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My name is Ann [436]
2 years ago
7

the sum of three numbers is 131. The second of three numbers is seven more than twice the first. The third number is 12 less tha

n first . What equation can be used to solve the problem
Mathematics
1 answer:
spin [16.1K]2 years ago
3 0
No. 1 = x
No. 2 = 2x+7
No. 3 = x-12

Answer:

x+(2x+7)+(x-12) = 131

From there you solve to get the numbers:

34, 75 and 22
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3 years ago
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3 years ago
How much would 400$ invested at 9% interest compounded continuously be worth after 3 years
ryzh [129]

Answer:

=

$

518.01

Explanation:

compound interest formula $A = P*(1+R)^n#

P

=

$

400

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r

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.09

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n

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3

Substituting the values, we get A =  

400

⋅

(

1.09

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=

$

518.01


From my alt account from, https://socratic.org/questions/how-much-would-400-invested-at-9-interest-compounded-continuously-be-worth-after

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2 years ago
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seropon [69]
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gavmur [86]

Answer:

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Step-by-step explanation:

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