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2 years ago

Help pleaseeeeee fast

Mathematics

2 answers:

igomit [66]2 years ago

6 0

The answer is A
Hopeful this helps

lilavasa [31]2 years ago

5 0

Answer:

The answer is A.) KM=10.

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Pipe A can fill a tank in 5 hours. Pipe B can fill the same tank in 7 hours. If both pipes were open, how long would it take the

-BARSIC- [3]

Answer:

It would take them 6 hours to fill an empty tank.

Step-by-step explanation:

Add the amount of time it takes Pipe A and Pipe B to fill an empty tank together (5 + 7) and then divide your sum by two. You should get 12 / 2 = 6.

<em>Hope This Helps!</em>

8 0

3 years ago

at the cafe, Rebecca can choose to earn $10 per hour plus a $60 starting bonus or earn $12 per hour with no starting bonus. afte

qwelly [4]

Hi there! The answer is 30 hours.

Let the number of worked hours be represented by X.

The total earn of option 1, would then be 10X + 60
The total earn of option 2, would then be 12X

We end up with the following equation:
$10x + 60 = 12x$
Subtract 10X from both sides.

$60 = 2x$
Divide both sides by 2.

$x = 30$
Therefore, after 30 hours of work Rebecca will earn the same amount of money.

8 0

3 years ago

Tyler and Daniel each deposited money into different banks with different savings plans. Tyler went to

mario62 [17]

Answer:

Step-by-step explanation:

Tyler, because his money is increasing exponentially.

I finished taking the test and got it right :)

7 0

3 years ago

the perimeter of a rectangle is a 192ft. the ratio of its length to its width is 7:5. what are the dimensions of the rectangle?

Yuliya22 [10]

Answer:

L = 56, W = 40

Step-by-step explanation:

192 = 14x + 10x

x = 8

length = 8*7 = 56

width = 5*8 = 40

6 0

3 years ago

The force of gravity on an object varies directly with its mass. The constant of variation due to gravity is 32.2 feet per secon

castortr0y [4]

Answer:

Step-by-step explanation:

According to newton second law, the force of gravity on an object varies directly with its mass and it is expressed mathematically as Fαm i.e

F = mg where;

F is the force of gravity

m is the mass of the body

g is the proportionality constant known as the acceleration due to gravity.

If the constant of variation due to gravity is 32.2ft/s², the equation that represents F, the force on an object due to gravity according to m, the object’s mass can be gotten by substituting g = 32.2 into the formula above according to the law as shown;

F = m*32.2

F =32.2m

Hence the required equation is F = 32.2m

5 0

4 years ago

Read 2 more answers