2 QUESTIONS 20 POINTS AND BRAINIEST IF YOU GET THEM CORRECT! THANK YOU! <3

Mathematics

2 answers:

kenny6666 [7]2 years ago

8 0

For Question 4, you first need to find how many patients went to buy contacts and how many patients went to buy glasses.

According to the graph, the number of people who bough contacts was 11 (between 10 and 12), and the number of people who bought glasses was 4.

Subtract these numbers: 11 - 4 = 7 patients, or choice (B).

For Question 2, look at the data. The lowest is 228 and the highest is 385. You would want a range that fits this best, and the range 200 to 400 would be best without cramming and without too much empty space.

The answer is (D).

kari74 [83]2 years ago

7 0

The answer to the first question is 7

Second one is 200-400

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3 years ago

Find the equation of the line with a slope of 3/4 and passes through (4-2)

Ira Lisetskai [31]

Answer:

y = 3/4x - 5

Step-by-step explanation:

An equation of a line can be written in slope-intercept form:

y = mx + b

where m is the slope and b is the y-intercept.

Let's plug in what we know.

The slope is 3/4.

y = 3/4x + b

To find b, we want to plug in a value that we know is on this line: in this case, I will use the point (4, -2). Plug in the x and y values into the x and y of the standard equation.

-2 = 3/4(4) + b

To find b, multiply the slope and the input of x(4)

-2 = 3 + b

Now, subtract 3 from both sides to isolate b.

-5 = b

Plug this into your standard equation.

y = 3/4x - 5

This is your equation. It has a slope of 3/4, and passes through (4, -2)

Hope this helps!