2 years ago

HELPPPP PLEASE I HAVE SO MANY COOLDOWNS AND PLS EXPLAIN I DONT GRT THIS

Mathematics

1 answer:

pashok25 [27]2 years ago

4 0

Answer:

3^4 = 81

Step-by-step explanation:

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Which number line shows the solution set for |y-9| <12

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Answer:

Option c

$y\geq-3$ or $y \leq 21$

Step-by-step explanation:

The absolute value is a function that transforms any value x into a positive number.

Therefore, for the function $f(x) = |x|$ x> 0 for all real numbers.

Then the inequation:

$|y-9| \leq 12$ has two cases

$(y-9)$ if $y \geq 9$ (i)

$-(y-9)$ if $y < 9$ (ii)

We solve the case (i)

$y \leq 9 + 12\\y\leq21$

We solve the case (ii)

$-y +9 \leq 12\\-y \leq 12-9\\y \geq -3$

Then the solution is:

$y\geq-3$ or $y \leq 21$

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2 years ago

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Answer:

A and C

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

We have x = 7 so now solve for y by replacing x with 7 in this equation 2x + y = 20

Ivahew [28]

Answer:

y=6

Step-by-step explanation:

2(7)=14.

subtract both sides by 14.

y=6

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