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bezimeni [28]
3 years ago
15

The circumference for a circle that has a radius or 7 inches is

Mathematics
1 answer:
lidiya [134]3 years ago
7 0
Circumference
C=2πr
C=2(3.14)(7)
C=(3.14)(14)
C=43.96
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Maria has recently retired and requested an extra ​$444.00 per year in income. She has $ 5400 to invest in an​ A-rated bond that
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Answer:

$2400 in A rated bond and $3000 in B rated bond.

Step-by-step explanation:

We have been given that Maria has recently retired and requested an extra ​$444.00 per year in income.

We can represent this information in an equation as:

A+B=5400...(1)

She has $5400 to invest in an​ A-rated bond that pays 10% per annum or a​ B-rated bond paying 6% per annum.

0.10A+0.06B=444...(2)

From equation (1), we will get:

A=5400-B

Substitute this value in equation (2):

0.10(5400-B)+0.06B=444

540-0.10B+0.06B=444

540-0.04B=444

540-540-0.04B=444-540

-0.04B=-96

\frac{-0.04B}{-0.04}=\frac{-96}{-0.04}

A=2400

Therefore, Maria should invest $2400 in A-rated bond.

Substitute A=2400 in equation (1):

2400+B=5400

2400-2400+B=5400-2400

B=3,000

Therefore, Maria should invest $3000 in B-rated bond.

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Point A is at (-7, -7) and point M is at (-6, -1).
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Answer:

-6,-3

Step-by-step explanation:

   

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