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Tanya [424]
3 years ago
9

The slope of the line below is -8/7 write a point slope equation of the line using coordinates of the labeled point

Mathematics
2 answers:
Vladimir79 [104]3 years ago
8 0
I think the answer isD
faust18 [17]3 years ago
4 0
Y - 4 = -8/7(x - 4)

the answer to the question is d
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The mean family income for a random sample of 600 suburban households in Loganville shows that a 95 percent confidence interval
Misha Larkins [42]

Answer:

43100 \leq \mu \leq 59710

And for this case we want to test the following hypothesis:

Null hypothesis: \mu =42000

Alternative hypothesis: \mu \neq 42000

For this case since the lower value of the confidence interval is higher than 42000 we have enough evidence to reject the null hypothesis at the 55 of significance and we can conclude that the true mean is significantly different from 42000

Step-by-step explanation:

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

And for this case the 95% confidence interval is already calculated as:

43100 \leq \mu \leq 59710

And for this case we want to test the following hypothesis:

Null hypothesis: \mu =42000

Alternative hypothesis: \mu \neq 42000

For this case since the lower value of the confidence interval is higher than 42000 we have enough evidence to reject the null hypothesis at the 55 of significance and we can conclude that the true mean is significantly different from 42000

7 0
3 years ago
Use the disruptive property to simplify the expression 4(2x-4)
KIM [24]

Answer:

C.8x - 16

Step-by-step explanation:

multiple 4 with 2x = 8x,

then multiple 4 with -4 = -16

add 8x and -16 the answer is 8x - 16

5 0
3 years ago
Suppose your SAT score is 1490. You look up the average SAT scores for
vivado [14]
The best in quality will probably be the 1470 but easiest to get i to is probably 1190 because if your sat score is way above their average they will think you are flaunting and deny your request
Plz mark as brainliest!
6 0
3 years ago
Juanita has 16 model cars and 48 model trains. What is the ratio of the wmber of trains to the member of cars?
svetoff [14.1K]

Answer:

1:3

Step-by-step explanation:

but thats not and answer

6 0
2 years ago
Arianna cycles for 3 hours at a speed of 40 mph. what distance did she travel
Phantasy [73]

40 × 3 = 120 miles

that's it

5 0
2 years ago
Read 2 more answers
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