4 years ago

Need help with number 40 plz. I was a little confused when I tried.

1 answer:

7 0

You can rewrite the decimal as a fraction and compare the two fractions. The fractions need to have a common denominator.

You can change the fraction to a decimal and compare. take the numerator and divide it by the denominator.

Unless I recognize the decimal as a fraction right away, I find it much easier to write the fraction as a decimal and compare

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xxMikexx [17]

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3 years ago

Aleksandr-060686 [28]

Answer:

x = 7, x = -10

Step-by-step explanation:

$x^2+3x-70 = 0$

Use the quadratic formula.

$x = \frac{-3 + \sqrt{3^2-4(1)(-70)} }{2(1)} \\x = \frac{-3 - \sqrt{3^2-4(1)(-70)} }{2(1)} \\$

Solve.

x = 7, x = -10

You can also factor if you want - that is a faster method.

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3 years ago

ss7ja [257]

Answer:

1 1/3

Step-by-step explanation:

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3 years ago