50 points!!!!! PLS answer

Mathematics

2 answers:

maks197457 [2]4 years ago

5 0

Answer:

woop you'll have to ask the question

Step-by-step explanation:

Andreas93 [3]4 years ago

3 0

Answer:

where is the question??

Step-by-step explanation:

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A chemist has a solution of 50% pure acid and another solution of 80% pure acid. How many gallons of each will make 600 gallons

bonufazy [111]

Let x=amount of 50% solution and y=amount of 80% solution.
x+y=600 gallons; amount of pure acid in the mixture has to be 72% of 600=432 gallons.
So 0.5x+0.8y=432; but y=600-x so 0.5x+0.8(600-x)=432, 0.5x+480-0.8x=432.
480-432=0.3x, 48=0.3x so x=160 so y=600-160=440 gallons.
160 gallons of 50% and 440 gallons of 80%.

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3 years ago

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kupik [55]

Answer:

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Step-by-step explanation:

or, x^2(x+9)-6(x+9)=0

or,(x+9)(x^2-6)=0

Either

x+9=0

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4 years ago

How do you shift exponential functions?

dlinn [17]

Shift the graph of f(x)=bx f ( x ) = b x left c units if c is positive and right c units if c is negative. Shift the graph of f(x)=bx f ( x ) = b x up d units if d is positive and down d units if d is negative.

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poizon [28]

There may be a simpler way to solve this question, however if you are currently learning distance formula, then this may be the correct way to solve it.

Answer: D

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I would use the distance formula for this question.

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