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Mariana [72]
3 years ago
11

Which value from the set {3, 8, 9, 14} makes the equation true?

Mathematics
1 answer:
garik1379 [7]3 years ago
7 0

the answer would be 8.

2 times 8 = 16 minus 5 = 11

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Polygon with three interior angles whose sum 180 degrees
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Triangle

Step-by-step explanation:

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3 years ago
1. Solve proportion 12/15 = 18/b
omeli [17]
We solve the as follows:

<span>1. Solve proportion 12/15 = 18/b
</span>( 12/15 = 18/b ) b<span>
( 12b/15 = 18 ) 15/12
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b = 45/2

2. Solve equations 

A. -x + 4 = x +6 
</span>-x + 4 - x = x +6 - x
<span>-2x + 4 - 4 = 6 - 4
-2x = 2
x = -1

B. 5n + 7 =7(n+1) -2n 
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0 = 0

C. -4(p+2) + 8 = 2(p-1) - 7p + 15
-4p - 8 + 8 = 2p - 2 - 7p + 15
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3. Solve a/b x - c = 0 for x 
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3 0
3 years ago
Find a number such that its two-third is equal to 5/4
levacccp [35]

Answer:

x = 15/8.

Step-by-step explanation:

Create an equation, let the number be x:

2/3 * x = 5/4

Now we multiply both sides by 3/2

3/2 * 2/3 x = 5/4 * 3/2

x = 15/8.

7 0
2 years ago
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