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shepuryov [24]
3 years ago
11

In the piece-wise function graphed below, which is the correct equation for when

Mathematics
1 answer:
Sophie [7]3 years ago
8 0

Answer:

y= 3x+5

Step-by-step explanation:

I took the test and got a 90%.

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What is the length of the missing leg? If necessary, round to the nearest tenth.
Marrrta [24]

<u>Answer:</u>

  • The length of the hypotenuse is 33 yards.

<u>Step-by-step explanation:</u>

<em>We can solve for 'a' using Pythagoras theorem. Let's solve it.</em>

  • 65² = b² + 56²
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Hence, the length of the hypotenuse is 33 yards.

Hoped this helped.

BrainiacUser1357

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2 years ago
Beginning one month after birth of their son, Noah, the Nelsons deposited $100 each month in an annuity for his college fund. Th
gizmo_the_mogwai [7]

Answer:

$100 * (1 + 6.8%/12)^216 + $100*(1+6.8%/12)^215 + ... + $100*(1+6.8%/12)^1  

Now note that  

x + x^2 + x^3 + ... + x^N = x ( 1 + x + ... + x^(N-1) )  

= x ( (x^N -1)/(x-1) )  

Here, x = 1+6.8%1 = 1.00566666 and N = 216, so  

$100 * ( 1.00566666 ( 1.00566666^216 -1) / 0.00566666 )  

= $ 42398.33  

The total interest earned is $42,398 - $21,600 = $20,798

Step-by-step explanation:

The generic formula used in this compound interest calculator is V = P(1+r/n)^(nt)

V = the future value of the investment

P = the principal investment amount

r = the annual interest rate

n = the number of times that interest is compounded per year

t = the number of years the money is invested for

8 0
4 years ago
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