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Iteru [2.4K]
3 years ago
14

A train leaves miami at 1:00 pm. a second train leaves the same city in the same direction at 7:00 pm. the second train travels

162mph162⁢mph faster than the first. if the second train overtakes the first at 9:00 pm, what is the speed of each of the two trains?
Mathematics
1 answer:
Dahasolnce [82]3 years ago
8 0
184 i guess would be ur answer.
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Ayala biked 12.76 miles on Sunday, 3.45 miles on Monday, and 6.52 miles on Tuesday. Over those three days, about how many miles
agasfer [191]

Answer:

23 miles

Step-by-step explanation:

12.76=13

3.45=3

6.52=7

13+3+7=23

3 0
2 years ago
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Lars deposited $50 into a savings account for which interest is compounded quarterly. According to the rule of 72, what interest
Ivanshal [37]

Answer: C 2.5%


Step-by-step explanation:

The "Rule of 72" is a easy way to calculate how much time an investment will take to double with a given fixed annual rate of interest.

Just we have to divide 72 by the annual rate of return(r), we can get a rough estimate of how many years it will take to double the initial investment .

Now, in given problem: Let 'r' be the rate of interest

Time to double the amount=29 years

Thus by rule 72 ,

\frac{72}{r}=29\\\Rightarrow\ r=\frac{72}{29}=2.4827\%\approx2.5\%

Therefore, C is the right option.


3 0
3 years ago
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The perimeter of a rectangle is 22cm. the area is 28cm2. what are the lengths of the sides ?​
MissTica

Answer: length: 7cm

width:4cm

Step-by-step explanation:

Area: L × W

7×4=28

Perimeter =L±L+W+W

7+7+4+4=22

7 0
2 years ago
?????????????????????
anyanavicka [17]

Answer:

It would be 1/8

Step-by-step explanation:

32 divided by 4 is 8

8 0
2 years ago
Find the sum of the measures of the angles in the polygon.
yan [13]
It's an octagon.

The sum of the measures of the angles in the polygon with n sides:

S = 180°(n - 2)

n = 8

S = 180°(8 - 2) = 180° · 6 = 1080°

Answer: 1080°
4 0
3 years ago
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