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Aneli [31]
3 years ago
11

What’s twice the difference of a number and 8 is at least -20 using x as a variable into a inequality please help!!!

Mathematics
1 answer:
alexdok [17]3 years ago
7 0
the answer is x-8=20
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6.6666 rounded to the thousandths
NikAS [45]
The answer is 6.67 hope this helps :D
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3 years ago
Read 2 more answers
What is the volume of this sphere?
JulsSmile [24]
<h3>Answer:  24416.64</h3>

Work Shown:

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6 0
2 years ago
Coopers &amp; Lybrand surveyed 210 chief executives of fast-growing small companies. Only 51% of these executives had a manageme
densk [106]

Answer:

<em>92% Of confidence intervals to estimate the proportion of all fast-growing small companies that have a management succession plan.</em>

<em>(0.46154 , 0.558)</em>

Step-by-step explanation:

Given sample size 'n' = 210

The sample proportion 'p' = 51% = 0.51

<em>Confidence intervals are determined by</em>

(p^{-} - z_{\alpha } \sqrt{\frac{p^{-} (1-p^{-} }{n} }  , p^{-} +Z_{\alpha } \sqrt{\frac{p^{-} (1-p^{-} )}{n } } )

The 92% of z-score value

Z_{\frac{\alpha }{2} } = Z_{\frac{0.08}{2} } = Z_{0.04} = 1.405

<em>92% Of confidence intervals to estimate the proportion of all fast-growing small companies that have a management succession plan.</em>

<em></em>(0.51 - 1.405 \sqrt{\frac{0.51 (1-0.51 }{210} }  , 0.51 +1.405 \sqrt{\frac{0.51 (1-0.51)}{210 } } )<em></em>

<em>on calculation , we get</em>

<em> (0.51-0.048 , 0.51 + 0.048)</em>

<em>(0.46154 , 0.558)</em>

<u><em>Final answer:-</em></u>

<em>92% Of confidence intervals to estimate the proportion of all fast-growing small companies that have a management succession plan.</em>

<em>(0.46154 , 0.558)</em>

<em></em>

3 0
3 years ago
It takes you 3 hours to drive to a concert 135 miles away how many miles
icang [17]
135 miles / 3 hours = 45 mph
4 0
3 years ago
WILL MARK BRAINLIEST!<br><br> Calculate m &lt; VXW in Parallelogram XYVW
TEA [102]
M < VXW = 68 degrees

Remember the shape is a parallelogram so you can use alternate interior angles to find the angle of the right triangle. Then you subtract from 180 so it’s 180-52-60=68
7 0
3 years ago
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