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Lerok [7]
3 years ago
5

I WILL GIVE BRAINLIEST

Mathematics
1 answer:
seropon [69]3 years ago
6 0

Answer:

(-5, -4)

Step-by-step explanation:

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F(x)=-5x^2+2x-1. Find: f(-a)
lyudmila [28]

Answer:

f(x) = 5 {x}^{2}  + 2x - 1 \\ f( - a) = 5 {( - a)}^{2}  + 2 \times  - a - 1  \\  = 5 {a}^{2}   - 2a - 1 \\ thank \: you

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2 years ago
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A gas station has a cylindrical fueling tank that holds the gasoline for its pumps, as modeled below. The tank holds a maximum o
IRINA_888 [86]

Answer:

\boxed{ \text{10.9 ft}}

Step-by-step explanation:

The formula for the volume of a cylinder is

V = πr²h

Data:

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Calculations:

I assume the gasoline tank is lying on its side, so we are asked to find the diameter of the tank.

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(c) Calculate the diameter of the tank

d = 2r = 9.934 ft

(d) Calculate the length of the measuring pole

l = d + 1 = 9.934 + 1 = \boxed{ \textbf{10.9 ft}}

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3 years ago
Tyler read 15 pages of a book. Ann read 9 pages of the same book. Did tyler read 4 more pages than Ann?. Explain
Marysya12 [62]
No because Tyler read 15 pages and 9 plus 4 is 13 fewer then what Tyler read
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3 years ago
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14 + 3х - 5 + 4х how do I solve ​
Varvara68 [4.7K]

Answer:

9 + 7x

Step-by-step explanation:

14 + 3х - 5 + 4х

Subtract the numbers, and add the x's together.

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Hope this helps :)

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