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vaieri [72.5K]
3 years ago
9

What is (2x^2+6x-3) added to (2x^3-3x+2)?

Mathematics
2 answers:
Bas_tet [7]3 years ago
8 0
2x² + 6x - 3 + 2x³ - 3x + 2

Combine like terms

2x³ + 2x² + 6x - 3x - 3 + 2

Final answer:
2x³ + 2x² + 3x - 1
aleksklad [387]3 years ago
6 0
2x^3 + 2x^2 + 3x - 1   would be result 


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5.) - 7(-2x - 9) = 133<br> how do you solve this
Ray Of Light [21]

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3 years ago
What is (12-2i) (5+3i) multiplied?
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5 0
3 years ago
A survey of 120 twelfth-graders finds that 36% were carrying more than $15 on the day of the survey. Use the margin of error to
-Dominant- [34]

Answer:

An interval that will likely include the proportion of students in the population of twelfth-graders who carry more than $15 is 960

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For example, Condition 1: n(.05)≤N

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the condition is met.

• Condition 2: np(1-p)≥10

• =

2

10

= .2

• 1 − = 10 .2 1 − .2 = 1.6 . This is less than 10 so this condition is not

met.

It would not be practical to construct the confidence interval.

3 0
2 years ago
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