3 years ago

-2( -4x - 2 ) - 5x + 5 = -12

Mathematics

1 answer:

Sergio [31]3 years ago

8 0

Answer:

use distributive and combine like terms

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Find the zeros of the polynomial function.

Ahat [919]

◆ QUADRATIC EQUATIONS ◆

$given \: equation \: is \: , \\ \\ {x}^{2} - 12x + 20 = 0 \\ \\ using \: quadratic \: formula \: , \\ \\ x = \frac{ - b + \sqrt{ {b}^{2} - 4ac } }{2a} \: \: \: \: = \frac{ - ( - 12) + \sqrt{ { (- 12)}^{2} - 4(1)(20) } }{2(1)} \\ \\ x = \frac{ - b + \sqrt{ {b}^{2} - 4ac } }{2a} \: \: \: \: = \frac{ - ( - 12) - \sqrt{ { (- 12)}^{2} - 4(1)(20) } }{2(1)} \\ \\ x = \frac{12 + 8}{2} \: \: \: \: \: or \: \: \: \: x = \frac{12 - 8}{2} \\ \\ x = 10 \: \: \: \: \: or \: \: \: \: \: x = 2 \: \: \: ans.$

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2 years ago

A 2-pint bottle of water costs $5.80. What is the price per cup?

Bingel [31]

Answer: $2.90/cup

Step-by-step explanation:

1 pint = 2 cups

2 cups = $5.80

--> $5.80/2 = $2.90/cup

4 0

2 years ago

Read 2 more answers