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denis-greek [22]
3 years ago
9

Suppose that y varies directly with x

Mathematics
1 answer:
FromTheMoon [43]3 years ago
3 0
The answer is 1. When y=12 and x=-2 , just take -6 divided by 12 x 2 which is 1z
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7x - 3 = 39 sloving linear equations
xxMikexx [17]
7x - 3 = 39
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6 0
3 years ago
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Robin can mow a lawn in 3 hours, while Brady can mow the same lawn in 4 hours. How many hours would it take for them to mow the
BaLLatris [955]
The answer is <span>twelve sevenths (12/7)
</span>
x - the job<span>
t - time to do the job x

</span><span>Robin can mow a lawn in 3 hours: x/3 * t
</span><span>Brady can mow the same lawn in 4 hours: x/4 * t

</span><span>If they work together, the total work will be the sum of their speeds:
</span>x = x/3 * t + x/4 * t = (x/3 + x/4)*t = (4x/12 + 3x/12) * t = 7x/12 * t

x = 7x/12 * t

Divide both sides by x:
x/x = 7x/12 * t/x
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5 0
3 years ago
2 less than 7 times a number c is written as
sammy [17]

Answer:

7c-2

Step-by-step explanation:

7 times a number c tells us that we want to multiply c by seven. 2 less than tells us that we want to subtract 2 from 7c.

7 0
3 years ago
Find the volume of the sphere
irinina [24]

Answer:

You have to use this formula v = ⁴⁄₃πr³ or another way would be by entering the value of the radius in google calculator.

Step-by-step explanation:

Hope this helped :)

3 0
3 years ago
What is the answer to this question it doesn't state the answer so can you please tell me the answer
DiKsa [7]
I DONT KNOW JUST STRAT WITH THE BEGGINIG OF THE SENTENCE 

5 0
3 years ago
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