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kogti [31]
3 years ago
14

Factor the expression 8x3y − 8x2y − 30xy. 8x3y − 8x2y − 30xy

Mathematics
1 answer:
Lelu [443]3 years ago
6 0

Answer:

  2xy(2x +3)(2x -5)

Step-by-step explanation:

The greatest common factor of the coefficients 8 and 30 is 2. All of the variable expressions have a common factor of xy. We can factor those out to get ...

  = (2xy)(4x^2 -4x -15)

Now, we want to find factors of the product (4)(-15) that have a sum of -4 (the x coefficient). Those factors are 6 and -10. Then we can rewrite the quadratic factor as ...

  4x^2 +6x -10x -15

and factor by pairs:

  = 2x(2x +3) -5(2x +3) = (2x -5)(2x +3)

The complete factorization is then ...

  = 2xy(2x +3)(2x -5)

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KiRa [710]

Yo sup??

we can solve this question by applying trigonometric ratios

cos59=CB/CD

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=7.76

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Hope this helps.

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3 years ago
The times it took for 35 loggerhead sea turtle eggs to hatch in a simple random sample are normally distributed, with a mean of
jeka94
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5 0
3 years ago
Bob said a street was 4000 meters long. Steve said another street was 2010 meters long. They both want to know what both the str
SCORPION-xisa [38]

Answer:

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Step-by-step explanation:

Because anything times 0 is 0

4 0
2 years ago
Read 2 more answers
Employees from Company A and Company B both receive annual bonuses. What information would you need to test the claim that the d
Natalija [7]

Answer:

Step-by-step explanation:

This is a test of the mean difference between 2 independent groups or populations.

Let μ1 be the mean annual bonus of Company A's employees and μ2 be the mean annual bonus of Company B's employees.

The random variable is μ1 - μ2 = difference in the mean annual bonus of Company A's employees and the mean annual bonus of Company B's employees

We would set up the hypothesis.

The null hypothesis is

H0 : μ1 ≤ μ2 H0 : μ1 - μ2 ≤ 100

The alternative hypothesis is

H1 : μ1 > μ2 H1 : μ1 - μ2 > 100

This is a right tailed test because of the inequality sign at the alternative hypothesis. We need to take samples of annual bonuses from both company's employees and find the averages. Then we would determine the test statistic as well as the p value. We would use the p value with the level of significance to make decisions

5 0
3 years ago
Find the 50th term of the sequence 5,-2,-9,-16
sattari [20]

Answer:

50th term is -338

Step-by-step explanation:

Common difference d = -2-5 = -7

first term is a1 = 5

50th term

a50 = a1 + (n -1)d

a50 =  5 -7(50-1)

a50 = 5 -7(49)

a50 = -338

Hope this will helpful.

Thank you.

6 0
3 years ago
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