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jenyasd209 [6]
2 years ago
8

PLEASE HELP I HAVE A TEST!!!!!!!!! Show all work to factor x4 − 17x2 + 16 completely

Mathematics
1 answer:
Finger [1]2 years ago
8 0

Answer:

Step-by-step explanation:

Here you go mate,

step 1

x^4 − 17x^2 + 16  equation/question

step 2

x^4 − 17x^2 + 16  factor completely

answer

(x+1)(x-1)(x+4)(x-4)

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How to find the distance AB ? A(0,1) B(2,-3)
Anastaziya [24]

Hey there!!

Distance formula :

\sqrt{(y2-y1)^{2} + (x2-x1)^{2}  }

Coordinates given :

( 0,1 ) and ( 2,-3 )

( y2 = -3 ; y1 = 1 ) ( x2 = 2 ; x1 = 0 )

Plugging in the values :

... \sqrt{(-3-1)^{2}+(2-0)^{2} }

... \sqrt{(-4)^{2}+(2)^{2} }

... \sqrt{16+4}

... \sqrt{20}

... \sqrt{5}×\sqrt{4}

... 2\sqrt{5} units is the distance.

Hope my answer helps!!

4 0
3 years ago
10 laps around track each day. Each lap around the track is 400 meters. How many day will take kali to run a total 12 kilometers
Natali5045456 [20]

Answer:

3 days

Step-by-step explanation:

First, let's convert 400 meters to km (kilometers):

To find km from m we divide the meters by 1000:

400/1000 = 0.4

Therefore, there are 0.4 km in 1 meter.

Kali runs 10 laps every day, since 1 lap is 0.4 km we can multiply 10 by 0.4 to see how many kilometers they run in 1 day:

(10)(0.4) = 4

Kali runs 4 kilometers every day

Now, we can find how long it will take Kali to run a total of 12 kilometers by dividing 12 by 4

12/4 = 3

It will take Kali 3 days to run a total of 12 kilometers.

<em>I hope this helps!!</em>

<em>- Kay :)</em>

7 0
3 years ago
The standard deviation of a population is 3.2.<br> What is the margin of error?
Reptile [31]
Margin of error is 0.783985593816022
6 0
3 years ago
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A pyrotechnician plans for two fireworks to explode together at the same height in the air. They travel at speeds shown below. F
kow [346]
.875 seconds
a=360t
b=280t+(280*.25)
360t=280t+(280*.25)
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5 0
3 years ago
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An animal shelter has 35 puppies get the puppies are 28% of the total dog and cat population how many dogs and cats are there in
Stells [14]

Answer:

125 dogs and cats

Step-by-step explanation:

35 puppies make up 28% of the total dog and cat population

so 28% of the total population is 35

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0.28x = 35

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x = 125 <=== total dogs and cats

4 0
3 years ago
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