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3 years ago

9

Suppose you have the points (5 ,8) and (2 ,3) how do you creat a equation in slope intercept form that passes through those two

points?

1 answer:

anyanavicka [17]3 years ago

6 0

If you put it into the slope intercept from (x1,y1) and (x2,y2)

then subtract 3-8 and 2-5 you should get 5\3 as your answer.

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How many students text during class? A student created an anonymous survey asking students whether or not they text in class. Of

Misha Larkins [42]

Answer:

1 quantitative

2 32 responded yes, 18 responded no

3 margin error 32%{n}

4 error of students on their phone / not

5 18/-/50

6 16%

7 2%

Step-by-step explanation:

a 95% confidence interval with a 4 percent margin of error means that your statistic will be within 4 percentage points of the real population value 95% of the time.

The margin of error tells you the range of values above and below a confidence interval.

8 0

3 years ago

What is the domain and range of f(x)=-x squared -9

NNADVOKAT [17]

Answer:

D : - ∞ < x < + ∞

Because the function is always defined,so the the domain goes from - to + infinity.

8 0

3 years ago

Find the median of the data.

Drupady [299]

Answer:

Step-by-step explanation:

1,2,2,3,4,5,7

Median is 3

5 0

3 years ago

Mari and Kai's test scores are shown below: Mari: 72, 80, 90, 73, 74, 90 Kai: 56, 63, 70, 100, 32, 23 If Kai and Mari both got a

mezya [45]

Answer:

A. Kai

Step-by-step explanation:

1st Step - find the average test scores for Mari and Kai

1st Step - find the average test scores for Mari and Kai

Mari: 72 + 80 + 90 + 73 + 74 + 90 = 479

479 ÷ 6 (total number of tests) = 79.8 (Average test score for Mari)

Kai: 56 + 63 + 70 + 100 + 32 + 23 = 344

344 ÷ 6 (total number of tests) = 57.3 (Average test score for Kai)

2nd Step - Now each student got a 100 on the next test (the 7th test). So add 100 to the initial total.

Mari: 479 + 100 = 579

579 ÷ 7 (new total number of tests) = 82.7 (New average test score for Mari)

Kai: 344 + 100 = 444

444 ÷ 7 (new total number of tests) = 63.4 (New average test score for Kai)

3rd Step - find the difference between Mari's test scores. then find the difference between Kai's test scores to see who will have the greatest increase in math grade.

Mari: 82.7 - 79.8 = 2.9

Kai: 63.4 - 57.3 = 6.1

6.1 is greater than 2.9

8 0

3 years ago

A is the point (10,4) and B is the point (4,-6).

schepotkina [342]

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ A(\stackrel{x_1}{10}~,~\stackrel{y_1}{4})\qquad B(\stackrel{x_2}{4}~,~\stackrel{y_2}{-6}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{4+10}{2}~,~\cfrac{-6+4}{2} \right)\implies (7,-1) \\\\[-0.35em] \rule{34em}{0.25pt}$

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ \stackrel{\textit{origin}}{(\stackrel{x_1}{0}~,~\stackrel{y_1}{0})}\qquad \stackrel{\textit{midpoint of AB}}{(\stackrel{x_2}{7}~,~\stackrel{y_2}{-1})}\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{(7-0)^2+(-1-0)^2}\implies d=\sqrt{7^2+(-1)^2} \\\\\\ d=\sqrt{48}\implies d\approx 6.93$

7 0

3 years ago