Answer: y = -5x - 3.
Explanation:
When you know the slope and the y-intercept you can directly write the slope-intercept equation of the line.
The slope-intercept equation of the line has the form: y = mx + b, where m is the slope and b is the y-intercept.
Here you know m = -5 and b = -3, hence you just have to substitute those values in the general slope-intercept form, which is:
That equation represents the line, which means tha every point in the line will be an ordered pair of the function. For example:
x y = -5x - 3
- 10 -5(-10) - 3 = 50 - 3 = 47
0 0 - 3 = - 3 (this is the y-intercept)
10 -5(10) - 3 = - 50 - 3 = - 53
Answer:
18
Step-by-step explanation:
4x + 5x = 180
10x = 180
x = 18
Answer:
0.31% = 0.0031 in decimal form.
Step-by-step explanation:
Percent means 'per 100'. So, 0.31% means 0.31 per 100 or simply 0.31/100. If you divide 0.31 by 100, you'll get 0.0031 (a decimal number).
