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2 years ago

Find the total surface area of the rectangular prism plz

Mathematics

2 answers:

Ivanshal [37]2 years ago

8 0

When you find area it is bxh for a rectangle so we have (4x3)x2 + 4x(7x3)=108

ser-zykov [4K]2 years ago

8 0

Answer:

I am pretty sure the answer is 108.

Step-by-step explanation:

I really hope you get it right!

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Step-by-step explanation:

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3 years ago

Estimate the product. Then find the actual product.

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2 years ago

Read 2 more answers

PLZ HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!:(

-Dominant- [34]

Sorry for taking so long, it wont let me type a while ago. I have it all fix now hehe. I took a picture of my work, ask me if you still don’t understand.

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3 years ago

Prove that an = 4^n + 2(-1)^nis the solution to

olga nikolaevna [1]

Answer:

See proof below

Step-by-step explanation:

We have to verify that if we substitute $a_n=4^n+2(-1)^n$ in the equation $a_n=3a_{n-1}+4a_{n-2}$ the equality is true.

Let's substitute first in the right hand side:

$3a_{n-1}+4a_{n-2}=3(4^{n-1}+2(-1)^{n-1})+4(4^{n-2}+2(-1)^{n-2})$

Now we use the distributive laws. Also, note that $(-1)^{n-1}=\frac{1}{-1}(-1)^n=(-1)(-1)^{n}$ (this also works when the power is n-2).

$=3(4^{n-1})+6(-1)^{n-1}+4(4^{n-2})+8(-1)^{n-2}$

$=3(4^{n-1})+(-1)(6)(-1)^{n}+4^{n-1}+(-1)^2(8)(-1)^{n}$

$=4(4^{n-1})-6(-1)^{n}+8(-1)^{n}=4^n+2(-1)^n=a_n$

then the sequence solves the recurrence relation.

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3 years ago

List five bias questions.

ki77a [65]

Go to Calvin. Edu hope this helps.

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3 years ago

Find the total surface area of the rectangular prism plz​

Find the total surface area of the rectangular prism plz