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sveticcg [70]
3 years ago
15

Solve for n: 12n + 3 – 3n = 30 n = ?

Mathematics
1 answer:
hoa [83]3 years ago
4 0

Answer:

n=3

Step-by-step explanation:

12n-3n=30-3

9n=27

n=27/9

n=3

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Three friends are travelling by aeroplane and want to pay as little as possible in total for their luggage.
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Answer:

B.25$

Step-by-step explanation:

to make the money less one of the freinds will carry 9kg and the other 12 kg the last one carries the left luggage weighing 7kg and 6kg which add up to 13kg.

the first freind won't pay anything as he is passing 9kg luggage

the second will pay : 12-10 =2 so 2kg*5$=10$

the last freind will pay 13-10=3 so 3kg*5$=15$

to find the total money the pay we will add 10$ and 15$ which became 25$.

hope this helped.

4 0
3 years ago
A closed rectangular box has volume 38 cm ^3. What are the lengths of the edges giving the minimum surface area
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Answer:

3.361     3.361     3.361  cm

Step-by-step explanation:

Minimum surface are will be a cube

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L = cubrt (38) = 3.361   side length    cm

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2 years ago
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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please help due soon!!!
butalik [34]

Hey there!


Question #1.
2^6 + (2^3)^3

= 64 + (8)^3

= 64 + 8^3

= 64 + 512

= 576


Therefore, the answer should be:

Option A. 576


Question #2.
11^-4 * 11^8

= 1/14,641 * 214,358,881

= 14,641

≈ 11^4

Therefore, the answer should be:

Option C. 11^4


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

3 0
2 years ago
Read 2 more answers
Pls help me solve this one please..<br> (3/4)to the 2nd power +(1/2)to the second power
andriy [413]
9/16 + 1/4
9+4/16
13/16

Alternative form
0.8125
5 0
3 years ago
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