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Nadusha1986 [10]
3 years ago
10

Factorise 6x^2 + x - 12

Mathematics
2 answers:
lesya [120]3 years ago
8 0

Answer:

Step-by-step explanation:

6x² + x -12 = 6x² + 9x - 8x - 12

                 = 3x(2x + 3) - 4(2x + 3)

                 = (2x + 3)(3x - 4)

borishaifa [10]3 years ago
6 0

Step-by-step explanation:

(2x+3)(3x+2) is the correct answer

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Answer:

see below

Step-by-step explanation:

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b. passes through (1,-4) and (2,-5)

First find the slope

m= (y2-y1)/(x2-x1)

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Using the slope intercept form

y = -x+b

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6 0
3 years ago
In a certain college, 33% of the physics majors belong to ethnic minorities. Of 8 students are selected at random from the physi
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Answer: 0.0187

Step-by-step explanation:

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P(x)=^nC_xp^x(1-p)^{n-x}, where P(x) is the probability of getting success in x trials , n is the total number of trials and p is the probability of getting success in each trial.

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Now, the probability that more than 5 belong to an ethnic minority :-

P(x>5)=P(6)+P(7)+P(8)\\\\=^8C_6(0.33)^6(0.67)^{2}+^8C_7(0.33)^7(0.67)^{1}+^8C_8(0.33)^8(0.67)^{0}\\\\=(\dfrac{8!}{6!2!})(0.33)^6(0.67)^{2}+(8)(0.33)^7(0.67)^{1}+(0.33)^8(0.67)^{0}\\\\=0.0186577086013\approx0.0187

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2 years ago
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Answer:

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Now, we have 100 minutes in the second part of the problem, so we multiply the rate by that amount of time.

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