Answer:
thx bb
Step-by-step explanation:
The equation of a line is y=mx+b
To find the gradient you calculate the change in Y/change in X.
To find the y-intercept you should plug it in a graphic calculator.
It is very important to read the question very minutely and then it would be easy to reach a logically correct solution. It is important to note that "y" is greater than or equal to 12 and y is considered as all real numbers. Then we can mathematically represent this situation as
y <span>≥ 12</span>
There is a correlation between the number of hours spent on studies and the score on music tests.
We have given that,
The table below shows the data:
Number of hours spent studying (x) 0 0.5 1 1.5 2 2.5 3 3.5 4
Score on music test (y) 60 62 64 66 68 70 72 74 76
<h3>How to explain the correlation?</h3>
As we increase the 0.5 hours of studying, then the music score increases by 2. The function which best fits the data for the correlation is y=60 + 4x
The slope and y-intercept of the plot indicate that Y= score obtained in music test and number of hours spent on studying.
The slope of the above equation represents the rate of increase in music score with respect to an increase in the number of hours spent on studying.
The y-intercept gives the music score when the number of hours spent on studying is zero.
Learn more about correlation on:
brainly.com/question/4219149
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Answer:
a: 30 b: -7 c. -11
Step-by-step explanation:
a. (3)(-5)(-2)
Which is 3x-5x-2:
3x-5 is -15
-15x-2=30
b. -5-2=-7
c. 3(-2)+-5
-6+-5=-11
Hence, the correct answers are 30,-7,-11
