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insens350 [35]
3 years ago
8

I need help on 4 & 5 pls

Mathematics
1 answer:
Allushta [10]3 years ago
7 0
What do you need help with? it helps us to know the question!
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Mari and Jen each work 20 hours a week at different jobs. Mari earns twice as much as Jen. Together they earn $480. How much doe
Salsk061 [2.6K]
We will call:
M=Mari
J=Jen

Initial equations:

M=2J
M+J=480
(the fact that they work 20 hours a week is not needed in this problem information)

Plug in:
2J+J=480
3J=480
J=160

Jen makes $160 a week.

Therefore:

M=2J
M=2(160)
M=320

Mari makes $320 per week
Jen makes $160 per week
7 0
3 years ago
If L = 8 inches, W = 5 inches, and H = 4 inches, what is the volume of the rectangular prism?
Vladimir79 [104]
Volume=legnth times width times height
legnth=8
width=5
height=4
volume=8 times 5 times 4=160

volume is 160 cubic inches or 160 in^3
8 0
3 years ago
6x^4 • 5x^3<br><br> Pleas help<br> Me on this problem!!
Leto [7]
30x^7

Multiply the coefficients (6•5) to get 30, then add the exponents (4+3) to get 7

Hope this helps!
4 0
3 years ago
Select three expressions equivalent to -3/4
Daniel [21]

Answer:

0.75 as a decimal for -3/4

I hope this helps

5 0
3 years ago
Passes through (-2,6) with a slop of -1/4
nikitadnepr [17]

Answer:

y=-1/4x-5 1/2.

Step-by-step explanation:

Using the formula y-y1=m(x-x1), plug in the slope and the numbers and you'll get y=-1/4x-5 1/2.

5 0
3 years ago
Read 2 more answers
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