Answer is 7
Step by step explanation
3x+159=180
3x=180-159=21
x=7
Answer:
4 ways (WW-BB-WB-BW)
Step-by-step explanation:
Answer: x = 4; x = 5
Step-by-step explanation:
The directions specify to solve by factoring
x^2 - 9x + 20 = 0
To factor, find two numbers that add to -9 and multiply to 20
-5 and -4 work
-5 + (-4) = -9
-5 * -4 = 20
(x - 4)(x - 5) = 0
x = 4, x =5
Answer:
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Step-by-step explanation:
