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schepotkina [342]
2 years ago
6

9n + 18(2n - 6) + 13 No Links plz​

Mathematics
1 answer:
fgiga [73]2 years ago
3 0

Answer:

9n+18(2n-6)+13

Step-by-step explanation:

First, use distributive property to eliminate the parenthesis:

9n + 18(2n -6) + 13

9n + 36n - 108 + 13

Next, combine like terms:

9n + 36n - 108 + 13

45n - 108 + 13

45n + 121

Hope this helps!!

Alan~

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What is the surface area to volume ratio of a 5 cm cube?
joja [24]
Answer: 6/5

Explanation:
Given: 5cm cube
This means each side is 5 cm because a cube has equal sides.

Area of a square is length times width so area of 1 side of a cube:
= 5 x 5
= 25

Surface area is the area of one side of a cube times the number of sides. Now, how many sides does a cube have? 6
= 25 x 6
= 150

Surface area of a 5cm cube = 150

Volume is length times width times height:
= 5 x 5 x 5
= 125

Ratio of surface area to volume:
= 150/125
= 6/5
6 0
3 years ago
At a dinner, one meal cost $22 and a sales tax of $1.87 was added to the bill.
raketka [301]

Answer:

5.61; 8.5 %

Step-by-step explanation:

Tax = $1.87 per $22 meal

For a $66 meal,

Tax = 66 × 1.87/22

Tax = 3 × 1.87

Tax = $5.61

=====

Tax rate = 1.87/22 × 100

Tax rate = 0.085 × 100

Tax rate = 8.5 %

3 0
2 years ago
PLEASE HELP ILL GIVE BRAINLIEST
gogolik [260]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
R= 0.75s for s solving for a variable ANSWER PLEASE ASAP
Butoxors [25]

Answer:

S= 1.<u>3</u>r

Step-by-step explanation:

The 3 is underlined because it was suppose to go on top of the 3 but it didn't give me the option but that means infinity of 3

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7 0
3 years ago
Please help me anyone, please
iVinArrow [24]

Answer:

C

Step-by-step explanation:

Chaz is 3 years younger than 4 times the age of his nephew

n is the age of the nephew.

4 times the age of the nephew.

So you now have 4n.

Now you gotta subtract 3 from 4n which gets you to choice C.

4n - 3

7 0
3 years ago
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