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2 years ago

How to solve -5y-y=1

Mathematics

2 answers:

goldenfox [79]2 years ago

5 0

Since both y’s are negative you can combine them to make -6y=1 then you divide -6 on each Side to get y=6

Kisachek [45]2 years ago

5 0

Answer:

1 Simplify -5y-y to -6y

-6y=1

2 Divide both sides by -6

y=−1/6

Decimal Form: -0.166667

Step-by-step explanation:

hope it helps plz Mark me brainliest

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2 years ago

last week, Jim worked h hours and earned $9 per hour. if he earned a total of $405, which equation can be used to find out how m

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3 years ago

During a sale price, a dress is marked is mark down from a selling price of $68 to a sale price of $44.20 what Is the percent ma

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Step-by-step explanation:

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2 years ago

A conical container can hold 120π cubic centimeters of water. The diameter of the base of the container is 12 centimeters.

Tanzania [10]

Answer: The height of the container is 10 centimeters. If its diameter and height were both doubled, the container's capacity would be 8 times its original capacity.

Step-by-step explanation:

The volume of a cone can be calculated with this formula:

$V=\frac{\pi r^2h}{3}$

Where "r" is the radius and "h" is the height.

We know that the radius is half the diameter. Then:

$r=\frac{12cm}{2}=6cm$

We know the volume and the radius of the conical container, then we can find "h":

$120\pi cm^3=\frac{\pi (6cm)^2h}{3}\\\\(3)(120\pi cm^3)=\pi (6cm)^2h\\\\h=\frac{3(120\pi cm^3)}{\pi (6cm)^2}\\\\h=10cm$

The diameter and height doubled are:

$d=12cm*2=24cm\\h=10cm*2=20cm$

Now the radius is:

$r=\frac{24cm}{2}=12cm$

And the container capacity is

$V=\frac{\pi (12cm)^2(20cm)}{3}=960\pi cm^3$

Then, to compare the capacities, we can divide this new capacity by the original:

$\frac{960\pi cm^3}{120\pi cm^3}=8$

Therefore, the container's capacity would be 8 times its original capacity.

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2 years ago

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