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3 years ago

7

Which coordinate plane shows the graph of 3x + y > 9?

1 answer:

Fiesta28 [93]3 years ago

4 0

Answer:

Here is the graph.

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Use the quadratic formula to find the exact solutions of x2 - 5x - 2 = 0.

Fudgin [204]

Step-by-step explanation:

${x}^{2} - 5x - 2 = 0 \\ a = 1 \: and \: b = - 5 \: and \: c = - 2 \\ x = \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a} \\ x = \frac{ - ( - 5)± \sqrt{ {( - 5)}^{2} - (4 \times 1 \times - 2)} }{(2 \times 1)} \\ x = \frac{5± \sqrt{33} }{2} \\ either : x = \frac{5 + \sqrt{33} }{2} \: or \: \frac{5 - \sqrt{33} }{2} \\ x = 5.4 \: or \: - 0.4$

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3 years ago

Find the missing side and round to the nearest tenth

mario62 [17]

65 degrees is right

8 0

3 years ago

How would you verify tan3x = (3tanx - tan^3 x) / ( 1 - 3tan^2 x) and sin4x = (cosx)(4sinx - 8sin^3x) step-by-step?

padilas [110]

Hope this helps you.

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3 years ago

Neil is making colorful friendship bracelets for 6 of his friends. He has all of the colors of

garri49 [273]

Answer:

your answer is 11 feet, or 132 inches.

Step-by-step explanation:

one bracelet needs 22 inches, but he's making six, so multiply.

you should get 132, which can be divided by 12 to see how many feet you need, since this is what the question requires.

Hope I Helped!

3 0

3 years ago

6 1/12= - 4 6/12 subtracting

irinina [24]

i think that it is 2

7 0

3 years ago