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Marta_Voda [28]
3 years ago
15

Mrs. Smith surveyed her class of 20 students to find out what sports they played. The results are recorded below. Based on the t

able’s rates, how many students out of 40 would play baseball?
Mathematics
2 answers:
Anika [276]3 years ago
6 0

Answer:

where is the chart?

Step-by-step explanation:

Irina-Kira [14]3 years ago
5 0

Answer:

20

Step-by-step explanation:

You might be interested in
A square fits exactly inside a circle with each of its vertices being on the circumference of the circle
Karo-lina-s [1.5K]
Draw or sketch out any problems like this, otherwise they appear abstract.

A circle’s area can be calculated by (pi d^2)/4 We have an area of 56 cm (^2?), so

pi d^2 = 56 x 4 (or 224) d^2 = 224/pi, d = √(224/pi)

A circle circumscribed around a square has a diameter equivalent to the length of the square’s diagonal, so the square’s diagonal is √(224/pi) (same as the circle diameter…)

A square’s side can be calculated, knowing its diagonal length, by use of Pythagoras’ theorem… The diagonal √(224/pi) is squared, divided by two, since the square’s sides are all equal, and the resulting number’s square root is calculated.

Squaring √(224/pi), we get 224/pi, and dividing by two, we get 112/pi, which is 35.6507 (cm^2), and the square root is 5.9708 cm, the side of the square.

I cannot emphasize enough that a drawing or sketch is an invaluable tool for these tasks, it saves having to retain a “picture” in your head. Note that a calculator was not required up until the last moment, dividing 112 by pi, and finding the square root of that answer. Picking up the calculator too early obliges you to transcribe numbers from the calculator to paper, and that can lead to issues. Try to enjoy maths, see it as a challenge not a chore. (and use correct units!)
2.3K views
Related Questions (More Answers Below)
4 0
3 years ago
Determine the equation of the linear function that has a slope of -4 and passes through the point (2,-4). Write the equation in
padilas [110]

Answer:

Part 1) y=-4x+4

Part 2) The graph in the attached figure

Step-by-step explanation:

Part 1)

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope

b is the y-intercept

we have

m=-4\\point\ (2,-4)

substitute in the linear equation

-4=-4(2)+b

solve for b

-4=-8+b\\b=8-4\\b=4

substitute

y=-4x+4

Part 2) Draw the equation

we know that

To graph a line we need two points

we have the y-intercept (0,4) and (2,-4)

Plot the points, connect them and join to draw the line

see the attached figure

7 0
3 years ago
Please look at the picture and answer it thank you.
ElenaW [278]

Answer:

x = 17

Step-by-step explanation:

The sum of all angle measures in any triangle is 180 degrees.

  • Thus, 23 + 5x - 18 + 90 = 180.

Step 1: Simplify both sides of the equation.

  • (5x)+(23+90-18)=180
  • 5x+95=180

Step 2: Subtract 95 from both sides.

  • 5x+95-95=180-95
  • 5x=85

Step 3: Divide both sides by 5.

  • 5x/5=85/5
  • x=17

Step 4: Check if solution is correct.

  • (5*17-18)+23+90=180
  • 67+23+90=180
  • 180=180

Thus, x = 17.

6 0
2 years ago
Help help this is 10 points
Delicious77 [7]

Answer:

The anwser you are looking for is number 2

Step-by-step explanation:

7 0
3 years ago
Which expression has the same value as –y^–4?
MrMuchimi
Answer is b

–y^–4 = – 1/y^4

hope that helps
8 0
3 years ago
Read 2 more answers
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