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n200080 [17]
3 years ago
14

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! I CANNOT RETAKE THIS!!

Mathematics
2 answers:
siniylev [52]3 years ago
8 0
No yes yes yes no ; sol. when x=4 , f(x) = 0 ,so (x-4) is right answer.....
rewona [7]3 years ago
3 0

Answer: YES → (x + 2) (x - 4) (x + 4)

                NO → (x - 2) (x + 6)

<u>Step-by-step explanation:</u>

The best way to answer this question is to factor the given polynomial and then look at the choices at the botom of your screeen.

f(x) = x³ + 2x² - 16x - 32

0 = x³ + 2x²     - 16x - 32

    = x²(x + 2)     -16(x + 2)

    = (x + 2)(x² - 16)

    =     ↓    (x - 4)(x + 4)

    = (x + 2)( x - 4)(x + 4)

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Just asking, what book is it?
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3 years ago
A portable CD player costs $48. How much is a payment of 25% of the cost
levacccp [35]

25% is the same is 1/4 of something. So you have to find what 1/4th of 48 is. To do that, just divide 48 by 4. and you get 12.

A 25% payment on a CD player that costs $48 would be $12. Hope that helps!

4 0
3 years ago
How can you use unit rates to solve pricing problems?​
melomori [17]

Answer:

a ratio is a comparison of two numbers or measurements

the objects being compared are called the terms of the ratio.

if the tow terms are different units this is called a rate.

example:

David covers 600 miles in 8 hours and John covers 380 miles in 5 hours. Who is driving faster ?

solution:

Distance covered by David in 1 hour is

=  600 / 8  

=  75 miles per hour

Distance covered by John in 1 hour is

=  380 / 5  

=  76 miles per hour

When we compare the above unit rates (Distance covered in 1 hour), John is driving faster than David.

5 0
3 years ago
Read 2 more answers
The longer leg of a right triangle is 4 more than the short leg. The hypotenuse is eight less than the sum of the 2 legs.
Crazy boy [7]

Answer:

SteLet a = short leg of the right triangle, b = the longer leg, and c = the hypotenuse.

The longer leg of a right triangle is 4inches longer than the shorter leg: b = a + 4

The hypotenuse is 8inches longer than the shorter leg:  c = a + 8

 

Use the Pythagorean Theorem:

 

a2 + b2 = c2

a2 + (a+4)2 = (a+8)2

a2 + a2 + 8a + 16 = a2 + 16a + 64

a2 - 8a - 48 = 0

 

Factors to:

 

(a-12)(a+4) = 0

a = 12, -4

 

Since we can't have a side of -4, a = 12

Shorter Leg = 12 inches

Longer Leg = 12 + 4 = 16 inches

Hypotenuse = 12 + 8 = 20 inches

6 0
3 years ago
Idk this plz help me
Alik [6]

Answer:

1. {12,0}

hope it helps.

5 0
3 years ago
Read 2 more answers
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