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fiasKO [112]
3 years ago
8

you have 3 $1 bills, four $% bills, and 2$10 bills in your wallet. you select a bill at random. find p($5 then $10)

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
6 0

Answer:


Step-by-step explanation:add all the bills up. It gives you 9 total bills. The probability of picking a 5 first is 4/9 chance but to get a 10 the probability would be 2/8 which is simplified to 1/4. So you’d need to find the probability of the total of the numbers you’re trying to get over the rest so it would be 6:3


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Rewrite the sum of 30 and 42 by factoring out of the greatest common factor
kvasek [131]

Answer:

12

Step-by-step explanation:

Factors of 30: 1,2,3,5,(6),10,15,30

Factors of 42: 1,2,3,(6),7,14,21,42

30 divided by 6, 42 divided by 6

(5) + (7)= 12

8 0
2 years ago
VERY IMPORTANT I NEED HELP!!!
Advocard [28]

Answer:

2√3

Step by step Explanation:

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3 0
3 years ago
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Mariulka [41]

Answer:

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3 0
3 years ago
You go to the store and pick out 3 apples for $0.60 each, 2 bananas for $0.50 each, and 1 quart of yogurt for $4.50. At checkout
Thepotemich [5.8K]

Answer:

I'm not 100% sure but I think it's $6.20

Step-by-step explanation:

First you add up the apples which equals $1.80 then you add up the bananas which equals $1.00 then you add the yogurt together which amounts to $4.50. After that you add all of that together which totals to $7.30.

For the sake of finding the percentage we're gonna move the decimal point to the very end. ( so its 730.0). Now in order to find 15% we have to find 10%. To find 10%, you move the decimal point over one (73.00). So 10% of 730 is 73. 10% + 5% = 15%. And half of 10% is 5%. So, we cut 73 in half so now we have 36.5. Now we add 36.5 to 73 (because 10% + 5%=15%) I'm just gonna round 36.5 to 37, and 73+37= 110. Now we move the decimal point back so its $1.10. Now we subtract $1.10 from $7.30 which is equal to $6.20. So your answer is $6.20.

(I'm rlly bad at explaining things so sorry if this wasnt clear enough. Also I'm not the best at math but I guess I know percentages.)

8 0
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iogann1982 [59]
$2.04 is the answer because 1 pen costs $1.02
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