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den301095 [7]
3 years ago
11

If f(x) = -x3 + 2x2 - 3, find f(2).

Mathematics
2 answers:
algol [13]3 years ago
5 0
F(x)= -2(3)+2(2)2-3=

-6+8-3

-1

I think I solved this correctly....
BaLLatris [955]3 years ago
4 0

Answer:

-3 is the answer


Step-by-step explanation:


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A video company randomly selected 100 of its subscribers and asked them how many hours of shows they watch per week. Of those su
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Answer:

1,135 people

For every 100 people only 45 people watch more than 10 hours per week. So, the ratio is (45/100), since the company has 2500 we want to know what (x/2500) is. The total ratio becomes (1,135/2,500).

The number is found by dividing 2500 by 100 to receive the common factor of 25. You multiply 45 by 25 to receive your total answer.

Step-by-step explanation:

For every 100 people only 45 people watch more than 10 hours per week. So, the ratio is (45/100), since the company has 2500 we want to know what (x/2500) is. The total ratio becomes (1,135/2,500).

The number is found by dividing 2500 by 100 to receive the common factor of 25. You multiply 45 by 25 to receive your total answer.

8 0
3 years ago
If the side of every square is 2 centimeters, how many centimeters is the circumfence of the figure?
Mandarinka [93]

Answer:

<h2>          76 cm</h2>

Step-by-step explanation:

|FE| = |CB| = 4\cdot2=8\,cm\\\\|ED|=|DC|= \sqrt{(3\cdot2)^2+(4\cdot2)^2}= \sqrt{6^2+8^2}=\sqrt{100}=10\,cm\\\\|FA|=|AB|= \sqrt{(6\cdot2)^2+(8\cdot2)^2}= \sqrt{144+256}=\sqrt{400}=20\,cm\\\\\\Circumference = FE+ED+DC+CA+AB+FA\\\\Circumference =8+10+10+8+20+20=76\,cm

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Answer:

y=2x+b

Step-by-step explanation:

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