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Placement Papers with Solutions

(#M40145678) EXAM QUESTION Keep an EYE

Hi, Can anyone help with this word problem? The height h in feet of an object after t seconds is given by the function h = -16t2 + 20t + 5. How long will it take the object to hit the ground? Round your answer to the nearest thousandth.

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(#M40145677) EXAM QUESTION Keep an EYE

Simplify the followin: 4(2a-b)-3(a-2b)

This is what I have: 5a+2b is this right?

Thanks, Lackinmath

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(#M40145676) EXAM QUESTION Keep an EYE

the mass of an object varies jointly within its density and its volume. If 156 grams of iron has a volume of 20 cm^3 and a density of 7.8 gm/cm^3, what is the volume of 312 grams of iron with the same density?

Answer:(blank)cu.cm.

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(#M40145675) EXAM QUESTION Keep an EYE

Can you please help me solve the problem...instructions...solve the system by substitution.

3x - 2y = -19
y = 2x + 12

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(#M40145674) EXAM QUESTION Keep an EYE

Solve this system of inequalities graphically.

3x - y is less than or equal to 6
x is greater than or equal to 1
y is less than or equal to 3

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(#M40145673) EXAM QUESTION Keep an EYE

Please help me solve this equation:(b+1/3=2

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(#M40145672) EXAM QUESTION Keep an EYE

Arrange in descending-exponent form if necessary, and give the degree of each polynomial.

-x^2-5x-6,x=-3 and x=-2

Asked In exam (10 years ago)

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(#M40145671) EXAM QUESTION Keep an EYE

3/4 -8 +3 second power
---
-2

My answer came to be a 3. Can you please let me know if this is correct.

Thank-you,

Asked In exam (10 years ago)

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(#M40145670) EXAM QUESTION Keep an EYE

I need help in finding the solutions to x^2+2(pie)=0.

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(#M40145669) EXAM QUESTION Keep an EYE

A bag contains two white marbles and one yellow marble. The marbles are randomly selected one at a time. What are the odds of picking the yellow marble on the first selection?

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