2 years ago

F(x)=2x^2+8x find f(-1)

Mathematics

1 answer:

____ [38]2 years ago

5 0

Answer:

it should be 17

Step-by-step explanation:

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Answer the following questions: 2/3 is what percent of 1/4?

Zolol [24]

Answer:

1/2 or 0.5

Step-by-step explanation:

To find out what 2/3 is out of 3/4, we just have to multiply them together to get our exact answer.

$\frac{2}{3} *\frac{3}{4}=\frac{6}{12}=\frac{1}{2}$

Our final answer is 1/2 or 0.5.

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3 years ago

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During migration 450000 sandhill cranes stop rest in nebraska. about 0.6% of these cranes also stop in to rest in oregon. about

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Answer:

2700, my friend. :P

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3 years ago

Find the 13th term of the geometric sequence 3, -15, 75, ...

Maksim231197 [3]

Step-by-step explanation:

$an = a1 + (n - 1)d \\ d = a2 - a1 \\ a1 = 3 \\ a2 = - 15 \\ d = - 15 - 3 = - 18$

$a13 = 3 + (12) \times ( - 18) \\ a13 = 3 - 216 \\ a13 = - 213$

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2 years ago

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Twenty-six students apply to serve as an usher at a school function. Eight of the those applying are freshmen, 7 are sophomores,

Gelneren [198K]

Answer:

Step-by-step explanation:

from usatestprep:

The situation is not an example of uniform probability because freshmen, sophomores, juniors, and seniors do not have equal probabilities of being selected.; Uniform probability → equal probability of being selected

P(freshman) =

; P(sophomore) =

7 /

; P(junior) =

6 /

; P(senior) =

5 /

; unequal probabilities → not uniform

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3 years ago

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What is the constant of proportionality in the equation<br> X/y=2/9

mart [117]

Answer:

the answer is 2/9

Step-by-step explanation:

x/y=2/9

y=9/2 x

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3 years ago