a) A bowl contains 6 white marbles and 3 black marbles. Suppose one marble is randomly selected and is replaced by a marble of the other color. A second marble is then chosen. What is the conditional probability that the first ball selected is white marble, given that the second ball was white marble?

Q: Today is Teresa's birthday. She is 7 years old. How old is Teresa in months?

A: Teresa turns today 7. That means she is 7 years old now. In one year there is 12 months. So in 7…

Q: Twelve increased by a number

A: We know that Let a number x  1) If x is increase a number a then we get x+a 2) If x is decrease a…

Q: 312+59.8+375.8+28.8 Estimate the answer by rounding each number to nearest 10

A: 312 is near to 310 as compared to 320 (as we have to round off 312 to the nearest tens), 310 is the…

Q: he cost of a telephone call from Manila to Davao from 9 am to 5 pm is P24.00 for the first minute…

A: Given: The cost of a telephone call from Manila to Davao from 9 am to 5 pm is P24.00 for the first…

Q: Matthew runs 4 miles each day for 5 days. He ran an extra 2/3 mile the first day and an extra 3/4…

A: topic - algebraic operations

Q: Express 225:80

A:

Q: 700 divided by 5

A: 700÷5

Q: 326 times 84

A: The word "times" in math means Product or multiplication. Four times three means 4×3. The given…

Q: You stuffed 91 envelopes in 35 minutes. How many can you stuff in 1.5 hours?

A:

Q: 2 divide 70

A: Given,

Q: Hurricane Ian has broken many records one is the amount of rain fall. Ian dumped 2.4feet of rain in…

A: Hurricane Ian has broken many records one is the amount of rain fall. Ian dumped 2.4feet of rain in…

Q: 36 60

A:

Q: Cameron has 6 nickels. How can he show the same amount in a different way?

A: Cameron has 6 nickels.  A nickel is worth 5 cents.  So 6 nickels = 30 cents.

Q: how did you get 4000?

A:

Q: 69 times 53

A:

Q: 463 divided by 60

A: We can solve this by long division method. The process is shown below.

Q: Sally earned $17.45 per week delivering newspapers during the summer. How much does Sally earn in…

A: Given ,  Sally earned $17.45 per week delivering newspapers during the summer. We have to find…

Q: 2500 bacteria are in a box. They double every half hour. How many are there in 40 minutes? How many…

A: 2500 bacteria are in a box they double every half hour. (a) How many are there in 40 minutes (b) How…

Q: Dimitri averaged 12.375 rebounds per game. What is 12.375 written in expanded form? How is it…

A: Given below clear explanation..   10 +2 +3*1/10 +7*1/100 + 5 * 1/1000. the number is. twelve and…

Q: How many quarters are equivalent in value to 15(x+y) dimes?

A:

Q: 123 divided by 13

A: Given 123 divided by 13

Q: what is 100 dived by 100

A:

Q: Joe can ride his bike 26 miles in 3.24 hours. How many pages does he ride in 1 hour?

A: GivenJoe can ride his bike 26 miles in 3.24 hours

Q: Jason made 8jars of jam in 2days . How many days will jason have to spend mak8ng jam if he wants 12…

A:

Q: One of the highest paid professional baseball players in 2017 was Mike Trout of the Los Angeles…

A: We have given His salary = $20.883 million, Also Trout played 114 games with 507 appearances at bat.…