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siniylev [52]
3 years ago
11

HELP QUICKLY PLEASE HURRY!!!!!

Mathematics
2 answers:
BartSMP [9]3 years ago
6 0

Answer:

it looks to be c

Step-by-step explanation:

jok3333 [9.3K]3 years ago
6 0
The answer looks to be C
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An irrigation system (sprinkler) has a parabolic pattern. The height, in feet, of the spray of water is given by the equation h(
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9514 1404 393

Answer:

  • 7.5 ft
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Step-by-step explanation:

a) The starting height is h(0) = 7.5 feet, the constant in the quadratic function.

The irrigation system is positioned <u> 7.5 </u> feet above the ground

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b) The axis of symmetry for quadratic ax^2 +bx +c is x = -b/(2a). For this quadratic, that is x=-10/(2(-1)) = 5. This is the horizontal distance to the point of maximum height. The maximum height is ...

  h(5) = (-5 +10)(5) +7.5 = 32.5 . . . feet

The spray reaches a maximum height of <u> 32.5 </u> feet at a horizontal distance of <u> 5 </u> feet from the sprinkler head.

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c) The maximum distance will be √32.5 + 5 ≈ 10.7 ft.

The spray reaches the ground at about <u> 10.7 </u> feet away.

3 0
2 years ago
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The minimum wage in 2003 was $5.15. This was w more than the minimum wage in 1996. Write an expression for the minimum wage in 1
bekas [8.4K]
$5.15 - w = minimum wage in 1996

(if that wasn't what you were looking for then comment what you really wanted)
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3 years ago
What is the probability of spinning an A in %
amm1812

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Step-by-step explanation:

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3. The perimeter of a rectangular playing field is 504 yards. The area of the
Len [333]

The perimeter is twice the sum of the length and the width:

P = 2(w+l)

The area is the product of the dimensions:

A = wl

So, the system is

\begin{cases}w+l=504\\w\cdot l=14276\end{cases}

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3 years ago
You randomly select one card from a 52-card deck. Find the probability of selecting a two or a five.
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Answer:

2/13

Step-by-step explanation:

there are 4 5s and 4 2s so

8/52

simplified is 2/13

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3 years ago
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