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3 years ago

What is the answer?

Mathematics

1 answer:

ValentinkaMS [17]3 years ago

8 0

Answer:

Step-by-step explanation:

slope =4, y intercept = -6

sorry I currently don't have enough time to explain the calculation

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If a boat goes downstream 72 miles in 3 hours and upstream 60 miles in 6 hours, the rate of tug he river and the rate of the boa

VashaNatasha [74]

Answer: rate of tug of the river = 7 miles per hour

rate of the boat = 17 miles per hour

Step-by-step explanation:

Let the speed of the boat be x miles per hour

Let the speed of the tug of the river be y miles per hour

Speed = distance / time

If a boat goes downstream 72 miles in 3 hours, the the speed is

72/ 3 = 24 miles per hour

Since the speed is higher than when it went upstream, it means that it moved in the same direction with the wind hence, it moved in still water.

The total speed would be x -y. Therefore

x + y = 24 - - - - - - -1

If a boat goes downstream 60 miles in 6 hours, the the speed is

60/ 6 = 10 miles per hour

Since the speed is lower than when it went downstream, it means that it moved in the opposite direction of the tug of the river.

The total speed would be x -y. Therefore

x - y = 10 - - - - - -2

Adding equation 1 and equation 2

2x = 34

x = 34/2 =17

y = 24 - x = 24 - 17

y = 7

3 0

4 years ago

The answer please..:.....

Ivenika [448]

Answer:

566

Step-by-step explanation:

3 0

3 years ago

The weight of an African elephant is 6 × 106 grams; the weight of a tiger is 3 × 105 grams. How many times heavier is the elepha

Otrada [13]

I got 20. 6 x 10^6/3 x 10^5 = 2 x 10^1 = 2 x 10 = 20

6 0

4 years ago

Round 2236.82236.82236, point, 8 to the nearest ten

dsp73

2236.82236.82236.8 rounded to the nearest tenth is 2236.82236.8.

4 0

3 years ago

Let d be the number of dollars you spent on gas and let g be the number of gallons you purchased. Which expression represents th

Marianna [84]

Answer:

The expression represents the price you paid per gallon is:

Price paid per gallon = $\frac{d}{g}$

Step-by-step explanation:

To identify the expression is right, I'll show you with an example: suppose that you paid $56 buying 7 gallons of gas, now you can replace those values in the expression I gave you:

Price paid per gallon = $\frac{d}{g}$
Price paid per gallon = $\frac{56}{7}$
Price paid per gallon = 8

And you can check this value by multiplying the price paid by the gallon and the number of gallons, which you obtain the number of dollars you spent:

<u>Number of dollars (d) = 8 * $7 = $56 </u>

3 0

3 years ago