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liraira [26]
3 years ago
8

What is the solution to the equation x + 8.5 = 64.5? 7.6 48 56 73

Mathematics
2 answers:
joja [24]3 years ago
6 0
<span>Simplifying
x + 8.5 = 64.5
 
Reorder the terms:
8.5 + x = 64.5
 
Solving
8.5 + x = 64.5

Solving for variable 'x'.
 
Move all terms containing x to the left, all other terms to the right.

Add '-8.5' to each side of the equation. 
8.5 + -8.5 + x = 64.5 + -8.5
 
Combine like terms:
8.5 + -8.5 = 0.0
 0.0 + x = 64.5 + -8.5
 x = 64.5 + -8.5
 
Combine like terms: 64.5 + -8.5 = 56
x = 56
 
Simplifying x = 56</span>
Bogdan [553]3 years ago
4 0
The solution to x + 8.5 = 64.5 is 56.

    x + 8.5 = 64.5
       - 8.5   - 8.5
---------------------------
    x = 56


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9.6x-15.4=-4.3x+26.3
AlekseyPX

<u>Solve for x:</u>

Add 4.3x on both sides so that the variable can be on one side.

9.6x - 15.4 = -4.3x + 26.3

+4.3x            +4.3x

Add 15.4 on both sides so that the whole number stays on one side separate from the variable.

13.9x - 15.4 = 26.3

         +15.4   +15.4

Divide both sides by 13.9.

13.9x = 41.7

-------     -----

13.9       13.9

Now you get a solution of:

x = 3

<u>Check:</u>

9.6(3) - 15.4 = -4.3(3) + 26.3

28.8 - 15.4 = -12.9 + 26.3

13.4 = 13.4

       

8 0
3 years ago
Emma is building a wall around her garden. It has taken 45 minutes,and she is 75% done. What is the total time it will take Emma
Morgarella [4.7K]
Hey there,
It take 45 min to complete 75% of the wall
1% = 45 / 75
      = 0.6
100 % = 0.6 x 100
           = 60 min
It takes her 60 mins or 1 hour to finish building the wall.

Hope this helps :))

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5 0
3 years ago
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The amount of pounds of seeds that are needed per arce are 9.2

4 0
3 years ago
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Answer:

P = 40 x 4

= 160

P = 50 x 3

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6 0
3 years ago
A mixture contains forty ounces of glycol and water and is ten percent glycol. If the mixture is to be strengthened to twenty-fi
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Answer:

40oz glycol and water

10% is glycol

4oz is glycol

36oz is water

if glycol is to be added to make glycol 25% of all then

note: water does not change

100-25=75

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12=25%

there should be 12 oz of glycol total

4 now

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8 oz should be added

sorry, I just wrote what I was thinking

answer is 8oz

Read more on Brainly.com - brainly.com/question/2526272#readmore

Step-by-step explanation:

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