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Dahasolnce [82]
2 years ago
15

50 points!!

Mathematics
1 answer:
Anika [276]2 years ago
4 0

Step-by-step explanation:

The average speed is distance over time.

34 mi / 0.5 hr = 68 mph

Therefore, the driver must have been speeding at some point between the two toll booths.

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Do any of you know how to do this
Gre4nikov [31]

Answer:

(x + 5)

Step-by-step explanation:

{x}^{2}  + 8x + 15 \\  {x}^{2}  + 3x + 5x + 15 \\ x(x + 3)5(x + 3) \\ (x + 3)(x + 5) \\ length \:  =  \frac{(x + 3)(x + 5)}{(x + 3)}  \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: = (x  + 5)

5 0
2 years ago
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What quantity of a 65% acid solution must be mixed with a 25% solution to produce 600 mL of a 45% solution?
soldier1979 [14.2K]
Lets say x is quantity
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3 years ago
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snow_tiger [21]

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Step-by-step explanation:

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2 years ago
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Pat has been assigned the job of picking apples from the family orchard. He could do the job alone in 8 hours. He knows that his
schepotkina [342]

Answer:

3.7 hours

Step-by-step explanation:

Pat could do the job alone in 8 hours.

Patti could do the job alone in 7 hours

Output = Rate * time

Let the rate at which pat does the work = Rp

Let the rate at which Patti does the work = Rt

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Rp * 8 = X

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Rt * 7 = X

Rt = X/7

If both pat and Patti pick apples, we have

(Rp+Rt)T = X

(X/8 + X/7)T = X

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[X(7+8)/56]T = X

Divide both sides by X

[(7+8)/56]T = 1

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8 0
3 years ago
A. 5<br> b. 7<br> c. 9<br> d. 11<br><br> PLEASE HELPPP I WILL GIVE BRILLIANT!!!
antiseptic1488 [7]

Answer:

B : 7

Step-by-step explanation:

4 0
3 years ago
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