Use Desmos. It is good.
Here is the graph.
https://www.desmos.com/calculator/wq4kzps9fq
To change the color, you have to click on the line next to the formula for a long time. A window will pop up so you can change the color.
Answer:
$6898.50
Step-by-step explanation:
Cost price of one book = $10.95
Question says 630 friends bought her books.
And asks for total sales she made.
So we multiply cost of one book with the number of customers , it will give us the total sales.
So
Total sales = $10.95 * 630 = $6898.50
Total sales = $6898.50
Answer:
there are 10 triangles
Step-by-step explanation:
B. Line graph A line graph is often the most effective format for illustrating a relationship between two variables that are both changing.
Answer:
Applying the quadratic formula.
Exact Form:
x=32,−92
Decimal Form:
x=1.5,−4.5
Mixed Number Form:
x=112,−412
Step-by-step explanation:
Solve the equation: x2 + 3x -27/4 = 0 With the coefficients: a = 1, b = 3, c = -6.75 a ≠ 0 With ∆ = 36> 0 => Equation has 2 distinct solutions
x1 = 1.5, x2 = -4.5
