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Ierofanga [76]
3 years ago
10

Plz help this is due tomarrow

Mathematics
2 answers:
Olin [163]3 years ago
3 0
The independent is a sentence that can stand alone a dependent isn't
lakkis [162]3 years ago
3 0
A. 2x + 14
b. I believe that x is dependent and 14 and 2 are independent
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See attachment , and all questions. Is what I've done correct? Please explain your answers :)
Dafna11 [192]
you got all right just check it and do the other one
6 0
3 years ago
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Amelia launched her science fair rocket, and then backed away. The path of the rocket is given by the equation below, where y is
Mamont248 [21]

Answer:

1)The rocket hit the ground at     x = \frac{5}{4}

2)The maximum height of the rocket = 12.468 feet

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given equation  

                y = -2 x² + 5 x + 7 ...(i)

Differentiating equation (i) with respective to 'x' , we get

             \frac{dy}{dx} = -2( 2x) +5(1) =  -4x +5

Equating zero

            \frac{dy}{dx} = 0

⇒      -4 x +5 =0

⇒      -4 x = -5

⇒          x = \frac{5}{4}

<em> The rocket hit the ground at     </em>x = \frac{5}{4}<em></em>

<u><em>Step(ii):</em></u>-

    \frac{dy}{dx}  =  -4x +5  ...(ii)

Again differentiating equation (ii) with respective to 'x' , we get

 \frac{d^{2} y}{dx^{2} }  = - 4(1)

The maximum height at x = \frac{-5}{4}

  y = -2 x² + 5 x + 7

 y = -2 (\frac{5}{4})^{2}  + 5 (\frac{5}{4} )  + 7

y = \frac{-2(25)+ 25 (16)+7(64)}{64}

y = \frac{798}{64} = 12.468 feet

<em>The maximum height of the rocket = 12.468 feet</em>

       

4 0
2 years ago
Reduce 36/60 to simplest terms
Alborosie

Answer:3/6

Step-by-step explanation:

5 0
3 years ago
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If a=-4h^2-h+5 and b=8h-3h+12 find a-b
Flauer [41]

Answer:

4h^2-6h-7

Step-by-step explanation:

(4h^{2} -h+5) - (8h-3h+12)\\4h^{2} -h+5 - 8h+3h-12\\4h^{2}-9h+3h-7\\4h^{2}-6h-7\\

4 0
3 years ago
A bag contains 2 red ping pong balls and 3 green ping pong balls and 3 blue ping pong ball and 1 yellow pig pong ball find the p
vichka [17]
2 red ping pongs - least likely
3 green ping pongs - possible
3 blue ping pongs - possible
1 yellow ping pong - not possible
4 0
2 years ago
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