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dezoksy [38]
3 years ago
14

What percent of 75 is 45 show your work

Mathematics
1 answer:
erastovalidia [21]3 years ago
5 0

Multiply the fraction by 100%.

\dfrac{45}{75}\times 100\%=60\%

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Answer:1/4(1-3x)

Step-by-step explanation:

5 0
3 years ago
A triangle and a rectangle are shown below.
nadezda [96]

Answer:

10 cm

Step-by-step explanation:

From the diagram,

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8 0
2 years ago
Write the standard form of the equation:<br> Slope= 3 y-intercept= -1
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7 0
2 years ago
Combine the like to simplify the expression: -5y + 12 + 8y − 6 − 2 =
ANTONII [103]

First, let's move combine like terms:

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8 0
3 years ago
Read 2 more answers
How much of a 60% acid solution must be mixed with 50 gallons of a 24% acid solution to obtain a solution that is 50% acid?
tiny-mole [99]
My teacher taught me a simple equation for these types of problems:
(percent of solution × amount of solution) + (percent of solution × amount of solution) = (percent of solution × total amount of solution) 
in simple terms:    %amount + %amount = %total amount
We know don't know how much gallons of 60% solution we need so it will be represented as x. We dont know the total amount either so it would have to be both solutions added together so 50 + x. Now lets solve:
(0.60)(x) + (0.24)(50) = (0.50)(50 + x)            simplify/ distribute
0.6x + 12 = 25 +0.5x                  get all xs on one side and numbers on other
0.1x + 12 = 25
0.1x = 13    divide both sides by 0.1 to find x
x = 130
You need 130 gallons of 60% solution.
8 0
3 years ago
Read 2 more answers
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