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jok3333 [9.3K]
3 years ago
9

Which is a way to use prime factorization to find the least common multiple (LCM) of 9 and 12?

Mathematics
1 answer:
ohaa [14]3 years ago
5 0

Answer:

36

Step-by-step explanation:

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Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Anit [1.1K]
Well the area of a trapezoid is defined by the following formula:
A = \frac{1}{2}(b_{1} + b_{2})h where b₁ and b₂ are the bases of the trapezoid and h is the height of the trapezoid.

Let's plug in what we know into this formula:
h = 7  the perpendicular distance between the two bases
b₁ = 15  the shorter parallel side
b₂ = 25  the longer parallel side made up of 4 + 15 + 6
so, A = \frac{1}{2} (15+25)(7)=140

This is in square units of measure of course, so 140 in² 
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3 years ago
What is the perimeter of this triangle?
salantis [7]

3w-15 is the answer ,

w + w + w-15

( combime like terms )

= 3w - 15


6 0
3 years ago
What’s the reciprocal of 1/5
In-s [12.5K]
5/1 is the reciprocal of 1/5
8 0
3 years ago
Read 2 more answers
X+ y =5<br> 3x-y=7<br><br> solve each system of equations by the addition method
erastovalidia [21]
X=3
Y=2
Use the "Guess and Check Method"
For example, I inputed 2 for X and found that it was too small to work for the second equation, so I put in 3. Then for Y, I input 2 because 3+2=5. I put 2 in to replace Y in the second equation (3x-y=7) to see that 9-2=7. Therefore, X=3 and Y=2
6 0
2 years ago
8^2x+1=4^1-x what is the solution
Lapatulllka [165]

Step-by-step explanation:

8 ^{2x + 1}=   {4}^{1 - x}

({2}^{3})^{2x + 1}   = ({2}^{2})^{1 - x}

2^{6x + 3}  =  {2}^{2 - 2x}

6x + 3 = 2 - 2x

6x + 2x = 2 - 3

8x =  - 1

x =   - \frac{1}{8}

6 0
3 years ago
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