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antoniya [11.8K]
2 years ago
12

Which expressions represent the sum of 3 and n select all that apply

Mathematics
2 answers:
Degger [83]2 years ago
7 0
Im pretty sure its 3+n n+3
Lelu [443]2 years ago
6 0
"the sum of 3 and n" will look like:

3 + n

n + 3

hope this helps
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Kent worked in the housewares section of a department store. This year he set a record high for vacuum sales with 567 vacuums so
Mashcka [7]
It is a 5% increase from last year
5 0
3 years ago
What are the measurements of the little 2 small cube things on each side, better yet what's the surface area? Thank you
Arisa [49]

<u>Answer:</u>

  • 166 units²

<u>Step-by-step explanation:</u>

<u>We know that:</u>

  • W = 7
  • L = 5
  • H = 4

<u>Surface area is the area of the faces of the cuboid.</u>

<u>Work:</u>

  • => 2(7 x 4) + 2(5 x 4) + 2(5 x 7)
  • => 2(28) + 2(20) + 2(35)
  • => 56 + 40 + 70
  • => 166 units²

Hence, <u>Option C is correct.</u>

Hoped this helped.

BrainiacUser1357

4 0
2 years ago
Write the equation of the circle with center (7,-2) and radius square root 61. Please show your work!
Vladimir79 [104]
The equation of a circle is (x - h)^2 + (y - k)^2 = r^2
x and y are left alone in a circle equation, while h and k are the coordinates of the center.

Thus, our equation is (x - 7)^2 + (y + 2)^2 = 61
5 0
3 years ago
What is 3√20 - 3√45 + 5√12 in simplest radical form? Show all work.
lesya692 [45]

Answer: -3√5 + 10√3

Step 1: Find the prime factorization of the number inside the radical.

Step 2: Determine the index of the radical. In this case, the index is two because it is a square root, which means we need two of a kind.

Step 3: Move each group of numbers or variables from inside the radical to outside the radical. In this case, the pair of 2’s and 3’s moved outside the radical.

Step 4: Simplify the expressions both inside and outside the radical by multiplying.


8 0
3 years ago
Help me please help me
scoundrel [369]

Answer:

C

Step-by-step explanation:

8 0
2 years ago
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