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Vladimir [108]
3 years ago
14

What is completely factored form of x^4+8x^2-9

Mathematics
2 answers:
BabaBlast [244]3 years ago
5 0

Answer: B would be the correct answer on edg. (X+1)(x-1)(x^2+9)

olganol [36]3 years ago
4 0
X^4 + 8x^2 - 9 
= (x^2 + 9)(x^2 - 1)
= (x^2 + 9)(x + 1)(x - 1)  Answer
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Kyle asked a random group of students what their favorite sport was. The results are below. Boys Girls Basketball 10 8 Football
Ronch [10]

Answer:

The probability that Kyle will pick a girl who likes football is 12.5%.

Step-by-step explanation:

The data provided is as follows:

                         Boys        Girls       Total

Basketball          10             8             18

 Football           25             7             32

  Soccer             9             19             28

 Baseball           18            22            40

   Total               62           56            118

Compute the probability that Kyle will pick a girl who likes football as follows:

P(F|G)=\frac{n(G\cap F)}{n(G)}

            =\frac{7}{56}\\\\=0.125\\\\=12.5\%

Thus, the probability that Kyle will pick a girl who likes football is 12.5%.

6 0
3 years ago
I really need help with this???
Vadim26 [7]

Answer:

the answer is option A. Because if it is a parallelogram QR must be parallel to TS and QT must be parallel to RS

6 0
3 years ago
Subtract 3x + 2 from 8x + 9.​
kirill115 [55]

Answer:

5x+7

Step-by-step explanation:

Subtract like terms

(8x+9)-(3x+2)

8x-3x=5x

9-2=7

5x+7 should be your answer I believe

3 0
3 years ago
What’s the answer to number 4 ?
Marizza181 [45]

Answer:

4.36*10^-^1

Step-by-step explanation:

Given:  

             (3.6*10^-^2)+(4.0*10^-^1)

Make the power of '10' equal by shifting the decimal place of any one value.

                (0.36*10^-^1)+(4.0*10^-^1)

Taking the '10^-^1' common

               10^-^1*(0.36+4.0)

Adding the values in the bracket gives:

                      4.36*10^-^1

7 0
3 years ago
Read 2 more answers
What fraction of an hour is 18 minutes?<br> Give your answer in its simplest form.
enot [183]

Answer:

3/10

Step-by-step explanation:

An hour is 60 mins

so the fraction would be 18/60

Then you can divide both numbers by 6 to 3/10

4 0
3 years ago
Read 2 more answers
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