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Sidana [21]
3 years ago
5

Sam is driving home from college. He is 220 miles away from home. If he can make it home in 4 hours, at what speed or velocity i

s he driving?
[Hint: Use d = vt.]
Mathematics
1 answer:
yan [13]3 years ago
3 0
Answer: 55 miles per hour

Explanation: that hint is really useful
So if distance = velocity x time
That means 220 = v x 4 hours
To find v, divided 220 by 4
220 divided by 4 = 55
But I have a question:
Is he driving at a constant speed?
and is this 6th grade math? I’m in that grade but you can trust my answer
If im wrong, someone pls correct me
If im right, mark me brainliest pls, im broke, i have no points-
Goodluck!
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Rex drove 258.5 miles in 5.5 hours. what is his average rate of speed?
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answer:

47

Step-by-step explanation:

258.5/5.5=47

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3 years ago
Solve for 3/4u = 12<br> .<br> Simplify your answer as much as possible.
Wittaler [7]

Answer:

u = 16

Step-by-step explanation:

Given

\frac{3}{4} u = 12

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3 years ago
The California Tiger Salamander is an endangered species, which decreases at the rate of 4.6% per year in a habitat that current
stellarik [79]

Answer:

Population after 4 years = 49 (nearest unit)

Population after 5 years  = 47 (nearest unit)

Step-by-step explanation:

Yearly decrease = 4.6%

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Current population, P = 60

population after n years = P(0.954)^n  (to the nearest unit)

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Population after 5 years  = 60(0.954)^5 = 47.4 = 47 (nearest unit)

5 0
3 years ago
Read 2 more answers
Which of the following rational number between 3/7 and 7/8 ?
Charra [1.4K]

Answer:

Step-by-step explanation:

There are two ways to do this. You could use your calculator to find out the decimal numbers that are equivalent to the two given fractions. Then check which one of the givens falls between these two numbers. I wouldn't do it that way -- not when you are told that the answer has 56 as the denominator.  So ...

The best way to do it is to change the two givens so that they have a denominator of 56

3/7 = 3*8/7*8 = 24 / 56

7*7 / 7*8 = 49 / 46

So you need a number that is between 49 and 24

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6 0
3 years ago
Work
liubo4ka [24]

Answer:

Step-by-step explanation:

the quotient of is the result of dividing two terms

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The second term is - and 12: 12 2t÷12or 2t12

7 0
2 years ago
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