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What are the solutions to the equation 9x^2=49? Round to the nearest tenth. A. 2.3, -2.3 B. 5.4, -5.4 C. 7, -7 D. 21, -21

What are the solutions to the equation 9x^2=49? Round to the nearest tenth. A. 2.3, -2.3 B. 5.4, -5.4 C. 7, -7 D. 21, -21
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5 votes
What are the solutions to the equation 9x^2=49?

Round to the nearest tenth.
A. 2.3, -2.3
B. 5.4, -5.4
C. 7, -7
D. 21, -21

asked
User Ravi Gehlot
by
7.9k points

1 Answer

2 votes
9x^2 = 49
x^2 = 49/9
x^2 = 5.4444444
x1 = 2.3333333333
x2 = - 2.3333333333
Answer is A
answered
User MichaelTiefenbacher
by
8.6k points
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