X = 47 + 9y
xy = 1860

y(47 + 9y) = 1860
47y + 9y² = 1860
9y² + 47y - 1860 = 0

> using a quadratic equation solver on a calculator but you can also use the quadratic equation = [-b+/- √(b²-4ac)]/(2a)
> only integer solution is x = 12

12y = 1860
y = 155

integers are 12 and 155

8 0

3 years ago

Suppose that a student has $150 in a band savings account at the start of the school year. Calculate the change in that savings

Roman55 [17]

150 12 x 10=120+150= 270

4 0

3 years ago

Graph the functions f(x) = -6x +2 and g(x) = -22+2 +6 on the same coordinate plane

Juliette [100K]

X=0 and x=2, the first graph is a line, the second graph is logrithmic and there are two points of intersection

4 0

3 years ago