I need help w my geometry math homework because my math teacher doesnt even teach us anything

Mathematics

1 answer:

marta [7]3 years ago

4 0

Answer:

Area of front and back 2 * 6 * 14 = 168

Area of sides 2 x 5 x 14 = 140

Area of top and bottom 2 x 5 x 6 = 60

Total Area = 168 + 140 + + 60 =

368 square inches

Step-by-step explanation:

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Marysya12 [62]

Answer:

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Step-by-step explanation:

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2 years ago

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Let u = <9,4>, v = <-2,5> Find u + v.

love history [14]

Answer:

Step-by-step explanation:

You are given u = <9,4> and v = <-2,5>. You are asked to find u+v. all you need to do is to add them with their respective position. u+v = <9-2, 4+5>, u+v = <7,9>. This is the correct answer.

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2 years ago

Answer the question with explanation;

PSYCHO15rus [73]

Answer:

The statement in the question is wrong. The series actually diverges.

Step-by-step explanation:

We compute

$\lim_{n\to\infty}\frac{n^2}{(n+1)^2}=\lim_{n\to\infty}\left(\frac{n^2}{n^2+2n+1}\cdot\frac{1/n^2}{1/n^2}\right)=\lim_{n\to\infty}\frac1{1+2/n+1/n^2}=\frac1{1+0+0}=1\ne0$

Therefore, by the series divergence test, the series $\sum_{n=1}^\infty\frac{n^2}{(n+1)^2}$ diverges.

EDIT: To VectorFundament120, if $(x_n)_{n\in\mathbb N}$ is a sequence, both $\lim x_n$ and $\lim_{n\to\infty}x_n$ are common notation for its limit. The former is not wrong but I have switched to the latter if that helps.