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Bas_tet [7]
3 years ago
11

Subtract -3n^2 from -7n^2

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
5 0

Answer: 4n^2

Step-by-step explanation: -3n^2 - (-7n^2) = -3n^2 + 7n^2= 4n^2. When adding and subtracting the exponents stay the same only the coefficients are subtracted or added

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Ryan made 95 ounces of of apple jelly he puts the same amount in 6 jars about how much jelly does each jar have
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Answer:

15.83 ounces

Step-by-step explanation:

95/6 is about 15.83

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a vat of milk has spilled on a tile floor. the milk flow can be expressed with the function r(t) = 4t, where t represents time i
salantis [7]
4t=r
a=pir^2
sub 4t for r
a=pi(4t)^2
a=pi16t^2
a(t)=16pi(t^2)


A. a(t)=16pi(t^2)

B. sub 4 for t
a(4)=16pi4^2
a(4)=16pi16
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A. a(t)=16pi(t^2)
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Mars2501 [29]

Answer:

y = -4x - 7

Step-by-step explanation:

we use the slope intercept formula given by; y = mx + b

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so they tell us the slope.. we just need to find b - the y intercept.

y = mx + b

plug in your coordinates (-2,1)

1 = -4(-2) + b

1 = 8 + b

1 - 8 = b

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