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garik1379 [7]
3 years ago
10

Factor de expression:2x2 − 5x − 3

Mathematics
2 answers:
kramer3 years ago
5 0
The answer is (2x + 1)(x - 3)
Angelina_Jolie [31]3 years ago
5 0
Factor de expression:2x2-5x-3=19
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What is the value of x?<br><br><br><br> Enter your answer in the box.
OverLord2011 [107]
5x + 10           10
---------- =      -------
   121               11

make the bottom have same common denominator

10/11 x (10/10) = 100/121

Get rid of the denominator (for both now have 121 as a base)

5x + 10 = 100

5x + 10 (-10) = 100 (-10)

5x = 90

5x/5 = 90/5

x = 18

x = 18  is your answer

hope this helps
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3 years ago
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Simplfy 4x(2x-3) distributive property
Roman55 [17]
Greetings!

Simplify the Expression.
=4x(2x-3)

Distribute the Parenthesis.
How? Multiply the terms inside the Parenthesis by the term outside of the Parenthesis.
=4x*2x-4x*3

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=8x^2-12x
\left[\begin{array}{ccc}8x^2-12x\end{array}\right]

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7 0
3 years ago
A graph of a linear function is shown on the grid. Which of these best represents 0 of the function? A 8. B 10. C 16. D 24.
harina [27]

answer:

C. 16

explanation:

when x is 0, the y-intercept is 8

coordinates: (0,8) and (4,6)

slope:

\sf \frac{y2-y1}{x2-x1}

\sf \frac{6-8}{4-0}

\sf \frac{-2}{4}

\sf -\frac{1}{2}

equation:

\sf y = mx +b    [ where m is slope and b is y-intercept ]

y = \sf -\frac{1}{2}x +8

solve for x-intercept:

note: zeros of a function are the values of x when f(x) is equal to 0

y = \sf -\frac{1}{2}x +8

0= \sf -\frac{1}{2}x +8

-8= \sf -\frac{1}{2}x

\sf x = -8 * -2

\sf x = 16

3 0
2 years ago
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Need help I'm lost and confused
Murljashka [212]
The answer is 89. it's really not that hard.juat follow the steps
8 0
3 years ago
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