3 years ago

Factor the trinomial comoletley x2+5x-84

Mathematics

1 answer:

Annette [7]3 years ago

8 0

Hope this helps you.

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charle [14.2K]

Use the formula of a distance between two points:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

$(-8,\ -6),\ (4,\ 10)\\\\d=\sqrt{(4-(-8))^2+(10-(-6))^2}=\sqrt{12^2+16^2}\\\\=\sqrt{144+256}=\sqrt{400}=\boxed{20}\\\\(5,\ 14),\ (-3,\ -9)\\\\d=\sqrt{(-3-5)^2+(-9-14)^2}=\sqrt{(-8)^2+(-23)^2}\\\\=\sqrt{64+529}=\boxed{\sqrt{593}\approx24.35}$

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4 years ago

Need help with this problem

Ber [7]

$\frac{2x}{x + 3} - \frac{3}{x - 4}$

The LCM of x+3 and x-4 is x² - x - 12

Working out gives;

$\frac{2x^2 - 8x - 3x - 9}{x^2 - x - 12} = \frac{2x^2 - 11x - 9}{x^2 - x - 12}$

Simplify further using equations calculator to get the answer as attached below:

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3 years ago

Help plz.............................................

Salsk061 [2.6K]

Answer:

Step-by-step explanation:

I calculated it

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3 years ago

The spinner shown is spun 5 times. What is the probability that you will spin white exactly 3 times?

telo118 [61]

Answer:

3 / 5

Step-by-step explanation:

Total = 5

Probability of spinning white exactly 3 = 3 / 5

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2 years ago

Y’all are smart smart just take my points already

lisov135 [29]

Answer:

Probably D

Step-by-step explanation:

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3 years ago