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Elis [28]
2 years ago
11

How to do pyramid math

Mathematics
1 answer:
FromTheMoon [43]2 years ago
8 0

Answer:

https://youtu.be/IPvdVCMb5r4

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Justify each step in solving the equation 4X equals seven times X -3
torisob [31]
4x = 7(x-3)

1.  Distribute that multiplicand 7:  4x = 7x - 21

2.  Group the x terms together:  Subtract 4x from both sides:  0 = 3x - 21

3.  Solve for x:  Add 21 to both sides:  21 = 3x

4.  Divide both sides by 3 to obtain x = 7 (answer)
5 0
3 years ago
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Cole made a scale drawing of the elementary school. The scale he used was
ahrayia [7]

Answer:

I think 60

Step-by-step explanation:

3 0
2 years ago
Solve for n.<br> n+ 1 = 4(n-8)<br> 0 n = 1<br> O n = 8<br> 0 n = 11<br> n = 16<br> ?
Irina18 [472]
N=11
I’m not 100% sure
Hoped this helped
6 0
2 years ago
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Simplify: (a4 - 6a + 5) - (a4 - 3a + 2a2 - 6)
Galina-37 [17]
(a4-6a+5)-(a4-3a+4a-6)
by expressing like term
a4-a4=0
-6a-(-3a+4a)=-5a
5-(-6)=11
:we have-5a+11
7 0
2 years ago
Workers on the assembly line produce 4x + 6 boats each day. Which expression shows how many boats they produced in 12 days?
Annette [7]
We're going to assume that x = # of days.
Plug 12 in as x:
4 × 12 = 48
48 + 6 = 54
They produced 54 boats in 12 days.
7 0
3 years ago
Read 2 more answers
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