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quester [9]
3 years ago
15

If x = -3, what is the value of (1 - x)^3? Explain why

Mathematics
1 answer:
Anna007 [38]3 years ago
5 0
Hello,

To find the value of (1 - x)³ when x = -3, you just need to substitute x = -3 into the given expression. 

(1 - (-3)³
(1 + 3)³
4³
64

Your final answer is D, 64. Hopefully it helps! :D
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Answer:

We must add 400 ml of water.

Step-by-step explanation:

We can use the following equation:

C_{i}V_{i}=C_{f}V_{f}

Where:

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  • C(f) is the final concentration of the solution (30%)
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Now, we just need to solve the equation for V(f).

V_{f}=\frac{C_{i}V_{i}}{C_{f}}

V_{f}=\frac{80*150}{30}

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I hope it helps you!

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