You roll a standard number die. What is the probability of rolling a number less than 5?

Answers

Answer 1
Answer: probablity is (desired outcomes)/(total possible outcomes)

less than 5
therea er 1,2,3,4
4 number

total possible is 6 since 6 faces
probablity is 4/6=2/3
Answer 2
Answer: look at it this way. it is originally 6. you take away 2 (cause you can only roll 1 through 4,) then you have 4/6, which simplifies to 2/3.

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If you double a number and then add 32, the result is 80. what is the number?

Answers

80-32 ÷ 2= 24
( you just do it sdrawkcab)









backwards
24 is your answer. 
80-32
   2

Four friends are sharing a pizza. The chart shows how much pizza each friend ate. Who ate the most pizza?Name Amount
Kanya 0.15
Than three-twentieths
Sinla two-ninths
Jessica 0.2


A. Kanya
B. Than
C. Sinla
D. Jessica

Answers

Answer:

Sinla

Step-by-step explanation:

Kanya 0.15

Than three-twentieths  = 3/20 = .15

Sinla two-ninths  = 2/9 = .22222

Jessica 0.2


Divide your fractions to get a decimal.  Compare your decimals.


Answer:

Sinla

Step-by-step explanation:

Kanya: .15 is less because that would be 15/100. Sinla: two ninths is the most because it is 2/9. Than: three twentieths is less because that would be 3/20. Jessica is less because she would have eaten 2/10

Divide 5 by 4. Is your answer a rational number? explain

Answers

Yes because a rational number is a number that can be written as a fraction. 5 divided by 4= 1.25, which is equal to 1 and one fourth. So yes, it is a rational number

At one store Julia save $10 with the coupon for 20% off her total purchase at another store the $24 she spent on books is 40% of her total bill how much did Julia spend it all at the two stores

Answers

At the first store, Julia spent 50 dollars. Since 20 percent is 100 divided by 5, you multiply the 10 dollars by 5 to get 50 dollars.

At the second store, Julia spent. Since 12 dollars is 20 percent, multiply 12 dollars by 5 to get 60 dollars.

50+60= 110. Julia spent 110 dollars altogether.

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. 

7.Sandy has a total of 35 coins in her money jar. If Sandy's jar contains only nickels and dimes and the value of all the coins is $2.50, how many nickels does Sandy have? A. 5 B. 15 C. 20 D. 30

Answers

Answer: 35

Step-by-step explanation:

Let the number of nickels be x

Then the number of dimes, using

ONE PART = TOTAL MINUS OTHER PART,

is 35-x. ( hope this helps have a good day/night :)  )