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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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What is the least common denominator of the four fractions listed below 20 7/10, 20 3/4, 18 9/10, 20 18/25
Feliz [49]
So what you do is see all the denomenators and factor them (denomenaotrs are the bottom numbres)

10,4,10,25
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3 years ago
PLEASE I NEED TO TURN THIS IN TOMORROW I NEED HELP PLEASE HELP ME
mart [117]

Answer: \sum_{n=1}^{5}4^n=1364

Step-by-step explanation:

Since we have given that

\sum_{n=1}^{5}4^n

Now, we know the rule for summation , we'll apply this ,

\sum_{n=1}^{5}4^n\\=4^1+4^2+4^3+4^4+4^5\\

Now, it becomes geometric progression, so we us the formula for sum of terms in g.p. which is given by

S_n=\frac{a(r^n-1)}{r-1}\\\\\text{where 'a' is the first term and 'r' is the common ratio}

So, our equation becomes ,

a=4 \\\\r=\frac{a_2}{a_1}=\frac{4^2}{4}=4\\\\S_5=\frac{4(4^5-1)}{4-1}\\\\S_5=1364

Hence ,

\sum_{n=1}^{5}4^n=1364

7 0
3 years ago
Read 2 more answers
Solve: -(1/4)m + 5 = 16
liq [111]

Answer:

m=-44

Explanation: distribute the negative and add -1/4 to m and then take the 5 away from 16 and then multiply both sides

3 0
3 years ago
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Can sommeone help solve equation
Alekssandra [29.7K]

Step-by-step explanation:

3x + 10 < 3

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or

2x - 5 >= 5

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4 0
2 years ago
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