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KatRina [158]
3 years ago
8

Factor x^4+2x^3−2x−1 completely

Mathematics
1 answer:
goblinko [34]3 years ago
5 0
1) Factor out common terms in the first two terms, then in the last two terms
{x}^{3}(x+2)-2(x+2)

2) Factor out the common term x+2
(x+2)({x}^{3}-2)

Done!
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rachel jogged along a trail that was 1/4 of a mile long. She jogged along the trail 8 times. how many miles did rachel jog?
____ [38]
To solve for how many miles Rachel jogged if she jogged a 1/4 mile trail 8 times, we simply need to multiply the distance she ran each time by the amount of times she ran it.

1/4 * 8 = 2

Rachel jogged 2 miles.
Hope that helped =)
4 0
3 years ago
Fine the domain and range of the relation, and indicate whether or not it is a function.<br> Y=2x+3
lilavasa [31]
It's a non-constant linear function, so both the domain and the range are all real numbers.
8 0
3 years ago
Zach found a rat snake in the woods near his home. Its length is 1.473 meters.
kenny6666 [7]

Answer:

None of these answers would work. You may have typed some wrong perhaps?

3 0
3 years ago
Answer any or all. I'll mark you as brainliest if you answer all correctly and explain how you go the answer to each question! P
zimovet [89]

Answer:

16. D. 180 inches

17. A. 1/20 pound

18. D. (2,6)

19. A. 2/8

20. D. 22

Step-by-step explanation:

16. every 5 feet is 60 inches there is 15 feet because 1 yard=3 feet so 60*3=180

17. when you round it upwards you would have 30/40 and 32/40 so it would be 2/40 and then simply 1/20 so therefore it would be 1/20

18. The cost of milk is 3 so that would be (3,y) then every gallon would be y so (3,1)

19. You know this because when you plug in all the other numbers none of the rest of them work but A so therefore it must be A

20. So first you would multiply 2*2*2*2=8 Then you would divide 172/8=22. So therefore your answer would be 22

4 0
3 years ago
Suppose babies born in a large hospital have a mean weight of 3316 grams, and a standard deviation of 324 grams. If 83 babies ar
Anuta_ua [19.1K]

Answer: 0.129

Step-by-step explanation:

Let \overline{X} denotes a random variable that represents the mean weight of babies born.

Population mean : \mu= \text{3316 grams,}

Standard deviation: \text{324 grams}

Sample size = 83

Now, the probability that the mean weight of the sample babies would differ from the population mean by greater than 54 grams will be :

P(|\mu-\overline{X}|>54)=1-P(\dfrac{-54}{\dfrac{324}{\sqrt{83}}}

hence, the required probability =  0.129

5 0
3 years ago
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