \text{ inches}$

Standard deviation: $\sigma= 4\text{ inches}$

Let x be the random variable that represent the heights of adult male.

z-score : $z=\dfrac{x-\mu}{\sigma}$

For x=70, we have

$z=\dfrac{70-70}{4}=0$

Now, by using the standard normal distribution table, we have

The probability that a randomly selected male is more than 70 inches tall :-

$P(x\geq70)=P(z\geq0)=1-P(z$

Hence, the probability that a randomly selected male is more than 70 inches tall = 0.5

4 0

3 years ago

Read 2 more answers

Help PLEASE!!! Choices:<br><br> A.) $216<br><br> B.) $210<br><br> C.) $213<br><br> D.) $225

-BARSIC- [3]

The correct answer is B. $210

6 0

3 years ago

Can someone please help. Will mark barinlyist!

timofeeve [1]

Answer:

(x + 2, y - 4 )

Step-by-step explanation:

Consider the shift of coordinate point A (- 6, 2 ) → A'(- 4, - 2 )

This represents a shift of + 2 units in the x- direction and

a shift of - 4 units in the y- direction, thus

(x, y ) → (x + 2, y - 4 )

5 0

3 years ago

Zara's weekly pay is increased by 5% to $315. What was Zara's pay before the increase

Elina [12.6K]

Answer:

$299.25

Step-by-step explanation:

What is 5% of $315? = $15.75

Therefore $315 - 5% =

$315 - $15.75

Ans + $299.25

4 0

3 years ago

2/3 (x - 7 ) = -2<br> AL y = 5/3 B: 8 1/3 C: 10 D: 4

nika2105 [10]

Answer:

D: 4

Step-by-step explanation:

1. Solve the equation

$\begin{array}{rcl}\dfrac{2}{3}(x - 7) & = & -2\\\\2(x - 7) & = & -6\\x - 7 & = & -3\\x & = & \mathbf{4}\\\end{array}$

2. Check

$\begin{array}{rcl}\dfrac{2}{3}(4 - 7) & = & -2\\\\\dfrac{2}{3}(-3) & = & -2\\\\-2 & = & -2\\\end{array}$

OK

8 0

3 years ago