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photoshop1234 [79]
3 years ago
11

What is the answer to 4819 / 68​

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
7 0

Answer:

either 70.86 or 70.87 depending on if they want you to round up

Drupady [299]3 years ago
6 0

Answer:

= 70.8676471

Step-by-step explanation:

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VMariaS [17]
<span>forth to the sun is 1 light-year</span>
6 0
3 years ago
Find the midpoint of the line segment joining the points (10,14) and (-7,7).
LekaFEV [45]

Answer:

(1.5, 10.5)

Step-by-step explanation:

midpoint =  \bigg( \frac{10 + ( - 7)}{2},  \:  \:  \frac{14 + 7}{2}  \bigg) \\  \\  = \bigg( \frac{3}{2}, \:  \:  \frac{21}{2}  \bigg) \\  \\  = = ( 1.5,  \:  \:  10.5 )

3 0
3 years ago
It is believed that Lake Tahoe Community College (LTCC) Intermediate Algebra students get less than seven hours of sleep per nig
Kitty [74]

Answer: No , at 0.05 level of significance , we have sufficient evidence to reject the claim that LTCC Intermediate Algebra students get less than seven hours of sleep per night, on average.

Step-by-step explanation:

Let \mu denotes the average hours of sleep per night.

As per given , we have

H_0:\mu=7\\H_a:\mu

, since H_a is left-tailed and population standard deviation is unknown, so the test is a left-tailed t -test.

Also , it is given that ,

Sample size : n= 22

Sample mean : \overline{x}=7.24

Sample  standard deviation : s= 1.93

Test statistic : t=\dfrac{\overline{x}-\mu}{\dfrac{s}{\sqrt{n}}}

i.e.  t=\dfrac{7.24-7}{\dfrac{1.93}{\sqrt{22}}}\approx0.58

For significance level \alpha=0.05 and degree of freedom 21 (df=n-1),

Critical t-value for left-tailed test= t_{\alpha, df}=t_{0.05,21}=- 1.7207

Decision : Since the test statistic value (0.58) > critical value  1.7207, it means we are failed to reject the null hypothesis .

[Note : When |t_{cal}|>|t_{cri}|, then we accept the null hypothesis.]

Conclusion: We have sufficient evidence to reject the claim that LTCC Intermediate Algebra students get less than seven hours of sleep per night, on average.

6 0
3 years ago
Which answers are examples of the Law of Detachment?
Molodets [167]

Answer:

The answer would be A and D, I just took the quiz

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Jaquez earns money by doing yard work. It takes her an average of 3 hours to pull weeds and an average of 2.5 hours to mow the l
vodomira [7]

Answer:

Step-by-step explanation:

Let x = number of hours to pull weed in a day

Let y = number of hours to now lawn in a day

It takes her an average of 3 hours to pull weeds and an average of 2.5 hours to mow the lawn. She can work no more than 8 hours a day.

This means

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This means she charges

50x +65y

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50x + 65y greater than or equal to 120

4 0
3 years ago
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