What is the probability that the product of the two numbers Drake rolls is less than 13?

Answers

Answer 1

Answer: ok so 2 dice
the probability means (desired outcomes)/(total possible outcomes)

one way is to list all outcomes and find the desirable ones (I will list and find product and bold all numbers less than 13)
product of 2 numbers means multiply fyi

1,1=1
1,2=2
1,3=3
1,4=4
1,5=5
1,6=6
2,1=2
2,2=4
2,3=6
2,4=8
2,5=10
2,6=12
3,1=3
3,2=6
3,3=9
3,4=12
3,5=15
3,6=18
4,1=4
4,2=8
4,3=12
4,4=16
4,5=20
4,6=24
5,1=5
5,2=10
5,3=15
5,4=20
5,5=25
5,6=30
6,1=6
6,2=12
6,3=18
6,4=24
6,5=30
6,6=36

36 possible outcomes
23 less than 13, desired outcomes=23

probability=23/36

answer is it is 23/36 probability that the number is less than 13 aka about 64%

Answer 2

Answer:   1    2    3    4    5    6
_________________
1| 1    2    3    4 5    6
2| 2    4    6    8   10 12
3| 3 6    9   12 15 18
4| 4    8 12 16  20 24
5| 5 10 15 20 25 30
6| 6 12 18 24 30 36

there are 23 options that are less than 13 and 36 options in total so 23/36

hope this helps :)

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Which is greater 1/4 or 3/4

Answers

If we are to compare which among the given fractions is smaller, we first determine the decimal equivalent of each. If we are to solve for those, we determine that 3/4 is equal to 0.75 and 1/4 is equal to 0.25. This is done by dividing the numerator by the denominator. Comparing 0.75 and 0.25, we can conclude that 0.75 or 3/4 is greater compared to 0.25 or 1/4.

21 trucks, each with a 2.5-ton payload, are needed to unload a freight train. How many trucks, each with a 3.5-ton payload, would be needed to do the same job? What is the constant of variation?

Answers

tons needed to unload a freight train= 21×2.5 =52.5
number of 3.5-ton payload trucks needed to unload a freight train=52.5÷3.5 = 15

15 Trucks , Each With A 3.5-Ton Payloaf , Would be Needed To Do The Same Job.

What is 1/2 - 5/6

PLEASE HELP

Answers

You convert them both to the same denominator so get both of the fractions over 6

½ = 3/6

Then 3/6 - 5/6 = - 2/6

Because you just minus the two top numbers

So the answer is -2/6

U have to make the denominators (bottom #s) equal. So make 1/2 into 3/6. then it would be 3/6-5/6=____... Im a sophomore so i havent done this in forever i hope its right...

Jose is trying to decide how many friends he can invite to his roller skating party. Skate rentals cost $2.50 per person, including Jose, and he knows that 3 adult chaperones plan to skate.How many friends can Jose invite if he wants to spend only $50.00 total on skate rentals?

Jose can invite___friends.

Answers

Answer:

Jose can invite 16 friends.

Step-by-step explanation:

For roller skating, the skate rentals charge $2.50 per person.

Jose has to invite friends and wants to spend a total of $50.

$50 / $2.50 = 20

So, for $50.00, 20 people can enjoy roller skating.

Out of these 20 people, one will he Jose himself and 3 will be the adult chaperones.

20 - 4 = 16

Therefore, Jose can invite 16 friends for roller skating.

Jose can invite 46 of his friends, given that there isn't tax. Because with a ticket costing $2.50 a person, and he at least knows that 50 people can go, and that 4 people are planning to, and are going to skate already.

Lindsay's estimated cost for the first year at a two year college and her assets are shown in the tables below. Lindsay uses her savings to pay for the year after the grant and scholarship are applied. How much more money does Lindsay have left in her savings? Tuition and fees: $7,800.00
Room and board: $6,725.00
Books and supplies: $1,200.00
Personal expenses: $2,225.00

Savings: $5,685.00
First year grant: $1,500.00
First year scholarship: $3,750.00

Answers:
A: $895.76
B: $905.82
C: $1,185.00
D: $1,364.00

Answers

so we have to add the expenses and savings, and subtract them afterwards, lets call them negative and positive respectively to group them:
negative = tuition + room + book + personal
negative = 7800 + 6725 + 1200 + 2225
negative = 17950

positive = savings + grant + scolarship
positive = 5685 + 1500 + 3750
positive = 10935

we have to subtract the negative from the positive to have a grand total:
total = positive - negative = 10935 - 17950= -7015
that means that the savings, grant and scholarship are not enough to pay the total expenses, they lack $7015 indeed

A swimmer swam 48 kilometers in d days if the swimmer swam an average of 3.2 kilometers daily

Answers

Answer:

The used conversion factor is 3.2 km/day. It took 15 days for the swimmer to swim 48 km.

Step-by-step explanation:

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