210 because 3 times 70 is 210. so 210 cm
Answer:
see below
Step-by-step explanation:
54+2x=5x−3(2+6x) Given
Distribute the -3 to all the terms in the parentheses
54+2x=5x−6−18x Distributive property
54+2x=−13x−6 Combine like terms
Subtract 2x from each side
54=−15x−6 Subtraction Property of Equality
Add 6 to each side
60=−15x Addition property of equality
Divide each side by -15 ( or multiply each side by -1/15)
−4=x multiplication Property of equality
Answer:
The equation of the regression line for the following data is:
y=2.4x+120.1
Step-by-step explanation:
We are given a set of data values in table form as:
Day(x) Number of visitors(y)
1 120
2 124
3 130
4 131
5 135
6 132
7 135
Hence, when we draw a scatter plot with the help of these data points using the linear regression calculator we see that the regression line is a line with y-intercept as (0,120.1) and x-intercept as (-50.04,0)
Hence, the regression line for the following data is:
y=2.4x+120.1
Answer:
x amount of money determines y number of hours to make a painting of that cost.
Step-by-step explanation:
The inverse of a function, is the function or rule formed by reflecting the line over y=x. This means essentially that all (x,y) values from the original function switch to (y,x).
(x,y)--->(y,x) in the new function.
If the function determines the amount (y) he makes in x hours. The inverse determines how many y hours it takes to earn x amount of money.