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Alexxandr [17]
3 years ago
5

Is it c or d ?im confused on this question

Mathematics
1 answer:
sladkih [1.3K]3 years ago
8 0
It’s D, when lines are perpendicular, the slopes of the lines are opposite reciprocals.
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Merle Fonda opened a new savings account. She deposited $40,000 at 10% compounded semiannually. At the start of the fourth year,
IrinaVladis [17]
Use compound interest formula  F=P(1+i)^n twice, one for each deposit and sum the two results.

For the P=$40,000 deposit,
i=10%/2=5%  (semi-annual)
number of periods (6 months), n = 6*2 = 12
Future value (at end of year 6),
F = P(1+i)^n = 40,000(1+0.05)^12 = $71834.253

For the P=20000, deposited at the START of the fourth year, which is the same as the end of the third year.
i=5% (semi-annual
n=2*(6-3), n = 6 
Future value (at end of year 6)
F=P(1+i)^n = 20000(1+0.05)^6 = 26801.913

Total amount after 6 years
= 71834.253 + 26801.913
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2 years ago
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Step-by-step explanation:

This is the correct answer, further proof in the file attached.

4 0
3 years ago
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I don't know this can someone help me?
Gemiola [76]

Answer:

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Step-by-step explanation:

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The sum of two numbers is 97. One number is 1 more than twice the other number. Find the two numbers.​
guajiro [1.7K]

Answer:

The 2 numbers are 32 and 65.

Step-by-step explanation:

x + y = 97   where x and y are the 2 numbers.

x = 2y + 1

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So x = 2y + 1 = 64 + 1 = 65.

4 0
3 years ago
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