Answer:
Step-by-step explanation:
Given tgat:
Regular price = $32
Discount = 20%
Sale tax = 8.1%
Answer:
x=22
Step-by-step explanation:
angle RTS = 5x-40 (isosceles triangle)
angle RTS + angle STU = 180 (straight line)
so 5x-40+5x = 180
10x = 220
x=22
Y = -2x^2
h = Xv = -B/2A = 0/-4 = 0.
k = -2*0^2 = 0.
V(0,0).
Use the following points for graphing:
Y = -2x^2.
(x,y)
(-2,-8)
(-1,-2)
V(0,0)
(1,-2)
(2,-8)
Y = -2x^2 + 4.
h = Xv = -B/2A = 0/-4 = 0.
k = Yv = -2*0^2 + 4 = 4.
V(0,4).
(-2,-4)
(-1,2)
V(0,4)
(1,2)
(2,-4)
Answer:
5.75
Step-by-step explanation:
The total amount of numbers are : 8
To find the mean, we calculate the sum of all values and divide that sum by the amount of numbers there are.
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It will converge if the common factor r is between 0 and 1.
For example:-
A GS with first term a1 = 2 and d = 1/2, the terms are:-
2 , 1 , 1/2, 1/4, 1/8,1/16 and so on
Each term gets smaller and smaller and they will become very small - close to 0. The sum will converge to a certain value also.
In this case it will converge to 2 /( 1 - 1/2) = 4
If d > 1 the terms will increase without bounds and the sum gets bigger and bigger . The series diverges.
for example 2, 8, 32, 128, 512 .... where a1 = 2 and d = 4.
