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FinnZ [79.3K]
3 years ago
7

Shelley drove from New Haven, Connecticut, to New York City in 90 minutes. Which equation relates the distance she traveled to h

er speed?
a.distance = speed + 90
b.distance = speed × 90
c.distance − speed = 90
d.distance × 90 = speed
Mathematics
1 answer:
lisov135 [29]3 years ago
3 0

Answer:

b

Step-by-step explanation:

d = r * t

None of them are really correct, but the closest one is B. Look at the equation. Rate is multiplied by time. The result is distance.

The 90 minutes should be changed to hours.  No speedometer on a car is rated in feet per second.

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Lesechka [4]

Answer:

Step-by-step explanation:

p^2-8p-9

factor out the trinomial

(p-9)(p+1)

Therefore, she's incorrect. Because (p-1)(p+9)=p^2-p+9p-9=p^2+8p-9 and that's different from p^2-8p-9.

5 0
3 years ago
write an equation for the amount of money, m that will be collected if b boxes of chocolate are sold.
Digiron [165]

Answer:

m = b(t)

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4 0
3 years ago
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An observer (O) is located 900 feet from a building (B). The observer notices a helicopter (H) flying at a 49° angle of elevatio
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Answer:

1035.33 feet

Step-by-step explanation:

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I hope it helps

6 0
3 years ago
9a-4(2a+5).<br> I really need help with this question
slava [35]

First you had to expanded form.

-4(2a+5)=-8a-20

9a-8a-20

Finally you can also add by similar to elements.

9a-8a=a

a-20

Final answer: \boxed{=a-20}

Hope this helps!

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8 0
3 years ago
Is this right ? Geometry
elixir [45]
No, 12 is the wrong answer. 5 is correct

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