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charle [14.2K]
3 years ago
15

Use the grouping method to factor the polynomial below completely. x - 3x² + 5x - 157

Mathematics
1 answer:
Levart [38]3 years ago
8 0

Answer:

-3x^2+6x-157

Step-by-step explanation:

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Is fast please help me is a exam
qaws [65]

Answer:

100 minutes

Step-by-step explanation:

1 hour = 60 minutes.

(2 / 3) * (1 hour) =

40 minutes

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REMEMBER:

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1 year ago
Explain the difference between observed frequency and expected frequency as it relates to Chi-Square test.
emmasim [6.3K]

Answer:

Step-by-step explanation:

A Chi-square test is used to test the test of independence between rows and columns, contingency tables. It is a test related to frequencies. The observed frequency is a given statistical frequency known as the actual frequency,  the expected frequency is known as the theoretical frequency is derived from the study by using the sum total of the row and total in the column divided by their corresponding sample size.

5 0
3 years ago
What is it mean? <br> a. 27.19 <br> b. 27.29 <br> c. 28.10 <br> d. 28.11
Len [333]
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Have a nice day. Hope this helps.
3 0
2 years ago
The graph of which function will have a maximum and a y-intercept of 4?
rosijanka [135]
The y-intercept of the equation is the value of the variable y or in this case, f(x), when x is equated to zero. Out of all the choices presented in this item, if x is equated to zero, the first two terms will be equal to zero, leaving the third term only for the numerical value of f(x). 

From the choices presented, the answer would be f(x) = -x2 + 2x + 4. Thus, the answer is the third choice, C. 
4 0
2 years ago
Read 2 more answers
Find s8 for the following geometric sequence: 3, – 6, 12, – 24.
Alekssandra [29.7K]

Answer:

B. -255

Step-by-step explanation:

This picture is from the user of: DBlaze.

4 0
3 years ago
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