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Mkey [24]
3 years ago
6

30 points. Pls help if you can. Will mark brainliest!! I need how you got the answer pls <3 11) A box has Snickers, Milky Way

, and Twix. There is a 1/5 probability of randomly picking a Snickers, and a 1/4 chance of randomly picking a Milky Way. What is the probability of picking a Twix?
A. 11/20
B. 2/9
C. 1/20
D. 19/20
Mathematics
1 answer:
olga_2 [115]3 years ago
7 0

Answer:

B is the answer

Step-by-step explanation:

Im the best

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(a) How many integers in the range 1 through 120 are integer multiples of 2, 3, or 5? keyboard_arrow_down Solution (b) How many
Umnica [9.8K]

Answer:

(a) 88 integers

(b) 92 integers

Step-by-step explanation:

(a) integers whose last digits are divisible by 2 are multiples of two or numbers whose digits ends with zero. So for number 1-120 , all the even numbers which are sixty in number are are multiples of two.

For  3, numbers whose digits sum is divisible by three are multiples of three. 3,6,9,12,15,18,21,24,27,30 are multiples of three from numbers 1-30. we have four 30s in 120. which means numbers of integers will be 10*4 = 40integers. However out of these numbers , half are also integers of 2 which reduces the number added to 20integers.

For 5, numbers whose digits ends with 5 or 0 are multiples of 5. this gives us 24 integers for 1-120. but out of these 24integers, 16 are common integers of 2 and 3 which reduces the number added to 8integers.

Thus from 1-120 the intergers of 2,3 or 5 = 60+20+8 = 88integers.

(b) if we are considering from numbers 1-140;

for 2 we wil have 70 integers,

for 5 we will have 28 integers, but those integers that end with 0 are also integers of 2 which reduces the number added to 14.

For 7, numbers 7,14,21,28,35,42,49,56,63,70 are multiples of three from 1-70. This pattern is repeated from number 71-140. hence we have 20 integers in all. However 12 of the multiples are also multiples of either 2 or 5 which reduces the number to 8 integers.

Thus from 1-140, the integers of 2, 5, or 7 = 70+14+8 = 92integers

3 0
3 years ago
What percent is 680 of 2300
Usimov [2.4K]
29.5652% please give brainlest
8 0
3 years ago
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Write this ratio as a fraction in simplest form without any units. 3 gallons to 40 quarts.​
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The answer of<br>82.4 - 25​
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Step-by-step explanation:

82.4 - 25 is too easy, a calculator can solve this.

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7) A photo booth charges a $500 fee for two hours at a party, plus $50 per additional hour. Cindy doesn't want to spend more tha
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Since the photo booth charges a $500 fee for two hours at the party and an additional 50 dollars per hour, we have:

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50x+500=700 \implies\\ 50x=200\implies\\ x=4

So she spent an additional 4 hours on the rental.

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3 years ago
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