1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
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

You might be interested in
Match the vocabulary words with the right definitions. 1. a relation where for any given input value there is only one output va
pochemuha

Answer:

Step-by-step explanation:

1. Relation - a set of ordered pairs

2. Vertical line test - a test used to determine if a graph is a function; states that a vertical line can only go through one point on the graph to be a function

3. Function - a relation in which for any given input value, there is only one output value

4. Output -  value generated by a function when an input value is substituted into the function and evaluated

5. Ordered pair - a group of two numbers written in the form (x, y) where the x value represents a horizontal position and the y value represents a vertical position

6. Mapping Diagram - a table or diagram that represents a mathematical relation

7. Input - a value that is substituted in for the variable in a function in order to generate an output value

3 0
2 years ago
In ΔHIJ, the measure of ∠J=90°, IH = 65, HJ = 56, and JI = 33. What is the value of the sine of ∠I to the nearest hundredth?
solmaris [256]

Answer:

0.86

Step-by-step explanation:

Draw the triangle.

Since ∠J=90°, this is a right triangle, so we can use SOH-CAH-TOA to find sin∠I.

sin∠I = 56/65

sin∠I = 0.86

5 0
3 years ago
A gym membership charges a one-time application fee of $15, plus $32 each month. Which of the following equations could represen
avanturin [10]

Answer:

The answer is A. y =32x + 15

Step-by-step explanation:

The reason behind this is the rate. The amount of money each month is the slope (m). The additional fee would be the b.

4 0
2 years ago
Solve for the missing variable<br><br> 3.5x=14
Juli2301 [7.4K]
Divide each term by 3.5 to get x=4.
3 0
3 years ago
The circumference of Earth is 40,000 kilometers. How many trips around Earth could you
puteri [66]
I’m answer is around 40
7 0
2 years ago
Other questions:
  • Lia must work at least 5 hours per week in her family’s restaurant for $8 per hour. She also does yard work for $12 per hour. Li
    10·1 answer
  • Eliza and Jamie are making cupcakes for a bake sale at school. Eliza need 2 1/3 c of flour for her recipe, and Jamie needs 1 3/4
    12·1 answer
  • How do i simply the expression??
    15·1 answer
  • Jane wants to estimate the proportion of students on her campus who eat cauliflower. after surveying 39 ​students, she finds 4 w
    6·1 answer
  • HELP HELP ASAP PLEASE! will give brainlie s t
    11·1 answer
  • In the Spring of 2021 the statistics course did a survey of the average number of parking tickets students received by gender. W
    7·1 answer
  • Georgie is 40 years old <br> Her friends summer is 7/8 of her age <br> How old is summer?
    15·2 answers
  • Ashley needs to ride her bike to her friend’s house 96 miles away. She is riding at an average rate of 15 miles per hour. She ha
    7·2 answers
  • What is the value of x ? <br> a. 10.4<br> b. 52<br> c. 61.6 <br> d. 92
    6·1 answer
  • Doughnuts cost $3.45 for a dozen at Store A, and cost $2.40 for 8
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!