STEP
1
:
1
Simplify —
x
Equation at the end of step
1
:
1 1
— - —
9 x
STEP
2
:
1
Simplify —
9
Equation at the end of step
2
:
1 1
— - —
9 x
STEP
1
:
1
Simplify ——
x2
Equation at the end of step
1
:
1 1 1 1
(—-—) ÷ (——-——)
9 x 81 x2
STEP
2
:
1
Simplify ——
81
Equation at the end of step
2
:
1 1 1 1
(— - —) ÷ (—— - ——)
9 x 81 x2
(9x)/(x+9)-:(x-9)/(9x)
The next two terms in the arithmetic progression will be 15 and 21.
Based on the information given, the following can be deduced.
First term = 3
Second term = 9
Common difference = 9 - 3 = 6
The nth term of an arithmetic progression is given as: = a + (n-1)d
Therefore, 3rd term = a + 2d = 3 + 2(6) = 3 + 12 = 15
4th term = a + 3d = 3 + 3(6) = 3 + 18 = 21
The next 2 terms are 15 and 21.
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Answer:
There is a picture.
Hope this helps :) :D ;) ;D
Charge of Ralph:
Charge = $24 + $33 per hour
Let the time worked be = x.
For x hours, the cost = 33*x = 33x
Charge = 24 + 33x
24 + 33x = 189
33x = 189 - 24
33x = 165
x = 165/33
x = 5
The job took 5 hours.
I hope this helped
