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mamaluj [8]
3 years ago
10

Solve the proportion for “m”. 4/12=m/39

Mathematics
2 answers:
Gala2k [10]3 years ago
6 0

Answer:

13

Step-by-step explanation:

4/12 = m/39

Simplify the fraction on the left

Divide the top and bottom by 4

1/3 = m/39

Using cross product

3m = 1*39

Divide each side by 3

3m/3 = 39/3

m = 13

Sav [38]3 years ago
3 0
Multiply both sides by 39 to get 13=M
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12 + 2x - x = 9x + 6 <br><br><br> I need help!!
stich3 [128]

Answer:

3/4

Step-by-step explanation:

Start by simplifying (2x-x) to just (x)

The equation should now look like this: 12+x=9x-6

Now subtract the x on the left side of the equation on both sides.

The equation should now look like this: 12=8x-6

Now add 6 on both sides

The equation should now look like this: 6=8x

To get x by itself you must divide 8 on both sides

The equation should now look like this 6/8=x

Don't forget to simplify your fractions!

6/8 simplified is 3/4, giving you the answer 3/4

3 0
3 years ago
Select all the correct.
Gemiola [76]
The answer is X=5, X=-2 and x=-4
3 0
2 years ago
The greatest common factor of three numbers is 9. The sum of the numbers is 90. Find the three numbers.
Ivan

Answer:

2, 3, 5

Step-by-step explanation:

9 x 2= 18

9 x 3 = 27

9 x 5 = 45

4 0
3 years ago
Find the radius of a circle whose area equals the area of a rectangle that measures 2 ft. by 11 ft. (Use = 22/7). . . r = SQRT _
const2013 [10]
The area of a rectangle is calculated through the equation, V = L x W. That of the circle is equal to V = πr². These areas should be equal,
                                  V = L x W = πr²
Substituting the known values,
                               2 ft x 11 ft = (22/7)(r²)
The value of r is sqrt 7. 
4 0
4 years ago
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Answer:

B is the answer

Step-by-step explanation:

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