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3 years ago

8

Which is the equation of the line that passes through the points (4.3) and (2. 6)? Like how I do this because I had infinite ans

wers that was wrong one may be right

1 answer:

Cerrena [4.2K]3 years ago

4 0

Answer: C

Step-by-step explanation: You have to graph the 2 points and plug in each answer until the slope passes through

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A rectangle has vertices at these coordinates.

lawyer [7]

Since the x coordinates are 2 for (2,-2) and (2,5), you can assume that the 4th vertex's x coordinate would be (-1) since there is only one coordinate with -1 given.
It should be (-1,-2) since the 1st vertex should correspond to the 4th

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3 years ago

A month of the year is selected at random. What is the probability that it has 31 days or starts with the letter J

Sidana [21]

Answer:

1/6

Step-by-step explanation:

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3 years ago

Mia teaches jazz classes. She has 9 students in each class, and she teaches all the students who play two instruments. How many

LenaWriter [7]

Well I need to know how many classes does the she teach and it would be 18

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4 years ago

Madeline has used 50 sheets of a roll of paper towels, which is 5/8 of the entire roll. The equation 5/8s = 50 can be used to fi

raketka [301]

Answer:

s=80

Step-by-step explanation:

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4 0

4 years ago

A random sample of 1000 registered voters in Flagstaff found 760 registered voters who support immigration reform. Find a 95% co

dusya [7]

Answer: $(0.7335,\ 0.7865)$

Step-by-step explanation:

Given : A random sample of 1000 registered voters in Flagstaff found 760 registered voters who support immigration reform.

sample size : n= 1000

sample proportion: $\hat{p}=\dfrac{760}{1000}=0.76$

Critical value for 95% confidence interval = $z_{\alpha/2}=1.96$

Confidence interval :

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\=0.76\pm(1.96)\sqrt{\dfrac{0.76(1-0.76)}{1000}}\\\\=0.76\pm0.0264708866493\\\\\approx0.76\pm0.0265\\\\=(0.76-0.0265,\ 0.76+0.0265)=(0.7335,\ 0.7865)$

Hence, the 95% confidence interval for the true percent of registered voters in Flagstaff who support immigration reform: $(0.7335,\ 0.7865)$

6 0

3 years ago