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alex41 [277]
2 years ago
13

Factor2x(to the power of 2)+5x−3

Mathematics
1 answer:
Molodets [167]2 years ago
5 0

Answer:

(2x-1)(x+3)

Step-by-step explanation:

2x^2+5x-3\\\\2x^2+6x-x-3\\\\2x(x+3)-1(x+3)\\\\(2x-1)(x+3)

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x - 2y = 3 5x + 3y = 2 The lines whose equations are shown intersect at which point? (1, -1) (-1, 1) (0, 3/2)
gtnhenbr [62]
I would solve the first equation for x and then sub that value into x in the second equation.  That's the easiest way.  x - 2y = 3 solved for x is x = 2y+3.  Now sub that in for x in the second equation: 5(2y+3)+3y=2 and 10y + 15 + 3y = 2.  13y = -13, and y = -1.  Now sub that y value into either equation to solve for x: x = 2(-1) + 3 gives us an x value of x = 1.  Therefore, your solution to this system is (1, -1), first choice above.
4 0
3 years ago
Find the area of the composite shape:
Stells [14]

Answer:

5×14×14×4=3,920 cm

Step-by-step explanation:

Multiply all numbers to find the area.

5 0
3 years ago
The amount of radioactive uranium changes with time. The abscissas and ordinates of the points given are the time and amoung of
kakasveta [241]
The answer is <span>A. f(t) = 100(0.25)t
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This may be solved by inserting all points to your answer and sseeing if they work. Since <span>A. f(t) = 100(0.25)t fits with all points, this best represents the relationship between f(t) and t.
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Thank you for posting your question. I hope you found what you were after. Please feel free to ask me more.

 

 

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4 0
3 years ago
Someone please finish this for me
sergij07 [2.7K]
Think these are the answers to the first few hope it helps

7 0
3 years ago
Find the measure of RST.
almond37 [142]

Answer:

30°

Step-by-step explanation:

8 0
3 years ago
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