2 years ago

Help please I need asap

Mathematics

1 answer:

nlexa [21]2 years ago

5 0

Answer: -120

Step-by-step explanation:

$2\sum^{4}_{p=1} (p^{2}-9p)=2[(1^{2}-9(1))+(2^{2}-9(2))+(3^{2}-9(3))+(4^{2}-9(4))]=\boxed{-120}$

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murzikaleks [220]

Answer:

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Step-by-step explanation:

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= 1/2 * 6 * 8 + 1/2 * 4 * 8

= 24 + 16

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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posledela

Answer:

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Step-by-step explanation:

(-3C^4-5C^2-7C)+(4C^4+8C^3+2C^2)

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3 years ago

Find the measure of Angle 5. measure of angle 7 = 2x+15 measure of angle 8 = 3x

MrMuchimi

2x + 15 = 3x
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15= x

the measure of angle 5 is 15 I believe
do you have a picture of the problem to see if I'm correct?

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