Answer:
Step-by-step explanation:
We are given the equation:
And we want to solve using the quadratic formula.
First, isolate the equation:
Recall that for equations in the form <em>ax</em>² + <em>bx</em> + <em>c</em> = 0, the solutions are given by:
In this case, <em>a</em> = 2, <em>b</em> = 4, and <em>c</em> = -15.
Substitute and evaluate:
In conclusion, our two solutions are:
hope it helps. , good afternoon , have a great day .
Answer:
Step-by-step explanation:
y = 2x + 8
She know 8 songs. 8 will be the y-intercept and each month she learns 2 songs which will be the slope of the function.
Answer:
300 = x
Step-by-step explanation:
150= 100(.60) + x(.30)
150 = 60 + x(.30)
150 - 60 = 60 - 60 + x(.30)
90 = x(.30)
90/.30=x(.30)/.30
300 = x