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4 years ago

6 plus the product of z and 9

Mathematics

2 answers:

Marina86 [1]4 years ago

8 0

Answer:

6+9x

Step-by-step explanation:

Hope this helped you by any way!

Alexxx [7]4 years ago

5 0

Answer:

6+(9z)

Step-by-step explanation:

Since you want to add 6 to the product of z and 9 you first have to multiply z and 9 so the equation would look like 9z, but then you have to add that to 6 so the final equation would be 6+(9z).

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Sam earned $380 working for 8 hours.<br> How much does Sam earn per hour? $<br> per hour

Crank

Answer:

$47.50

Step-by-step explanation:

You just take $380 and divide it by 8 hours to get the amount of money per hour, which is $47.50 .

7 0

3 years ago

Read 2 more answers

3X-1=4 THEN 2X= ...?

strojnjashka [21]

3x=4+13x=5x=5/32x=2* 5/32x=10/3

8 0

3 years ago

What is the maximum height for -16t^2+96t+63

azamat

Answer:

h(3) = 207 feet

Step-by-step explanation:

what is the maximum height for -16t^2+96t+63

h(t) = -16t^2+96t+63

We see max height at the vertex of this parabolic function

x = -96/2*(-16) = 3 seconds

h(3) = -16*3*3 + 96*3 + 63

h(3) = -144 + 288 + 63

h(3) = 207 feet

4 0

3 years ago

Could someone please help mee<br> Step by step

Keith_Richards [23]

Let Q be the point (a, b). Since the midpoint of P (2, 3) and Q (a, b) is (4, 6), we have

(2 + a)/2 = 4

(3 + b)/2 = 6

Solve for a and b :

(2 + a)/2 = 4

2 + a = 8

a = 6

(3 + b)/2 = 6

3 + b = 12

b = 9

So the coordinates of Q are (6, 9).

8 0

3 years ago

The time it takes a customer service complaint to be settled at a small department store is normally distributed with a mean of

noname [10]

Answer:

0.0475 = 4.75% probability that a randomly selected complaint takes more than 15 minutes to be settled.

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 10 minutes and a standard deviation of 3 minutes

This means that $\mu = 10, \sigma = 3$