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stellarik [79]
3 years ago
14

(4+5)²-(-2)²×(13+7) ayúdenme es para hoy​

Mathematics
2 answers:
ser-zykov [4K]3 years ago
8 0
(9)^2 - (-4) • (20)
81 - (-80)
161
ExtremeBDS [4]3 years ago
7 0
The answer is 1 i think
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|x-2| + |2x+1| ≥ 3<br> How to solve this inequality? HELP
Phoenix [80]

Answer: \begin{bmatrix}\mathrm{Solution:}\:&\:x\le \:-\frac{2}{3}\quad \mathrm{or}\quad \:x\ge \:0\:\\ \:\mathrm{Decimal:}&\:x\le \:-0.66666\dots \quad \mathrm{or}\quad \:x\ge \:0\\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:-\frac{2}{3}]\cup \:[0,\:\infty \:)\end{bmatrix}

Step-by-step explanation:

\left|x-2\right|+\left|2x+1\right|\ge \:3

x

x\le \:-\frac{2}{3}\quad \mathrm{or}\quad \:0\le \:x

x\le \:-\frac{2}{3}\quad \mathrm{or}\quad \:x\ge \:0

4 0
2 years ago
I almost got the problem but the problem was the rounding. I believe I rounded right but it is still incorrect. Can someone plea
ella [17]

Answer: The answer that I got for z was 0.111575, which when you round it to the hundredths place would be 0.11

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3 years ago
Find points and graph the following equation. Is this a linear graph? -5x + 6y = 2
anastassius [24]

Answer:

Yes

Step-by-step explanation:

It is a linear graph.

4 0
3 years ago
Gary is trying to save $60 to buy new parts for his bike. He has saved 45% of
eimsori [14]

Answer:

Step-by-step explanation:

Gary need 60 dollars, but he saved only 45%

60*(45/100)=27

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4 0
2 years ago
Under which conditions do you expect helium gas to deviate most from ideal behavior?
kherson [118]
"300 K and 2 atm" is the condition among the conditions given in the question that you can <span>expect helium gas to deviate most from ideal behavior. The correct option among all the options that are given in the question is the second option or option "b". I hope the answer has helped you.</span>
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3 years ago
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