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olganol [36]
3 years ago
6

What is the midpoint between these two endpoint (5,2) and (11,14)

Mathematics
2 answers:
Delvig [45]3 years ago
8 0

Answer:

noghrigrhohgrhroghogrohgrhhgro

Step-by-step explanation:

fheufeibfevifdvfuirvefyrveyfreofvurvuofrsvfevousvtuoesgtgesougs

HACTEHA [7]3 years ago
4 0
Hiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
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Solve for x using technology 2 log 3(x-1)=log(4 x 2-25)
bagirrra123 [75]
<span>2 log 3(x-1)=log(4 x 2-25)
1.  Determine the domain.  Since the input to the log function cannot be zero or negative, 4x^2-25 must be </span>≥ 0.  Thus, x^2 must be >0, or x>0.  Same domain applies to log (3(x-1); x must be > 0.
2.  Rewrite <span>2 log 3(x-1) as log 3(x-1)^2.
3.  Then we have </span>log 3(x-1)^2 = log(4 x 2-25).  We can discard the operator "log" from both sides:   3(x-1)^2 = 4 x 2-25.  There are various ways in which to solve this.  Since you're supposed to "use technology," 
graph y = 3(x-1)^2 and y = 4x^2 - 25 on the same set of axes.  Determine, using visual estimation or your calculator's tools, the value or values of x that satisfy this equation.  My result was x=3, y =11.


3 0
3 years ago
Can someone help me?! ​
Sever21 [200]

Answer:

10 km

Step-by-step explanation:

5 0
3 years ago
Find the union and interesection of each of the following A={3,6,9,12}, B ={6,8,9}
Archy [21]

Answer:

Hello,

The answer would be,

A union B = {3,6,9,12}

and A intersection B= {6,9}

4 0
3 years ago
Read 2 more answers
HighTech Inc. randomly tests its employees about company policies. Last year in the 560 random tests conducted, 26 employees fai
Tanzania [10]

Answer:

The 98% confidence interval for the proportion of applicants that fail the test is (0.025, 0.067).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

560 random tests conducted, 26 employees failed the test. This means that n = 560, \pi = \frac{26}{560} = 0.046

98% confidence level

So \alpha = 0.02, z is the value of Z that has a pvalue of 1 - \frac{0.02}{2} = 0.99, so Z = 2.33.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.046 - 2.33\sqrt{\frac{0.046*0.954}{560}} = 0.025

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.046 + 2.33\sqrt{\frac{0.046*0.954}{560}} = 0.067

The 98% confidence interval for the proportion of applicants that fail the test is (0.025, 0.067).

5 0
3 years ago
12 workers take 4 hours to complete a job. How long would it take 15 workers to complete the job?
slavikrds [6]

Answer:

3.2 hours

Step-by-step explanation:

12 workers * 4 hours = 48 worker hours

15 workers  * x hours = 48 worker hours

48 /15 =3.2 hours

6 0
3 years ago
Read 2 more answers
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