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Ksenya-84 [330]
3 years ago
6

How do i solve this???

Mathematics
1 answer:
Leni [432]3 years ago
6 0

This will help u and hope its right .

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Carolyn has $2.55 in her purse in nickels and dimes. The number of nickels is nine less than three times the number of dimes. Fi
Flauer [41]

Hi, the answer is ;

Answer:

12 dimes and 27 nickels

Step-by-step explanation:

.05N + .1d = 2.55

N= 3d - 9

0.05 (3d-9) + 0.1d = 2.55

0.15d - 0.45 + 0.1d = 2.55

0.25d = 2.55 + 0.45

0.25d = 3

D = 12

N = 3 (12) - 9

N = 36 - 9

N = 27

5 0
3 years ago
Jason borrowed $6,000 at 8% simple interest for 2 years. how much does he pay back? how much interest did he pay?
Step2247 [10]
6000 x 0.08 x 2 = 960

answer: interest $960

hope that  helps
3 0
3 years ago
A cake has two layers. Each layer
Fed [463]

Answer:

Volume of slice is  40 in³

Volume of the remaining cake is 197.014 in³

Step-by-step explanation:

hope this helps!!

brainliest please?

7 0
2 years ago
if a 100 n weight sits on a scale in a express elevator, what will happen to the weight shown on the scale when the elevator acc
Whitepunk [10]

Answer:

The phrasing of the question is weird, but the mass should not change. The scale may read higher for a moment, but once the mass is brought up to the same velocity of the elevator, it should settle back to 100.

4 0
3 years ago
The base of a pyramid has n sides. write an expression for the number of corners on the pyramid.
melisa1 [442]

Answer:

n+1

If a pyramid has n number of sides

⇒number of vertices in the base = n

Since in a pyramid there is one vertex on the top,and n number of faces are on the sides,and one face is in the base.

Total number of faces of pyramid = n+1

7 0
3 years ago
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