Given two points 
, the slope of the line connecting them is defined as
In your case, the points are
Plugging these values in the slope formula gives
Answer:The total cost for the car including tax is $27423.75
Step-by-step explanation:
The initial price of the car that you want is 25,750. If the sales tax rate is 6.5%, it means that the amount of sales tax would be
6.5/100 × 25750 = 0.065 × 25750 = 1673.75
The total cost for the car including tax would be the sum of the initial cost of the car and the amount of tax. It becomes
25750 + 1673.75 = $27423.75
Answer:
D
Step-by-step explanation:
40% = 40/100 = 0.4 =2/5
Answer:
so x = 20 , y = -21 , which is in quad IV
r^2= 400+441 = 841
r = √841 = 29
then cos Ø = 20/29
sec Ø = 29/20 = 1.45
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To find out if the points lie on the line y = 1/3x + 9, plug in the x value of the coordinate into the equation and see if the y value results in the same number
A. (0,9)
y = 1/3x + 9 Plug in 0 for "x"
y = 1/3(0) + 9
y = 9 This point is on the line
B. (-9,6)
y = 1/3x + 9 Plug in -9 for "x"
y = 1/3(-9) + 9
y = -9/3 + 9
y = -3 + 9
y = 6 This point is on the line
C. (3,10)
y = 1/3x + 9 Plug in 3 for "x"
y = 1/3(3) + 9
y = 3/3 + 9
y = 1 + 9
y = 10 This point is on the line
D. (12, -5)
y = 1/3x + 9 Plug in 12 for "x"
y = 1/3(12) + 9
y = 12/3 + 9
y = 4 + 9
y = 13 This point is not on the line
Your answer is A, B, and C
