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Nadusha1986 [10]
3 years ago
12

Simplify: (4a + 2b)(a - b)

Mathematics
1 answer:
irga5000 [103]3 years ago
5 0
The answer would be B.
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Which of the following is true for most distributions? Group of answer choices
Drupady [299]

Answer:

a)

Step-by-step explanation:

The standard deviation is a measure that tells us how far measures tend to be from the mean. A low standard deviation gives us values closer to  the mean than a high standard deviation. Usually 68% of the data falls within one standard deviation of the set.

Thus, the most accurate answer would be a) Around 70% of the scores will be located within one standard deviation of the mean

8 0
3 years ago
Find the product: (x² - x + 1)(2x² + 3x + 2).
Tresset [83]

Answer:

(2x^3-2x^2-12x) is the required product.

Step-by-step explanation:

The given equation is:

2x(x-3)(x+2)

Solving the above given equation, we get

=(2x^2-6x)(x+2)

which can be written as:

=(2x^3-6x^2+4x^2-12x)

Solving the like terms, we get

=(2x^3-2x^2-12x)

which is the required product of the given expression.

3 0
3 years ago
On a graph, the solution to a system of linear equations is represented by __________.
Eduardwww [97]

Answer:

Step-by-step explanation:

The solution for a system of equations when expressed graphically is coordinate of the point where the two graphs intersect.

4 0
3 years ago
Read 2 more answers
What is an equation of the line that passes through the point (1,-3) and is perpendicular to the line x+3y=21
docker41 [41]

The linear equation that is perpendicular to the line x+3y=21 is:

y = 3*x - 6

<h3>How to find the equation of the line?</h3>

A general line in the slope-intercept form is written as:

y = m*x + b

Where m is the slope and b is the y-intercept.

Two linear equations are perpendicular if the product between the two slopes is equal to -1.

Rewriting the given line we can get:

x +3y = 21

3y = 21 - x

y = 21/3 - x/3

y = (-1/3)*x + 21/3

Then the slope is (-1/3), if our line is perpendicular to this one, then:

m*(-1/3) = -1

m = 3

our line is:

y = 3*x + b

To find the value of b, we use the fact that our line passes through (1, - 3)

-3 = 3*1 + b

-3 - 3 = b

-6 = b

The line is y = 3*x - 6

Learn more about linear equations:

brainly.com/question/1884491

#SPJ1

3 0
1 year ago
HELP ASAP IM STUPIDDDDD <br><br><br> Write the power as a product of factors: 9^7
algol [13]

Answer:

9x9x9x9x9x9x9, theres your answer

7 0
3 years ago
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