jenkinjack7654
30.09.2019 •
Mathematics
Which of the following is a whole number ?
a. 49/5
b. 0
c. 33/79
d. -10
Solved
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Ответ:
0
Step-by-step explanation:
a and c are fractions and D is not the answer because it's a negative not sure if I'm correct it's either B or D
Ответ:
Divide both sides of the equation by 2 to get x^2 = 100
Subtract 100 from both sides to get x^2 - 100 = 0
Then factor it to get (x - 10)(x + 10) = 0
Set each factor equal to 0 and solve
x - 10 = 0
x = 10
and
x + 10 = 0
x = - 10