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Juli2301 [7.4K]
3 years ago
8

For several years, Graham has gathered data on students who own a computer and on their performance on a typing-speed test. He c

reates the linear model y = 3.8x + 17.4 where y represents the typing speed, in words per minute, of a student and x represents the number of years the student has owned a computer. According to Graham’s model, what is the approximate speed of a student who has owned a computer for three years?
Mathematics
1 answer:
MrRa [10]3 years ago
7 0

Answer:

29 words/min

Step-by-step explanation:

y = 3.8x + 17.4

y = (3.8 x 3) + 17.4

y= 11.4 + 17.4

y = 28.8 --- 29 words

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Which group had the highest percentage of students like Sport.
Vesnalui [34]

The group that had the highest percentage of students that like Sports is  group B.

The group that had the less percentage of students that like English is group A.

the percentage of students like Math in group A is 30% and 10% in group B

<h3>What are the percentages?</h3>

A pie chart is a graph that displays information in a circle. The circle is divided into slices which represent a numerical proportion. The sum of angles in a pie chart is 360 degrees

Percentage of students that like sports in:

  • Group A = [20 / (20 + 15 + 5 + 10)] x 100 = 40%
  • Group B = [22 / (5 + 4 + 9 + 22)] x 100 = 55%

Percentage of students that like English in:

  • Group A = [5 / (20 + 15 + 5 + 10)] x 100 = 10%
  • Group B = [5 / (5 + 4 + 9 + 22)] x 100 = 22.5%

Percentage of students that like Maths in:

Group A = [15 / (20 + 15 + 5 + 10)] x 100 = 30%
  • Group B = [4 / (5 + 4 + 9 + 22)] x 100 = 10%

To learn more about pie charts, please check: brainly.com/question/26250795

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5 0
2 years ago
[WILL PICK FIRST CORRECT ANSWER AS BRAINLIEST]
riadik2000 [5.3K]
F(3) = 6 - 3 = 3

answer 3
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3 years ago
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A=L times W
Dovator [93]
A= 30ft, because you only have to multiply LxW= A that is equal to 2x15=30ft
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I’ll give you brainiest who ever answer this right
erma4kov [3.2K]

Answer:

y=x+1

Step-by-step explanation:

at each x you move up by 1

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2 years ago
Slope of points (2,2) and (-2,-2)
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SLope = (2 + 2)/(2 + 2) = 4/4 = 1

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