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antoniya [11.8K]

2 years ago

8

a car delership is haveing a sale in which customer oay 85% of the reatil price fir a new vehicle . keith is buyibg a vechile wi

th a retail price of 36000 he negoiqtes to get 9% off the sale price how much does keith pay for the vechiel beforw tax

1 answer:

Ksivusya [100]2 years ago

5 0

First, you will want to take 9% off the retail price of 36000.
(9/100)*36000
Once you find that answer, take 85% of that.

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dimaraw [331]

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2 years ago

A projectile is launched into the air. The function h(t) = –16t2 + 32t + 128 gives the height, h, in feet, of the projectile t s

Zinaida [17]

Answer:

t = 4 seconds

Step-by-step explanation:

The height of the projectile after it is launched is given by the function :

$h(t)=-16t^2+32t+128$

t is time in seconds

We need to find after how many seconds will the projectile land back on the ground. When it land, h(t)=0

So,

$-16t^2+32t+128=0$

The above is a quadratic equation. It can be solved by the formula as follows :

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

Here, a = -16, b = 32 and c = 128

$t=\dfrac{-32\pm \sqrt{(32)^2-4\times (-16)(128)} }{2\times (-16)}\\\\t=\dfrac{-32+ \sqrt{(32)^2-4\times (-16)(128)} }{2\times (-16)}, \dfrac{-32\- \sqrt{(32)^2-4\times (-16)(128)} }{2\times (-16)}\\\\t=-2\ s\ \text{and}\ 4\ s$

Neglecting negative value, the projectile will land after 4 seconds.

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Help pls pls plss!!! asap

alekssr [168]

Step-by-step explanation:

angle 1=180-(90+58)

=180-148

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angle1=angle2=32

angle3=180-(108+32)

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Step-by-step explanation:

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