Answer:
In order for an equation to have an infinite number of answers,
the simplified equation should be x=x.
In evaluating the above equation, -3 inserted in the box results in this simplified equation.
The answer is therefore -3
1,300÷10=130
Anna has 130 dimes
The answer is f(x) = 75, g(x) = 5x, h(x) = 5x + 75
Let x be the number of lessons.
The <u>flat rate of $75</u> as function f(x) can be expressed as: f(x) = <u>75</u>
<u>$5.00 per lesson x</u> as function g(x) can be expressed as: g(x) = <u>5x
</u>
The combination of two functions (f(x) and g(x)) is the amount the parent should pay:
h(x) = g(x) + f(x)
h(x) = 5x + 75
The solution of x in -6 + 3x - 9x^2 = -16 is 
<h3>How to solve the equation?</h3>
The equation is given as:
-6 + 3x - 9x^2 = -16
Add 16 to both sides
10 + 3x - 9x^2 = 0
Rewrite as:
9x^2 - 3x - 10 = 0
Solve for x using the quadratic formula
So, we have:
Evaluate
Hence, the solution of x in -6 + 3x - 9x^2 = -16 is
Read more about quadratic functions at:
brainly.com/question/1497716
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Numbers BETWEEN 8 and 15 are: 9, 10, 11, 12, 13, 14
Out of these 6 numbers 3 are even.
P(even) = 3/6 = 1/2
