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2 years ago

What is the factored form of this expression? 8x3 – 8x2 – 30x Please help !!!

Mathematics

1 answer:

Vilka [71]2 years ago

7 0

Answer: The answer to this question is 2x(2x+3)(2x-5)

Step-by-step explanation:

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2-31 The following grade-point averages apply to a random sample of graduating seniors. 3.812.732.513.093.28 3.512.861.203.133.2

Dmitry_Shevchenko [17]

Answer:

The sample range is 2.61.

Step-by-step explanation:

We are given the following grade-point averages which apply to a random sample of graduating seniors below;

3.81, 2.73, 2.51, 3.09, 3.28, 3.51, 2.86, 1.20, 3.13, and 3.24.

As we know that the range of the data is calculated bu using the following formula;

Range = Highest value in the data - Lowest value in the data

Here, Highest value = 3.81

Lowest value = 1.20

So, the sample data range = 3.81 - 1.20

= 2.61.

6 0

3 years ago

What is the answer to this problem -2x – 4 < 3x + 21

horsena [70]

Start with

$-2x-4 < 3x+21$

Add 2x to both sides:

$-4 < 5x+21$

Subtract 21 from both sides:

$-25 < 5x$

Divide both sides by 5. Since it is positive, we don't have to change the inequality sign:

$-5 < x$

So, the answer is $x > -5$

6 0

2 years ago

A friend of yours, a senior, took the Graduate Record Exam in September and scored in the 99th percentile. In February, your fri

soldi70 [24.7K]

His/her lowered score was most likely due to statistical regression.

<h3>How to determine the reason?</h3>

The missing options in the question are:

A. compensation rivalry B. Demoralization C. Differential selection

D. Testing E. Statistical regression

From the question, we have:

September = 99th percentile
February = 90th percentile

A change (whether higher or lower) in the score is caused by statistical regression.

This is so because several variables could attribute to the change in the score.

The relationship between these variables is referred to as statistical regression

Read more about statistical regression at:

brainly.com/question/25987747

#SPJ12

3 0

2 years ago

Type a digit that makes this statement true.

netineya [11]

Make the number 693,000 instead of 69,300. The answer would be 86,625.
Hope this helped, I wasn’t to sure on what you were asking though.

5 0

2 years ago

Read 2 more answers

What is the lcm of 1/3 and 2/5

katen-ka-za [31]

I'm not really sure but I think it is 4:(

7 0

3 years ago