Show:
Equations
Algebra
Index laws
Probability
Consumer Arithme
100
(X-22)x5=100 What is the value of X?
42 Isaac, i took the day off. i am working on this at home. can you finish off probability and index laws. use maths online. and check my answers for me.
100
expand ABCD
AxBxCxD
100
Solve: x^5+x^9
x^14
100
1/2
A die is rolled, find the probability that an even number is obtained.
100
Bill has an hourly wage of $5. How much would he make if he worked 20 hours in a week, every week for a year?
$5200
200
What is x if xy=18 and y=3
x=6
200
Solve: (a^2+b^7-ab^4)
ab^3
200
Solve: x^7 x 15 + x^3
x^108
200
1/4
Two coins are tossed, find the probability that two heads are obtained.
200
John works at the local Mcdonalds. He is paid $9 per hour, and works 5 hours 4 days a week. On weekends, he is paid at a time and a half. If he worked 2 of his days on the weekend, how much was he paid?
$225
300
If 6/15=x/25, then what is x
x = 10
300
Expand: (a+15)(a*6+7)
a*7+7a+15a+105
300
Solve: p x p^7 + b^5 + p^9b^4
p^17b^9
300
A and C
Which of these numbers cannot be a probability? a) -0.00001 b) 0.5 c) 1.001 d) 0 e) 1 f) 20%
300
Jane recently sold a car for $52990. She has a 15% commision. How much did she earn?
$7498.50
400
(a-b=15) (a+b=5) What is b if a equals 10?
-5
400
Expand and simplify: (2x+52)(x-11)
2x^2 - 74x + -572
400
a^9
a^6/a^3xa^7
400
1/52
A card is drawn at random from a full deck of cards. Find the probability of getting the 3 of diamond.
400
Moby earns $2055 monthly, what is his annual salary?
$24660
500
5 4 ___=___ x+7 x+3 Solve
x=4
500
Simplify: 4x+6y -------- 2x+6y
2 -- 2
500
2a^7
a^2x2a^5
500
= 70 / 200 = 0.35
The blood groups of 200 people is distributed as follows: 50 have type A blood, 65 have B blood type, 70 have O blood type and 15 have type AB blood. If a person from this group is selected at random, what is the probability that this person has O blood type?
500
Bob gets paid 7$ an hour. He worked 20 hours at a time and a half, and was paid $490. how many normal hours did he work?
Bob worked 40 hours.