3 years ago

This is problem six of the homework that you ask for

Mathematics

1 answer:

Marina86 [1]3 years ago

8 0

This equation could represent the relationship e=8.75h

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John has a boat that will travel at the rate of 15 kph in still water. He can go upstream for 35 km in the same time it takes to

Otrada [13]

Answer:

The boat traveling at 24 kph when John goes downstream.

Step-by-step explanation:

We are given the following in the question:

John has a boat that will travel at the rate of 15 kph in still water.

Let x be the speed of the current.

Speed of boat in upstream

$(15-x)\text{ kph}$

Speed of water in downstream

$(15+x)\text{ kph}$

Relation:

$\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$

We have to find the speed of boat in downstream.

Time to travel upstream for 35 km = Time to travel 140 km downstream

$\displaystyle\frac{35}{15-x}=\frac{140}{15+x}\\\\35(15+x) = 140(15-x)\\525 + 35x = 2100 - 140x\\175x = 1575\\x = 9$

Thus, speed of current is 9 kph.

Speed of boat in downstream = 15 + 9 = 24 kph.

Thus, the boat traveling at 24 kph when John goes downstream.

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3 years ago

What is 7 divided by 2/3

soldier1979 [14.2K]

Answer:

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Step-by-step explanation:

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2 years ago

12x power of 22 -24 power of 5 +16 is divided by x-1

koban [17]

Answer:

the answer is 16

Step-by-step explanation:

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3 years ago

Mr. George owns 425 acres of land. If he divides the land into half-acre plots, how many plots will he have?

ololo11 [35]

He will have 425/(1/2) = 425 x 2 = 850 plots.

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3 years ago

The product of 215 and 2

Dima020 [189]

Answer:

430

Step-by-step explanation:

The "product" means multiply

215*2=430 or you can break it up:

215+215=430

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2 years ago

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