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jenyasd209 [6]
3 years ago
14

What does x equal in x^4-3x^3+7x-2=0

Mathematics
1 answer:
Bond [772]3 years ago
8 0
Your answer x=−1.387158,0.295703
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Based on the survey results from 300 selected students in the Burbank School District (BSD), the 98% confidence interval used to
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Answer:

follows are the solution to this question:

Step-by-step explanation:

Please find the correct question in the attached file:

The formula for calculating the Confidence interval of proportion:

\to CI=\hat{p} \pm Z_{\frac{\alpha}{2}} \sqrt{\frac{\hat{p}(1-\hat{p})}{n}}\\\\\to  \hat{p}=\frac{\text{lower limit +upper limit}}{2}\\

      =\frac{0.48+0.60}{2}\\\\=\frac{1.08}{2}\\\\=0.54

The number of learners with access to working at home on a computer:

= 0.54 \times 300 \\\\=162

Lower limit =0.48

upper limit = 0.60

\to margin \ error = \frac{\text{upper limit - lower limit}}{2}\\

                          =\frac{0.60-0.48}{2}\\\\=\frac{0.12}{2}\\\\= 0.06

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3 years ago
What is 3x4^3/34<br> need ASAP!!
Anastasy [175]

Answer:

3x4^3/34

3×64/34=192/34=96/17 or 5.64

3 0
3 years ago
How do you write 199.4% as a decimal?
allsm [11]

Answer:

1.994

Step-by-step explanation:

"Percent" means "per 100" or "over 100". To convert 199.4% to a decimal rewrite 199.4 percent in terms of per 100 or over 100.

199.4% = 199.4 over 100 or,

199.4%=199.4100

199.4 over 100 is the same as 199.4 divided by 100. Completing the division we get:

199.4 ÷ 100 = 1.994

Therefore, we have shown that

199.4% = 1.994

Simplified Conversion:

Remove the percent sign % and divide by 100.

199.4 ÷ 100 = 1.994

Shortcut Conversion:

Move the decimal point 2 places to the left and remove the percent sign %

199.4% becomes 1.994

8 0
3 years ago
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93.03 in

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Height of square pyramid: √slant height² - (1/2 base side length)²

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3 years ago
Write the product in standard form. ( 7 + 7i)( 6 + 7i)
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I believe  -7 + 91i. i hope this helps

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