Financials
Financials 2
SOHCAHTOA
Systems of Equations
Unit 2
100
If you get paid $20/hour and you work overtime at "time and a half" what is your overtime wage?
$20 x .5 = $10
$20 + $10 = $30/hour
100
If I get paid $0.07 for every avadaco I pick, is this piecework or commission?
Piecework: you get paid not hourly but by how many avacados you pick in a day
100
what is Sin A
SOH
Sin A = a/c
100
Solve by elimination:
−4x − 2y = −12
4x + 8y = −24
(6, -6)
100
Multiply and combine like terms
(x = 5y)(2x - y)
2x2 + 9xy - 5y2
200
I work from 8am to 4 pm, how many hours did I work?
8 hours
200
You work at a car dealership. You get 10% of the value of every car you sell as your wage...what type of wage payment is this?
Commission - you only get paid a percentage of the vaule/# of what you sell
200
What is Tan A
TOA
Tan A = a/c
200
Solve by elimination
7x + 2y = 24
8x + 2y = 30
(6, -9)
200
Product of Powers
(am)(an) =
am + n
300
Jerry Gets paid double time when he works over 8 hours. If his wage is 14.50 and he works 10 hours how much is his gross pay that day?
14.5 x 2 = $29
14.5 x 8 = 116
29 x 2 = 58
116 + 58 = $174/day
300
If you sell $10,000 worth of clothes in one month and you earn 8% commission, what is your gross pay that month?
$10,000 x .08 = $800
300
What is Cos A
CAH
Cos A = b/c
300
Solve by substitution:
−4x + y = 6
−5x − y = 21
(-3, -6)
300
quotient of powers
am
---- =
an
am-n
a cannot be 0
400
What is the total amount of money I bring home: NET or GROSS
GROSS
NET = total before deductions
400
Your contract gives you a bonus of $500 is you pick more than 1000 carrots a day. If you earn $1.25 per carrot picked and you pick 1010 carrots today, what is your gross pay?
1010 x $1.25 = $1262.50
add $500
= $1762.50
400
What is the value of Cos 100 to the nearest 100th?
0.98
cos then number then =
400
Solve by substitution
−3x + 3y = 3
−5x + y = 13
(-3, -2)
400
power of a power
(am)n =
amn
500
George gets paid $2100/month for working 35 hours each week. He gets a job offer for 35 hours a week at $22/hour. Should he take it?
$2100 / 4 weeks = $700/week
$22 x 35 hours = $770/week
500
Would you want to pick carrots for a living?
Yes please!
500
What is the angle when tan = .4665?
25
.4665 then shift tan (tan -1)
500
Solve Graphically:
y= -1/2x - 1
y = 1/4x - 4
(4, -3)
Plot your Y then use the slop to draw the line
500
power of a quotient
(a/b)n =
an/bn
b cannot equal 0
a0 = 1