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3 years ago

HELP i will give brainliest all questions ;(

Mathematics

1 answer:

Rama09 [41]3 years ago

8 0

Answer:

1. The theoretical probability of rolling an even number and flipping heads is 25%.

2. The experimental probability of rolling a 1 and flipping tails is 15%.

3. The experimental probability of flipping heads is 40%.

4. I think around 7%.

5. I would expect to roll 3 and land on heads 8 times.

Step-by-step explanation:

I am not sure about number 4.

Have a nice day!

Ask me if you need my work. :-)

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Fourty mins after 4:40 is fourty mins before…

marissa [1.9K]

Answer:

B. 6:00

Step-by-step explanation:

There are 60 minutes in one hour.

To calculate 40 minutes after 4:40, separate 40 minutes into two lots of 20 minutes.

⇒ 4:40 + 20 minutes = 5:00

⇒ 5:00 + 20 minutes = 5:20

Therefore, 40 minutes after 4:40 is 5:20

To calculate the time that 5:20 is 40 minutes before, add 40 minutes to 5:20

⇒ 5:20 + 40 minutes = 6:00

Therefore, the solution is option B. 6:00

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Question 3 "Try Again." Mary needs 3 feet of boondoggle for a craft project.

kati45 [8]

Answer:

$9.00

Step-by-step explanation:

We can use conversion factors to solve this equation. The multiplication sequence that I got is shown below:

$\frac{3ft}{1}$ × $\frac{12 in}{1ft}$ × $\frac{0.25}{1in}$

Our feet and inches cancel out and we get the final expression $\frac{3*12*0.25}{1}$ , which is equal to 9, or $9.00.

Hopefully that was helpful! :)

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