3 years ago

Please help me with this

Mathematics

1 answer:

podryga [215]3 years ago

4 0

Answer:

1 7

-120 -22

Step-by-step explanation:

you need to do top left top right bottom left bottom. in order to move x to the other side you need to subtract then divide by the negative.

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An=−2+32(n−1)<br><br> What is the 21st term of the sequence?

OLEGan [10]

Answer:

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Step-by-step explanation:

substitute n = 21 into the explicit formula

a₂₁ = - 2 + 32(21 - 1) = - 2 + 32(20) = - 2 + 640 = 638

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2 years ago

What is -2-(-7) <br><br> Plsss explain

MrMuchimi

Answer:

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3 years ago

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3 years ago

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kozerog [31]

Answer:

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Step-by-step explanation:

ok the equation in finding the volume of a come is

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step 1: plugin

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2 years ago

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Brut [27]

Answer:

18x +9h

Step-by-step explanation:

Such problems are tedious, but not difficult. The trick is to avoid making mistakes in the algebra.

$\dfrac{f(x+h)-f(x)}{h}=\dfrac{(9(x+h)^2)-(9x^2)}{h}\\\\=\dfrac{9(x^2+2xh+h^2)-9x^2}{h}=\dfrac{18xh+9h^2}{h}=\boxed{18x+9h}$

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2 years ago