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Leya [2.2K]
3 years ago
13

4. -7 = 3k - 3-7 this one to please lol

Mathematics
2 answers:
evablogger [386]3 years ago
8 0

Answer:

7/3

Step-by-step explanation:

4 - 7 = 3k - 3-7    

=> -3 = 3k - 10    

=> -3 + 10 = 3k  

=> 7 = 3k    

=> 7/3 = k

=> k = 7/3

Free_Kalibri [48]3 years ago
4 0

Answer:

7/3 =k

Step-by-step explanation:

4. -7 = 3k - 3-7

Combine like terms

-3 = 3k-10

Add 10 to each side

-3+10 = 3k-10+10

7 = 3k

Divide each side by 3

7/3 = 3k/3

7/3 =k

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A computer store buys a computer system at a cost of $357.60. The selling price was first at $596,
I am Lyosha [343]

Answer:

238.40

Step-by-step explanation:

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5 0
3 years ago
What is the volume of a hemisphere with a diameter of 45.7 m, rounded to the nearest tenth of a cubic meter?
worty [1.4K]

24987.2 meters cubed.

Step-by-step explanation:

A Hemisphere is 1/2 of a sphere, so let's find the volume of a sphere and then cut it in half.

The volume of a sphere is V= (4/3)πr3

The diameter is double the size of the radius, so we can find r, the radius, by dividing the diameter,

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so the volume of the sphere is (4/3)π(22.85 meters)3, which is 49974.35787 meters cubed.

Since we're actually looking for the Hemisphere, we can divide this volume in half to get the volume of the hemisphere as 24987.17894 meters cubed.

And because the answer must be to 1/10th of a cubic meter, that means we only want one decimal point. So we round to 24987.2 meters cubed.

6 0
3 years ago
HELPPPPPP I REALLLY NEED THIS DONE!!!! ILL MARK YOU AS BRAINIEST!!!!
sashaice [31]

Answer:

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Step-by-step explanation:

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4 years ago
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Answer:

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4 0
3 years ago
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Step-by-step explanation:

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3 years ago
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