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Ksenya-84 [330]
2 years ago
12

Two accounts earn simple interest. The balance y (in dollars) of Account A after x years can be modeled by y=10x+500. Account B

starts with $400 and earns 5% simple annual interest.

Mathematics
1 answer:
guapka [62]2 years ago
7 0

1)

A has a greater principal

2)

Principal of A is $500, the principal of B is $400, so A's principal is greater by $100

3)

Annual interest rate of A:

10/500 x 100

The interest rate of B is higher.

4) B's annual interest rate is 5% and A's annual interest rate is 2%, so B's is higher by 3%.

Hope this helps! Have a great Tuesday!

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shusha [124]

Answer:

The mean weight of the cats is 11.42 (rounded)

Step-by-step explanation:

To find the mean, you add up all the weights (12, 12, 9, 9, 11, 11, 16) and then divided the sum (80) of the weights by the number of cats (7)

12+12+9+9+11+11+16= 80

80 ÷ 7= 11.42857143 (I rounded my answer to 11.42)

I hope this was helpful. Have a wonderfull rest of your day!

5 0
3 years ago
Need help with this one
steposvetlana [31]

Answer:

∠TRS = 40°

Step-by-step explanation:

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9x - 15 = 3x + 16 + x + 9

9x - 15 = 4x + 25 ( subtract 4x from both sides )

5x - 15 = 25 ( add 15 to both sides )

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x = 8

∠TRS = 3x + 16 = (3 × 8) + 16 = 24 + 16 = 40°

4 0
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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