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aleksandrvk [35]

3 years ago

12

W.E.

1 answer:

ICE Princess25 [194]3 years ago

5 0

Answer:

I don't know please ask others oknlet see bye

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Pls help ill give brainliest !!

AnnyKZ [126]

Answer:

4

Step-by-step explanation:

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3 years ago

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kobusy [5.1K]

$a(x+3) < 5x+15-x\\\\ax+3a < 5x+15-x\\\\ax+3a < 4x+15\ \ \ |-3a\\\\ax < 4x+15-3a\ \ \ \ |-4x\\\\ax-4x < 15-3a\\\\(a-4)x < 15-3a\\\\\text{The solution is all real numbers if}\ a-4=0\ \ \ |+4\\\\\boxed{a=4}\\\\\text{Check:}\\\\4(x+3) < 5x+15-x\\4x+12 < 4x+15\ \ \ \ |-4x\\12 < 15\ TRUE\to x\in\mathbb{R}$

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3 years ago

When sound is created it travels to the ear through a

dusya [7]

Answer:

medium

Step-by-step explanation:

The right answer is Medium, because to travel through the ear the sound wave must go through the ear drum.

3 0

2 years ago

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Can someone answer this please

lidiya [134]

Answer:

last one or d

Step-by-step explanation:

because she has less then 324

7 0

2 years ago

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X^2-6x+9<br><br>quadratic equations

kipiarov [429]

think the answer is
x=6+sqrt0/2 x=6-sqrt0/2 both equaling into 3.

But I might be wrong.

6 0

2 years ago