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zysi [14]
3 years ago
10

Hi i really need help

Mathematics
1 answer:
sergeinik [125]3 years ago
5 0

Answer:

268

Step-by-step explanation:

Simple Formula Really

V = 3/4 × pi × r

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Find the value of c that completes the square<br> 2 + 20r + c
Morgarella [4.7K]

Answer:

c=5

Step-by-step explanation:

5

7 0
3 years ago
(14x2 - 3x3 + 9x4) - (-14 + 13x3 + 11x4) simplify and answer in standard form
FromTheMoon [43]
We have that
(14x2 - 3x3 + 9x4) - (-14 + 13x3 + 11x4)=<span>14x2 - 3x3 + 9x4 +14 - 13x3 - 11x4
</span>(14x2 - 16x3  +14 - 2x4)

then
-2x4-16x3+14x2+14=0--------------> this is the <span>standard form

simplify </span><span>dividing the entire expression by two
</span><span>-x4-8x3+7x2+7=0

the answer is 
</span>-x4-8x3+7x2+7=0<span>

</span>
4 0
3 years ago
What is x^2+6x=x^2-6x as a system?
Fudgin [204]

Answer:

7x=-5x

Step-by-step explanation:

6 0
3 years ago
What's -9 x 7 plssssssssss answerrrrr quicklyyyy
NNADVOKAT [17]
It’s -63 all you would be multiple like normal 63 which then you put a negative symbol on front
6 0
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Hisham is saving to buy a video game system. every month he spends $30 of what he earns. after four months, he has saved $300. h
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