The slope of the line is 2 whose equation is given by y = 2x.
The given equation is y = 2x
The general equation of the line is given by
y = mx +c where m is the slope and c is the intercept of the line.
The slope of line a line's steepness can be determined by looking at its slope. The slope is calculated mathematically as "rise over run."
The intercept of the line is a point on the y-axis known as an intercept is where the line's slope passes.
On Comparing the given equation with the general equation, we have:
m = slope = 2
Thus the slope of the line is 2.
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To buy four tickets it would cost $217.5 because
C(x) = 49.5(4) +19.5
C(x) = 198 +19.5
C(x) = 217.5
With $465 you could buy 9 tickets.
C(x) = 49.5(9) +19.5
C(x) = 445.5 + 19.5
C(x) = 465
For sake of convenience, reverse the series, then it would be:
21,19,17.....7
a=21, d = -2,
s(4) = 4/2 (21+15)
s(4)=2(36)
s(4) = 72
Answer: 2x² - 8x + 9
Step-by-step explanation: this is our initial equation:
(4x² – 3x + 2) - (2x² + 5x - 7)
the subtraction sign which is to the left values is multiplying to the values into the parenthesis
(-) * (2x² + 5x - 7)
so this factor change the sign to every value into the parenthesis, then we get the following equation.
-2x² - 5x + 7
after this we get this final equation
4x² – 3x + 2 - 2x² - 5x + 7
then we resolve the equation with the similar values
4x² - 2x² = 2x²
– 3x - 5x = - 8x
+ 2 + 7 = 9
after this we place values in one equation, and we get the form simplified
2x² - 8x + 9
and this the last equation after resolve all the problems into the parenthesis.
" a difference " means subtract
5y - 7......u have 2 terms (5y and 7)...and it is the difference of 2 terms.
so ur answer is : 5y - 7
