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navik [9.2K]
2 years ago
9

The amount of money in Malik's bank account 3 years ago was $1,000. This year his balance is $1,900.

Mathematics
2 answers:
seraphim [82]2 years ago
7 0
He saved up around 300 a year
Alborosie2 years ago
4 0

Answer:

he gained 900 dollars.

Step-by-step explanation:

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A profit of a football club after a takeover is modeled by p(t) = t3 - 14t2 + 20t + 120, which t is the number of years after th
Bogdan [553]
T = 5, so after 5 years
p(t) = t^3 - 14t^2 + 20t + 120

Take derivative to find minimum:
p’(t) = 3t^2 - 28t + 10

Factor to solve for t:
p’(t) = (3t - 2)(t - 5)
0 = (3t - 2)(t - 5)

0 = 3t - 2
2 = 3t
2/3 = t

Plug 2/3 into original equation, this is a maximum. We want the minimum:

0 = t - 5
5 = t

Plug back into original:
5^3 - 14(5)^2 + 20(5) + 120
125 - 14(25) + 100 + 120
125 - 350 + 220
- 225 + 220
p(5) = -5
6 0
3 years ago
2. Given f(x) = 4x -2 and g(x) = x2 + 1, evaluate:
Novosadov [1.4K]

Answer:

a).

f(5) = 18

b).

g(-3) = 10

c).

g(x-2) = x²- 3

d).

f(g(x)) = 4x²- 1

3 0
2 years ago
How do I solve this question?
Juli2301 [7.4K]

11 because if you count the spaces between the two places, the answer would be 11.

3 0
3 years ago
Read 2 more answers
Help Please!! I am not sure what to do?
Iteru [2.4K]

Answer:

10 < \sqrt{111} < 11

Step-by-step explanation:

The square root of 111 is approximately 10.536.

A number smaller than this is 10.

A number larger than this is 11.

5 0
3 years ago
Which of the following describes independent events A and B?
galina1969 [7]
I think it is going to be 3. please let me know if you need more information
4 0
2 years ago
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