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Musya8 [376]
3 years ago
5

I need help with all of these questions please?

Mathematics
1 answer:
damaskus [11]3 years ago
6 0
What do you need help with? it helps us to know the question!
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How do you solve a system of equations by elimination when the signs are the same
aalyn [17]
Ummmmm well first you.. UHG how do i explain dis
let me get my bearings straight and i will come back to u :)
7 0
3 years ago
Angelina has a fish tank in the shape of a rectangular prism. The fish tank is 20 inches long, 7 inches wide, and 12 inches tall
igor_vitrenko [27]

Answer: 1680 inches cubed

Step-by-step explanation:

Volume = Length x Width x Height

V = 20 x 7 x 12

V = 140 x 12

V = 1680 inches cubed

8 0
3 years ago
Evaluate -(7^-3)(7^5) <br> A: 49, <br> B: -49, <br> C: -1/49, <br> D: 1/49.
sasho [114]

Answer:

Option B -49

Step-by-step explanation:

-(7^-3)(7^5)

-1/7^3×7^5

-7^2

-49

So option B is correct

8 0
3 years ago
Read 2 more answers
Which expression has a greater value 1/2 × 345 + 791 or 345 + 791
nordsb [41]

Answer:

The expression 345+791 has a greater value.

Step-by-step explanation:

The first step to figuring out this problem would be to solve the following expressions: 1/2*345=172.5                345+791=1136

The next step to solving the problem would be to compare your answers from your solved expressions: 1136>172.5      OR        172.5<1136      

HOPE THIS HELPS BESTIEE

6 0
3 years ago
Solve the equation <br><br> 3(x+2) = 2(2 - x)
RideAnS [48]

Answer:

x=-2/5

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
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