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Roman55 [17]
4 years ago
7

Az + 17 = -4z - b What is z?

Mathematics
1 answer:
Sholpan [36]4 years ago
8 0

To solve Az + 17 = -4z - b for z, we begin by combining like terms. We get:

Az + 4z = -b - 17, or z(A+4) = -(b+17).

Dividing both sides by (A+4), we get:

-(b+17)

z = --------------

A+4

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Pads of paper come 4 to a box, pencils come 27 to a box, and erasers come 12 to a box. What is the least number of kits that can
DENIUS [597]
4+27+12=43 so your answer would be 43

7 0
3 years ago
An employee works for $45 hours each week. He is paid $4 per hour for 40 hours per week and $6 per hour for overtime, what is hi
makvit [3.9K]

Answer: $190

Step-by-step explanation:

Normal pay $4 * 40 hours = $160

Overtime $6 * 5 = $30

8 0
3 years ago
Read 2 more answers
Some one help please
victus00 [196]

Answer:

B

Step-by-step explanation:

It's actually pretty simple.

All you have to do is multiply it out.

6*2x=12x

and

6*y=6y

Then you just put it together...

12x+6y

(yaaaay!)

5 0
3 years ago
A friend has a 82% average before the final exam for a course. That score includes everything but the final, which counts for 30
Damm [24]
So you want to set up an equation for a weighted average. You know the final is 30% of the grade, so everything else is 70%. This gives you:

(Final)(.30) + (other grades)(.70) = course grade

The best grade the student can get would be if they get a hundred on the final, since that’s the best score you can make on the final. Then,

(100)(.30) + (82)(.70) = course grade
30 + 57.4 = course grade = 87.4 Which, If you round, the student would get an 87.

For the last part, we use the same equation, just filling in different parts.

(Final)(.30) + (other grades)(.70) = course grade

This time, we don’t know the grade for the final, but we know the course grade.

(Final)(.30) + (82)(.70) = 75
(Final)(.30) + 57.4 = 75
(Final)(.30) = 17.6
Final = (17.6)/(.30)
Final = 58.667 Which is approx a 59.
4 0
3 years ago
A boat traveled 37 miles in 2 hours. At this<br> rate, how many miles will the boat travel in
Inessa [10]

<u><em>Answer:</em></u>

i. The boat will travel 18.5 miles in one hour

ii. The boat will travel 9.25 miles in half an hour

iii. The boat will travel 27.75 miles in one and a half hours

<u><em>Explanation:</em></u>

We are given that the boat travel 37 miles in 2 hours

To get the miles traveled, we can simply use cross multiplication

<u>i. Miles traveled by the boat in one hour:</u>

37 miles .....................> 2 hours

x miles ........................> 1 hour

x = \frac{37*1}{2}=18.5 miles

<u>ii. Miles traveled in half an hour:</u>

37 miles .....................> 2 hours

x miles ........................> 0.5 hour

x = \frac{37*0.5}{2}=9.25 miles

<u>iii. Miles traveled in an hour and a half:</u>

37 miles .....................> 2 hours

x miles ........................> 1.5 hour

x = \frac{37*1.5}{2}=27.75 miles

Hope this helps :)

8 0
4 years ago
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