2 years ago

Okay here are more math problems.

Mathematics

2 answers:

wlad13 [49]2 years ago

8 0

Actually it would be b/3 < 16 with a line under it.

Vinil7 [7]2 years ago

6 0

Answer:

the inequality would be, b/3<=16

Step-by-step explanation:

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The product of r and 8

mr Goodwill [35]

Answer:

I believe it'd be 8r.

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2 years ago

Find the points on the curve y = 2x3 + 3x2 − 12x + 7 where the tangent line is horizontal.

kramer

Try this solution.Answers are marked by green.
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2 years ago

Robin can mow a lawn in 3 hours, while Brady can mow the same lawn in 4 hours. How many hours would it take for them to mow the

BaLLatris [955]

The answer is twelve sevenths (12/7)

x - the job
t - time to do the job x

Robin can mow a lawn in 3 hours: x/3 * t
Brady can mow the same lawn in 4 hours: x/4 * t

If they work together, the total work will be the sum of their speeds:
x = x/3 * t + x/4 * t = (x/3 + x/4)*t = (4x/12 + 3x/12) * t = 7x/12 * t

x = 7x/12 * t

Divide both sides by x:
x/x = 7x/12 * t/x
1 = 7/12 t
t = 1 : 7/12
t = 12/7

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2 years ago

What do the following two equations represent?

Pavlova-9 [17]

Answer:

yea 24

Step-by-step explanation:

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2 years ago

Devin borrowed $1,058 at 13 percent for nine months. What will he pay in interest?

Viktor [21]

Devin borrowed $1,058 at 13 percent for nine months.