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3 years ago

Which of the following is a factor of x15 − 64?

Mathematics

1 answer:

svetoff [14.1K]3 years ago

3 0

Answer:(x^5−4) and (x^10+4x^5+16)

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In a survey at a local college, 18% of students reported that they do not own a mobile device with internet capabilities. if 20

Sholpan [36]

Answer:

0.64

Step-by-step explanation:

The probability that randomly selected student doesn't own a mobile device with internet capabilities is $p=0.18$ and the probability that randomly selected student owns a mobile device with internet capabilities is $q=1-p=1-0.18=0.82.$

If 20 students are selected at random, the probability that at most 5 students (0 students, 1 student, 2 students, 3 students, 4 students or 5 students) don't own a mobile device with internet capabilities is

$Pr=C_{20}^0p^0q^{20}+C_{20}^1p^1q^{19}+C_{20}^2p^2q^{18}+C_{20}^3p^3q^{17}+C_{20}^4p^4q^{16}+C_{20}^5p^5q^{15}=q^{20}+20pq^{19}+190p^2q^{18}+1,140p^3q^{17}+4,875p^4q^{16}+15,504p^5q^{15}\approx 0.6405021423\approx 0.64.$

3 0

2 years ago

9) Write an inequality to represent the statement:

Karo-lina-s [1.5K]

Answer:

x + 65 < 108

Step-by-step explanation:

8 0

2 years ago

What is 25% of 10....

Gekata [30.6K]

Answer: 2.5

10 X 25%

25% = 25/100 = 0.25

10x0.25 = 2.5

Hope this helps!!

8 0

2 years ago

Read 2 more answers

2x - 7 + x - 11 = 3x - 11 X = ?

Gekata [30.6K]

Answer: -7=0 --> Impossible

Step-by-step explanation:

2x-7+x-11= 3x-11

2x+x-7-11=3x-11

3x-18=3x-11

3x-18+11=3x

3x-7-3x=0

-7=0

Impossible

3 0

2 years ago

Today Mr Swenson is making 2/5 quart of grape jelly. He will give 1/2 of this anount to his neighbor. How much jelly will the ne

Nonamiya [84]

2/5*1/2=2/10

his neighbor will get 2/10quart or 0.2quarts of jelly

6 0

3 years ago