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3 years ago

Help asaappp multiple choice!

Mathematics

1 answer:

aliina [53]3 years ago

8 0

Answer:the second one

Step-by-step explanation:

3x cubed-13x squared +7x-12

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Add and simplify the result, if possible. x/18 + 3/18

Slav-nsk [51]

$\frac{x}{18}$ and $\frac{3}{18}$ both have a common denominator, so you can combine them into a single fraction:

$\frac{x}{18}+\frac{3}{18}=\frac{x+3}{18}$

You cannot simplify this fraction further:

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Answer:

$\boxed{\frac{x+3}{18}}$

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3 years ago

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Lelu [443]

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$area = 27 \times 16$

$area = 432$

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3 years ago

Humberto evaluates the expression 4t² for t=3. what is the answer??

Artist 52 [7]

4t<span>²
= 4(3)</span><span>²
= 4 x 9
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3 years ago

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3 years ago

Suppose that you are a member of this arbitration panel. Construct a 95% confidence interval for the true mean return of the inv

lisabon 2012 [21]

Answer: Margin of Error = 1.944

Lower Bound = 3.052

Explanation:-

Attached below is a file for monthly Rate of return. Used an excel sheet to determine the confidence interval which seems relatively easier as compared to manual computation. The range below (A2:A40) shows the monthly

Functions used : Standard Deviation as= STDEV (A2:A40)

Sample Mean = AVERAGE(A2:A40)

Margin of Error = CONFIDENCE.T(D4,D5,D2)

Lower Bound Interval = D6-D7 = -3.052

3 0

3 years ago