X^2-9=0 add 9 to both sides
x^2=9 take the square root of both sides
x=±3
Probability is 1/3! this is because the out off the odd numbers, only one is grey.
Answer:
She will have saved $195
Step-by-step explanation:
If we had her two paychecks together she will have saved $650.
30% of 650 = 195
We get this by taking 650 times .3
Answer:
There are 10 cards in total.
The probability of choosing card with the number 4 is 1/10.
The probability of choosing card with the number 1 is 2/10 = 1/5 (since there are 2 cards with the digit 1 - 1, 10)