3 years ago

Select the correct way to write: Nine less than twice a number. 9n - 2 n - 9 9-n 2n - 9

Mathematics

1 answer:

navik [9.2K]3 years ago

7 0

2n-9 Bc math yep
Huhhhhhh

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Step-by-step explanation:

x^2 – 16x + 63 < 0

this is a parabola that opens up.

The parabola will be < 0 for values between the roots.

to picture this see the graph below.

Factor

(x - 7)(x - 9) < 0

Roots

x = {7, 9}

solution

7 < x < 9

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Select the correct way to write: Nine less than twice a number. 9n - 2 n - 9 9-n 2n - 9​

Select the correct way to write: Nine less than twice a number. 9n - 2 n - 9 9-n 2n - 9