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Wewaii [24]
3 years ago
7

Expand.

Mathematics
1 answer:
liraira [26]3 years ago
8 0

Answer:

2z^3 - 5z^2 + 4z - 1

Step-by-step explanation:

(2z - 1)(z^2 – 2z+ 1) =

= 2z^3 - 4z^2 + 2z - z^2 + 2z - 1

= 2z^3 - 5z^2 + 4z - 1

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loris [4]
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Thus option A gives the correct answer
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3 years ago
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Sonja [21]

Answer:

I don't know if this what you want but I will explain how I think the answer is.

Step-by-step explanation:

a) You're at positive 5, and the integer explains that you're adding negative three spaces, which just means you go back three spaces. Your spot on the number line should be 2.

b) It says to go 3 spaces back from 5. Your spot on the number line will be two.

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d) You're on -3 on the number line. You remove positive 5, so your new spot on the line is -8.

e) You're at -5. You're removing positive 3. Your going back three spaces. So you would be at -8.

7 0
4 years ago
Read 2 more answers
I’ll give 15. What is the missing side length in the triangle below?
Dmitry [639]

Answer:

40 ft

Step-by-step explanation:

The fiagram shows the right triangle (one angle is right angle).

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\text{Leg}_1^2+\text{Leg}_2^2=\text{Hypotenuse}^2

From the diagram,

\text{Leg}_1=24\ ft\\ \\\text{Leg}_2=32\ ft\\ \\\text{Hypotenuse}=c\ ft,

then

24^2+32^2=c^2\\ \\c^2=576+1,024\\ \\c^2=1,600\\ \\c^2=40^2\\ \\c=40\ ft

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Step-by-step explanation:

1. 3x>18

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3 years ago
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3 years ago
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