earnings * 20 percent = 17
earnings * .2 = 17
divide by .2 on each side
earnings = 17/.2
earnings = $85.00
Answer:
Step-by-step explanation:
The slope of a graph is also known as its gradient, which is the steepness of the graph.
If we are given two points on the line, we can find the slope by taking rise/ run, which is the ratio of the change in y-coordinate against the change in the x-coordinate. This can also be written as a formula:
☆ (x₁, y₁) is the first coordinate and (x₂, y₂) is the second coordinate
In this question, we are given the equation of the line. This equation is already in the slope-intercept form (y= mx +c) since the coefficient of y is 1 and all the other terms are on the other side of the equal sign. In the slope-intercept form, m is the slope while c is the y-intercept.
m= ⅘ since the coefficient of x is ⅘ in the given equation (when the equation is in the slope-intercept form).
Answer:
x=
Step-by-step explanation:
Given:
This is a quadratic equation.
Taking common 3 from the equation given
⇒
dividing both side by 3
⇒
By using different factor, we can observe this trinomial can not be factored.
∴ solving it by completing the square.
⇒
adding 9 on both side
⇒
To get a perfect square number as coeffecient of x is 4, lets add both side by 4.
⇒
we know,
∴
Taking Square root on both side, remember; √a²= a
⇒
opening parenthesis
⇒
subtracting both side by 2
∴ x=
Answer:
61.31
Step-by-step explanation:
By using sinus rule