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2 years ago

Does anyone know the answer

Mathematics

1 answer:

OleMash [197]2 years ago

3 0

When the graphs intersect eachother

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The measures of two angles are 2x⁰ and (3x + 20)⁰. What is the measure of each angle if x = 14?

galben [10]

Answer:

The measures of two angles are 2x⁰ and (3x + 20)⁰. What is the measure of each angle if x = 14?

b 28 and 62

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2 years ago

Siri, who is not yet 22 years old, is five years older than Lily. Write and solve an

Zolol [24]

Answer:

22-5= L

L = 17

Step-by-step explanation:

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2 years ago

Kerry and Tya are sharing a pack of stickers. Each girl gets 11 stickers. Write and solve a division equation to find how many t

Shalnov [3]

Since each girl gets 11 sticker that means that there are 22 stickers in the pack.

11x2=22

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3 years ago

Why is the answer to this integral's denominator have 1+pi^2

ss7ja [257]

It comes from integrating by parts twice. Let

$I = \displaystyle \int e^n \sin(\pi n) \, dn$

Recall the IBP formula,

$\displaystyle \int u \, dv = uv - \int v \, du$

Let

$u = \sin(\pi n) \implies du = \pi \cos(\pi n) \, dn$

$dv = e^n \, dn \implies v = e^n$

Then

$\displaystyle I = e^n \sin(\pi n) - \pi \int e^n \cos(\pi n) \, dn$

Apply IBP once more, with

$u = \cos(\pi n) \implies du = -\pi \sin(\pi n) \, dn$

$dv = e^n \, dn \implies v = e^n$

Notice that the ∫ v du term contains the original integral, so that

$\displaystyle I = e^n \sin(\pi n) - \pi \left(e^n \cos(\pi n) + \pi \int e^n \sin(\pi n) \, dn\right)$

$\displaystyle I = \left(\sin(\pi n) - \pi \cos(\pi n)\right) e^n - \pi^2 I$

$\displaystyle (1 + \pi^2) I = \left(\sin(\pi n) - \pi \cos(\pi n)\right) e^n$

$\implies \displaystyle I = \frac{\left(\sin(\pi n) - \pi \cos(\pi n)\right) e^n}{1+\pi^2} + C$

6 0

1 year ago

Determine if true:<br> 8x2-63=-40

prohojiy [21]

Answer:

False

Step-by-step explanation:

8x2=16

16-63=-47

-47=-40

The numbers do not match.

Hence, the equation is false.

3 0

1 year ago

Read 2 more answers