3 years ago

Polynomial division help PLEASE!

Mathematics

1 answer:

inna [77]3 years ago

4 0

<h2>Answer:</h2>

sorry i don`t know. i will try to do it, give me a second and see if i can do it.

Step-by-step explanation:

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Help please <br><br><br><br> Show two different ways to factor<br> -2x - 10

Arada [10]

-2(x+5) OR 2(-x-5) I hope that helps if not please let me know!

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3 years ago

If the price of pineapple juice was $4.50 a gallon and it is now $5.75 a gallon, what is the percentage change in price

Kitty [74]

Answer:

1 doller and 25 cents so easy

Step-by-step explanation:

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2 years ago

Triangle DEF has sides of length x, x+3, and x−1. What are all the possible types of DEF?

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Triangle DEF is scalene

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3 years ago

Number 7, please help me

MariettaO [177]

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3 years ago

Martin throws a ball straight up in the air. the equation h(t) = -16t^2 + 40t + 5 gives the height of the ball, in feet, t secon

Lisa [10]

Answer:

2.62 seconds

Step-by-step explanation:

Let

t ----> the time in seconds

h(t) ----> he height of the ball, in feet

we have

$h(t)=-16t^2+40t+5$

we know that

When the ball hits the ground, the height is equal to zero

$-16t^2+40t+5=0$

The formula to solve a quadratic equation of the form

$at^{2} +bt+c=0$

is equal to

$t=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$-16t^2+40t+5=0$

$a=-16\\b=40\\c=5$

substitute in the formula

$t=\frac{-40\pm\sqrt{40^{2}-4(-16)(5)}} {2(-16)}$

$t=\frac{-40\pm\sqrt{1,920}} {-32}$

$t=\frac{-40+\sqrt{1,920}} {-32}=-0.12\ sec$

$t=\frac{-40-\sqrt{1,920}} {-32}=2.62\ sec$

therefore

The solution is t=2.62 seconds

4 0

3 years ago