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3 years ago

Which phrases can be used to represent the inequality 12-3x≥9? Check all that apply. (multi choice)

Mathematics

1 answer:

balandron [24]3 years ago

8 0

Answer:

Which phrases can be used to represent the inequality 12-3x≥9? Check all that apply. (multi choice)

<u> A Twelve less than three times a number is greater than or equal to nine. </u>

B Twelve less than three times a number is at least nine.

C Twelve less three times a number is at least nine.

D Twelve minus the product of three and a number is no more than nine.

E Twelve less three times a number is at most nine.

F Twelve minus the product of three and a number is no smaller than nine.

G Twelve minus the product of three and a number is larger than nine.

Step-by-step explanation:

12 - 3x>=9

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3 years ago

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3 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

A signal can be formed by running different colored flags up a pole, one above the other. find the number of different signals

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3 years ago

Can someone please help with this ?

creativ13 [48]

Answer: -9n+20

This is the same as 20-9n

================================================

Explanation:

The jump from 11 to 2 is "minus 9"

The jump from 2 to -7 is also "minus 9".

Assuming this pattern continues on, we have an arithmetic sequence with

a = 11 = first term
d = -9 = common difference

The nth term can be found like so

$a_n = a + d(n-1)\\\\a_n = 11 + (-9)(n-1)\\\\a_n = 11 -9n + 9\\\\a_n = -9n+20\\\\$

Let's check the answer by trying n = 3

$a_n = -9n+20\\\\a_3 = -9*3+20\\\\a_3 = -27+20\\\\a_3 = -7\\\\$

This shows the third term is -7, which matches what the original sequence shows. The answer is partially confirmed. I'll let you check the other values of n. You should get 11 when trying n = 1, and you should get 2 when trying n = 2.

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2 years ago