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sesenic [268]
3 years ago
7

7x – 2 + 3x5 – 4x2 + x4 Arrange in descending powers of x;

Mathematics
1 answer:
Andrew [12]3 years ago
6 0

Answer:

3x5 + x4 -4x2 + 7x -2

Step-by-step explanation:

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The quotient of y and 5 is equal to 27
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It would be 27 divided by 5 which would be 5.4, so the answer would be y=5.4
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To mix his special energy drink, Jerome uses 8 cups of water and 3 cups of drink mix.
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Jerome needs 336 cups of water and 126 cups of drink mix
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3 years ago
Need help with this question please!!
lara31 [8.8K]

Answer:

C. 1/2

There are many ways to do this but I'll use substitution.

Step-by-step explanation:

Bottom equation yields x = 4 - 8y

plug that into the top equation results in:

4(4 - 8y) - y = 3y + 7

Simplify this to find y:

-36y = -9

y = 1/4

Plug that into the bottom equation we get:

x = 4 - 2 = 2

Thus, xy = 2(1/4) = 1/2 (C)  

7 0
3 years ago
I'm confused on how to find the surface area of a triangular prism​
Vinvika [58]

Answer:

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Step-by-step explanation:

hope this helps

6 0
2 years ago
Use PEMDAS to simplify the expression.<br> 7 715-221<br> 2<br> + 10 - (5 x 23)
Bogdan [553]

Answer:

5398

Step-by-step explanation:

7715-2212+10-(5x23)

7715-2212+10-115

5503+10-115

5513-115

5398

3 0
3 years ago
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