If you triple a number you will have one-half of hours in two days what is the numbers?

1 answer:

4 0

6?

one half the hours of two days is equal to one day or 24 hours
6 times 3 equals 24.

I'm not positive about this answer, but it's the only answer I can currently think of. I hope it helps.

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You roll a die, winning nothing if the number of spots is odd, $3 for a 2 or a 4, and $10 for a 6.

Svetach [21]

Answer:

Dice and dollars You roll a die, winning nothing if the number of spots is odd, $1 for a 2 or a 4, and $10 for a 6. a) Find the expected value and standard deviation of your prospective winnings. b) You play twice. Find the mean and standard deviation of your total winnings. c) You play 40 times. What’s the probability that you win at least $100?

Step-by-step explanation:

7 0

3 years ago

Solve by substitution<br> 0.3x + 0.4y = 0.8<br> 0.7x - 0.8y = -6.8

skad [1K]

Answer:

x = -2

y = 10

Step-by-step explanation:

(0.3 + 0.7) x + (0.4 - 0.8) y = 0.8 - 6.8

x - 0.4 y = -6 → x = 0.4 y - 6

0.3 ( 0.4 y - 6) + 0.4 y = 0.8 → 0.12y +0.4y - 1.8 = 0.8