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Len [333]
3 years ago
8

PLEASE READ THE TWO PHOTOS I'VE ATTACHED!!!

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
8 0
Answer:
5 hours
Explanation:
75 + 25h = 40h
75 = 15h
h = 5
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Answer this plssss<br> You’ll get a brainliest crown
andre [41]

Answer: C.

Step-by-step explanation:

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Sally gave her brother $3.95 in quarters and dimes. if the number of quarters is 6 more than the number of dimes, how many quart
WARRIOR [948]
13 quarters
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I need help on this one and the one at the bottom
KiRa [710]
The last awnser is 15x + 2 and the first one is explained below:
 65 X 1.5 = 97.5
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4 years ago
Where are the points supposed to go
uranmaximum [27]

Here are the points

(-2,-1)

(-1,-3.5)

(0,-6)

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4 0
3 years ago
A motorboat goes downstream in river and covers a distance between to coastal towns in 5 hours . It covers this distance upstrea
Radda [10]

Answer:

The speed of the boat in still water is 33 km/h

Step-by-step explanation:

Let us denote the speed of the boat in still water as x km/h.

Thus;

Since the speed of the stream is 3 km/h, then while going downstream, the total speed on the boat would be; (x + 3) km/h

Formula for distance = speed x time

Since we are told that the time taken to cover the distance downstream is 5 hours, then;

Distance covered in 5 hours = 5(x + 3) km

Therefore, distance between A and B is 5(x + 3) km

However, while going upstream the boat will work against the water current.

Therefore, its speed upstream will be (x − 3) km/h.

we are told that the time taken to cover the distance downstream is 6 hours, then;

Distance covered in 6 hours = 6(x − 3) km

Therefore, distance between A and B is 6(x - 3) km

The true distance between A and B has to be the same.

So,

5(x + 3) = 6(x - 3)

This gives;

5x + 15 = 6x - 18

15 + 18 = 6x - 5x

x = 33

Therefore, the speed of the boat in still water is 33 km/h

3 0
3 years ago
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