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Klio2033 [76]
3 years ago
11

Combining like terms: -1 - 7x + x​

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
7 0

Answer: -0.125

Step-by-step explanation:

-1-7x+x

 +7   +7

-1=8x

/8  /8

x=-0.125

Viktor [21]3 years ago
3 0

Answer:

=−6x−1

Step-by-step explanation:

Let's simplify step-by-step.

−1−7x+x

=−1+−7x+x

Combine Like Terms:

=−1+−7x+x

=(−7x+x)+(−1)

=−6x+−1

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Calculate the volume of a ball having a radius of 8 cm​
34kurt

Answer:

267.9 cm^{3}

Step-by-step explanation:

volume of a circle = 4/3 * π *r^{2}

=4/3 *3.14 *8^{2}

=12.56/3 *64

=803.84/3

=267.94

=267.9 cm^{3}

3 0
3 years ago
Add the polynomials (−5x2+8x)+(2x2−3x+7)<br><br> -3x^2+5x+7<br><br> 7x^2+8x+11<br><br> -7x^2+11x+7
____ [38]
( - 5 x² + 8 x ) + ( 2 x² - 3 x + 7)
=  - 5 x² + 8 x + 2 x² - 3 x + 7
= - 3  x² + 5 x + 7 
4 0
3 years ago
Michael had 3 times as many mangoes as Junior. After eating 8 mangoes. Michael had
jolli1 [7]

Answer:

Michael: 24

Junior: 8

Step-by-step explanation:

8 is a multiple of 24, meaning if you ate 1/3 of 24 you get 16, which is doubled 8.

4 0
3 years ago
Mr. Sanford left half of his fortune to April, his daughter. He left of the remaining half to his uncle Jed. He left half of the
sergeinik [125]

Answer:

40 is the full amount

Step-by-step explanation:

4 0
3 years ago
One cake feeds 14 people. Use a proportion to find how many cakes must be purchased to feed 60 people.
katrin2010 [14]

Answer:

5 cakes


hope it helps

Step-by-step explanation:

if one cake feed 14 people and you are tying to fine out how many cakes you need to feed 60 people you would have to divide 60 by 14

1 cake = 14 people

? cakes = 60 people

60 ÷ 14 = 4.28

so in order to have enough for 60 people you need to round so you would need 5 cakes

to check you answer you can multiply 5 by 14 and you answer should be the amount of people

5 x 14 = 70

why  cant it be 4? well because if you buy 4 cakes there wont be enough for 60 people and to make sure it wont be enough you can multiply 4 x 14

4 x 14 = 56

so 4 cakes only feeds 56 people so that is why your answer is 5 cakes are needed



8 0
4 years ago
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