A bag contains 3 red cards, 4 green cards and 5 black. What is the probility of selecting a black card?
5/12
100
Write 316000 using scientific notation
3.16x10^5
100
x/2+3x/5=
11x/10
100
If someone gets an annual income of $52000 per year, how much does that equal to per week?
$1000
100
b^6xb^3=
b^9
200
What is the probability of selecting an ace or a king from a standard deck of cards?
8/52 or 2/13
200
Write 5.176x10^7 in normal notation
51760000
200
(x+2)/3-(2x+1)/2=
1-4x/6
200
If someone earns $8.50 per hour, how much does the person earn if they work a 40 hour week?
$340
200
315^0=
1
300
If i roll a die and toss a coin, what is the probility of getting a 6 and a head?
1/12
300
Write 0.000008163 in scientific notation
8.163x10^-6
300
If 5-2x=x+8 then what does x equal?
-1
300
A salary of $48000 equates to a weekly income of what?
$923.08
300
√2^2=
2
400
A bag contains cards with the number 1 to 20 on them. What is the probability of selecting a card which is divisible by three or is even?
13/20
400
Write 5.613x10^-4 in normal notation
0.0005613
400
If 3(x-1)+2(x+4)=3 then what does x equal?
-2/5
400
What is the percentage increase of a salary of $20000 changed to $25000?
25%
400
(0.2)^-1=
5
500
Out of a group of 26 people, 4 people choose cricket, 1 person chose baseball, 15 people choose basket ball, and 6 people chose surfing. If the group was out of 260 people, how many would select surfing?
60
500
153.6x10^3=
1.536x10^5
500
If 3x/8-2x+2/4=3x-1/2 then what does x equal?
0
500
A person earning a wage of $12 per hour works on Saturday at time and a half. Find his hourly rate on Saturday