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MAXImum [283]
3 years ago
14

Help with 8 would be really appreciated!!

Mathematics
2 answers:
Mrac [35]3 years ago
4 0
Answer:
(4,2)
because when x=4, we got
2y=-4+8
y=4/2
=2
klemol [59]3 years ago
3 0
None of these are solutions. because of the points given satisfy the equation.
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7 yards = to how many feet
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21 Feet

Step-by-step explanation:

7 yards is equal to 21 feet

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2/3x = y -6 linear or nonlinear
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3 years ago
On day two of a study on body temperatures, 106 temperatures were taken. Suppose that we only have the first 10 temperatures to
NemiM [27]

Answer:

The 95% confidence interval for the mean of all body temperatures is between 97.76 ºF and 99.12 ºF

Step-by-step explanation:

We have the standard deviation for the sample, so we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 10 - 1 = 9

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 9 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.2622

The margin of error is:

M = T*s = 2.2622*0.3 = 0.68

In which s is the standard deviation of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 98.44 - 0.68 = 97.76 ºF

The upper end of the interval is the sample mean added to M. So it is 98.44 + 0.68 = 99.12 ºF

The 95% confidence interval for the mean of all body temperatures is between 97.76 ºF and 99.12 ºF

4 0
3 years ago
If the car spends no time going 35 miles per hour, about how long would the trip take? Round the answer to the nearest hundredth
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3 years ago
Its that time of day :D plz help with math
konstantin123 [22]

Answer:

Step-by-step explanation:

4 11

6 0
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Read 2 more answers
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