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Rufina [12.5K]
3 years ago
10

What is (2k+3)(2ksquared -4k-3)

Mathematics
1 answer:
saul85 [17]3 years ago
5 0
(2k + 3)(2k² - 4k - 3)
4k³ - 8k² - 6k + 6k² - 12k - 9
4k³ - 8k² + 6k² - 6k - 12k - 9
4k³ - 2k² - 18k - 9
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Use the distributive property to expand (simplify): <br>11(12x - 10xy)​
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The larger of two numbers is 1 more than twice the
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Answer:

Step-by-step explanation:

Hi there!

Let the smaller number be x and the larger number be 2x+1.

According to the question,

The sum of the numbers is 20 less than three

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or, x + 2x +1 = 6x + 3 -20

or, 3x + 1 = 6x - 17

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or x= 18/3

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Hope it helps!

7 0
3 years ago
11) 19, 13, 7, 1...
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the straight line L has the equation 4y=5x+3. Point A has the coordinates (3,-2) Find the equation of the line straight line tha
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Answer:

y = - \frac{4}{5} x + \frac{2}{5}

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange 4y = 5x + 3 into this form by dividing the 3 terms by 4

y = \frac{5}{4} x + \frac{3}{4} ← in slope- intercept form

with slope m = \frac{5}{4}

Given a line with slope m then the slope of a line perpendicular to it is

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y = - \frac{4}{5} x + c ← is the partial equation

To find c substitute (3, - 2) into the partial equation

- 2 = - \frac{12}{5} + c ⇒ c = - 2 + \frac{12}{5} = \frac{2}{5}

y = - \frac{4}{5} x + \frac{2}{5} ← equation of perpendicular line

4 0
3 years ago
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