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3 years ago

14

When asked to write the prime factorization of 45, a student wrote 5 dotmath 9. Complete the explanation of the error and enter

the correct answer.

1 answer:

Keith_Richards [23]3 years ago

5 0

Answer:

Step-by-step explanation:

sorry

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2 years ago

What quadratic formula do I need to use to solve 3x(x+6)=-1

timofeeve [1]

Answer:

$\Large \boxed{x_1=\frac{9+\sqrt{51} }{3} \ \ ; \ \ x_2=\frac{9-\sqrt{51} }{3} }$

Step-by-step explanation:

$\displaystyle \Large \boldsymbol{} 3x(x+6)=-10 \\\\3x^2+18x=-10 \\\\3x^2+18x+10=0 \\\\D=324-120=204 \\\\ x_{1;2}=\frac{18\pm2\sqrt{51} }{6} =\frac{9\pm\sqrt{51} }{3}$

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3 years ago

What is equivalent to 8/9 divided by 3/4

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Answer:

Dividing by a fraction is the same as multiplying with the opposite of the fraction. 8/9 / 3/4=8/9×4/3=32/27=1 5/27.

Step-by-step explanation:

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3 years ago

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1/5 that’s the answer

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