3 years ago

F(-1)=4-3x F(2)=4-3x

1 answer:

6 0

4-3(-1) = 7
4-3(2) = -2

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Firlakuza [10]

Answer:

$x\le \:3$

Step-by-step explanation:

$-24\leq x-3-8x$

$-24\leq -7x-3$

$-24 +3 \leq -7x-3+3$

$-21 \leq -7x$

$\frac{21}{7} \leq \frac{7x}{7}$

$3 \leq x$

6 0

3 years ago

KIM [24]

6a - 18. If you need an explanation let me know. Hope this helps.

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3 years ago

galina1969 [7]

Let five moles of oxygen are required to react with 2 moles of acetylene. So, doing a rule of three, we are going to obtain :

5 moles of Oxygen => 2 moles of C2H2

? O2 => 1 mole of C2H2

1.0 mole C2H2×(5 moles O2/2 moles of C2H2) = 2.5 moles of O2

So, the answer is 2.5 moles of oxygen are required to react with 1 mole of acetylene.

3 0

2 years ago

andrey2020 [161]

The answer of the plot box is

8 0

3 years ago

Doss [256]

-5m+17=52
Subtract 17 from both sides
-5m= 35
Divide -5 on both sides
Final Answer: m= -7

4 0

3 years ago