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ANTONII [103]
2 years ago
9

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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You need to buy 5 notebooks for your classes at school.Each notebook costs $2.79. What is the total cost before tax?
lesya692 [45]

Answer:

$13.95

Step-by-step explanation:

You need to multiply the 5 notebooks with the costs of each notebook, which gives you the total costs before tax.

7 0
3 years ago
Estimate the product. Then find the actual product.
Artist 52 [7]

Answer:

it  is in the steps 4443.6 actual product

estimate is 4444

Step-by-step explanation:

483*9.2=4443.6 actual product

6 0
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.

8 0
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.

4 0
3 years ago
List five bias questions.
ki77a [65]
Go to Calvin. Edu hope this helps.
4 0
3 years ago
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