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Solnce55 [7]
3 years ago
10

What is one formula for calculating the surface area of a rectangular prism

Mathematics
1 answer:
Serjik [45]3 years ago
4 0
Im pretty sure its

2ab + 2bc + 2ac

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PLS HELP!! According to the following diagram, which two options form a pair of opposite rays?
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Ello there mate hows it going? I have done geometry and parlinguals along with alegbra! I am certified as a college professor and am willing to help ya!

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8 0
2 years ago
The difference of 10 and the product of n and 2 is 4 which operation models this​
vagabundo [1.1K]

Answer:

10 - 2n - 4

Step-by-step explanation:

The product of n and 2 is 2n.

Then 10 - 2n is the difference of 10 and the product of n and 2.

In conclusion, we have:  

10 - 2n - 4

3 0
3 years ago
Find the sum of the first 18 terms of the arithmetic sequence whose nth term is an = 3n - 1.
vodka [1.7K]

Answer:

495

Step-by-step explanation:

In order to find the sum of the first 18 terms you have to find the 18th term and the first term using the equation given.

a1=3(1)-1        a1=2

a18=3(18)-1   a18= 53

Then plug in 53 for an, 18 for n, and 2 in for a1 in the sum equation: Sn=n/2(a1+an)  

Sn=18/2(2+53)  Solve for sn= 495

7 0
3 years ago
Check all that apply
lozanna [386]

Answer:

D. be congruent

Step-by-step explanation:

vertical angles are angles that are across from each other on intersecting lines and they are always congruent

3 0
3 years ago
Given f(x)=2x2-3, find F(-3)
Paraphin [41]

Answer:

f(-3) = 15

Step-by-step explanation:

f(x)= 2x^2 - 3

Plug in x = -3 into the function

f(-3) = 2(-3)^2 - 3

f(-3) = 18 - 3

f(-3) = 15

3 0
2 years ago
Read 2 more answers
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