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andre [41]
3 years ago
15

Jack said, " Five times my age in 2 years is 100." How old is Jack now?

Mathematics
1 answer:
ASHA 777 [7]3 years ago
3 0
Jack is 18 years old

First divide 100 by 5 and you get 20, right? 20 is 2 years older than Jack is. So subtract 2 from 20 years and you get 18 years, Jack's age.
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Compound interest is interest earned on both the initial investment and the previously earned interest. An initial amount of mon
lesya [120]
<span>The amount P as a function of t (in years) is given by

P(t) = P0 (1 + r/n)^(t n)

So if n = 4, and r = 0.02, and P0 = 1000, then

P(t) = 1000 (1 + 0.02/4)^(4 t) = 1000 (1 + 0.005)^(4 t)

At the end of the first quarter, t = 1/4, so

P(1/4) = $1000 (1.005)^(1) = $1005

At the end of the second quarter, t = 1/2 , therefore

P(1/2) = $1000 (1.005)^(2) = $1000 (1.010025) = $1010.03

At the end of the third quarter , t = 3/4, therefore

P(3/4) = $1000 (1.005)^(3) = $1000 (1.015075125) = $1015.08

At the end of the year, t = 4, therefore

P(1) = $1000 (1.005)^4 = $1000 (1.020150500625) = $1020.15

As for the second question, after the first period (quarter),
the formula becomes

P = P0 (1.005)^1 = 1.005 P0

which is choice A. </span>
8 0
3 years ago
Pls help hella lost
irga5000 [103]
L = -4,4
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4 0
2 years ago
Help please, and explain(step-by-step) how the answer would be correct.
vekshin1

When a function is reflected, it must be reflected over a line

The new function is: y = |4 -x| -8

The equation is given as:

y = |x + 4| - 8

The rule of reflection over the y-axis is:

(x,y) \to (-x,y)

So, we have:

y = |-x + 4| -8

Rewrite as:

y = |4 -x| -8

Hence, the new function is:

y = |4 -x| -8

Read more about reflections at:

brainly.com/question/938117

8 0
3 years ago
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7 0
3 years ago
Read 2 more answers
What is the standard form of this function?<br> F(x) = -(x-4)^2 + 2
Marysya12 [62]

Answer:

f (x) = -2 (x + 6)^2 + 2

Step-by-step explanation:

f (x) = -2x^2 - 24x - 70 <--- divide out -2 out of the first two terms...

f (x) = -2 (x^2 + 12x) - 70 <-- divide the x coefficient by 2 and then square it, then add AND subtract it)  

f (x) = -2 (x^2 + 12x + (12/2)^2 - (12/2)^2) - 70  

f (x) = -2 (x^2 + 12x + 36 - 36) - 70 <--- distribute the -2 onto -36 to get it out of the brackets..  

f (x) = -2 (x^2 + 12x + 36) + 72 - 70 <-- combine constants and factor perfect square trinomial...  

f (x) = -2 (x + 6)^2 + 2 <-- standard form...

4 0
3 years ago
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