How many solutions does the equation −4y + 4y + 2 = 2 have?

Mathematics

1 answer:

Marianna [84]3 years ago

7 0

Answer:

y is 1 or it is 0

that us the answer

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DiKsa [7]

Answer:

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2 years ago

In the Central Grand Prix, out of 30 cars that started the race, 12 of them finished. What percent of the cars finished the race

zvonat [6]

Answer:

40% finished, which means that 60% did not.

Step-by-step explanation:

a = p*w

12 = p*30

12/30=p

.40 = p

40%

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3 years ago

What is the answer for 16 + b = a<br>

Nitella [24]

Answer:

Step-by-step explanation:

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2 years ago

Katie solved the equation by completing the square. X2+12x−7=0 which equation shows one of the steps katie could have taken to c

sdas [7]

solution:

$x^{2}+12x-7=0\\add 7 to both side of the equation\\x^{2}-12x=7\\to creat a trinomial square on the left side of the equation.\\find a value that is equal to the square of b and the cofficent of x.\\(\frac{b}{2})^2=(-6)^2\\add the term to each side of the equation\\x^2-12x+(-6)^2=7+(-6)\\x^2-12x+36=43\\(x-6)^2=43\\solve the equation for x.\\$ $take the square root of each side of the equation to the set up the solution x,\\(x-6)^2.\frac{1}{2}=\pm \sqrt{43}\\x-6=\pm \sqrt{43}\\x=6\pm \sqrt{43}$