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quester [9]
3 years ago
12

Please help with solving the blank answers

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
6 0
Distribute The 4 In Problem Number 2. (4*2.5X)+(4*1.25) = 77
Simplify. 10X+5 = 77. Now, Subtract 5 From Both Sides. 
10X = 77-5
10X = 72.
Now, Divide.
X = 72/10. 
X = 7.2.
For 13, We Have This:
3/5p+2/3 = 8.
Now, Subtract 2/3. 
3/5p = 7 1/3
Now, Divide. 
7 1/3 Needs To Be Converted To An Improper Fraction. 
It Becomes 22/3.
22    5    110
--- * --- = ----
 3     3      9
Now, Make Into A Proper Fraction.
It Becomes 12 And 2/9. 

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I’ll mark brainliest
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Answer:

A

Step-by-step explanation:

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4 0
2 years ago
One-third of a number added to itself equals 3 times the difference of the number and seven.
olya-2409 [2.1K]

Answer:

Step-by-step explanation:

Do this step by step.

Let the number = x

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Added to itself 1/3x + x

=

3*(x - 7)

So the equation is

1/3x  + x = 3(x - 7)            Remove the brackets. Collect 1/3x and x

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4x = 3*(3x - 21)                Remove the brackets again

4x = 9x - 63                    Subtract 9x from both sides

-5x = -63                         Divide by -5

x = -63/-5

x = 12.6

3 0
3 years ago
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chubhunter [2.5K]
The average rate of change is m = 5.934

Hope this is what you were looking for.
8 0
2 years ago
Select the number property that will justify the step in the following expression.
umka2103 [35]
Positions of 2, 5, 17 are not changed - so its not commutative property 

5 0
3 years ago
Imagine a player getting ready for a tournament. He has 4 games to play during the day: 9:00 a.m., 11:00 a.m., 1:00 p.m., and 3:
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by game 3(at 1:00 p.m)

because temperature comes to 5 degrees at 1:00 p.m

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8 0
3 years ago
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