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Arlecino [84]
3 years ago
7

If the odd against the occurence of an event be 4:7 find the proabilty of the occurence of the event.

Mathematics
1 answer:
Alla [95]3 years ago
6 0

Answer:

Probability = \frac{7}{11}

Step-by-step explanation:

Given

Odds:Occurence = 4:7

Required

Determine the probability of the occurrence

First, we need to get the total of the ratio

Total = 4 + 7

Total = 11

Next, is to calculate the required probability as follows;

Probability = \frac{Occurrence}{Total}

Probability = \frac{7}{11}

<em>Hence, the required probability is </em>

Probability = \frac{7}{11}

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Julius is buying beverages for brunch. He needs to buy a total of 5
xeze [42]
Well, he only needs 5 gallons of beverages. Because he buys two containers of each, however, that means he bought 320 gallons total (I would say). How I got my answer:

There are 8 pints in a gallon (8 x 2)
There are 4 quarts in a gallon (4 x 2)
There are 16 cups in a gallon (16 x 2)
There are 128 ounces in a gallon (128 x 2)

With that being said, we can add these to find the total amount of gallons of beverages Julius bought. 16 + 8 + 8 + 32 + 256 = 320.

Hopefully this helps!
7 0
2 years ago
If 3 students make up 10% of the class, how many students are there total in the class?
stealth61 [152]

Answer:

30 students

Step-by-step explanation:

3 students = 10% of the class.

x students = 90% of the class.

(If more, less divides. Let x be the subject. Since we know 10% of the class already, we have to find the remaining 90% that is 100% - 10% = 90%.)

x = 90%/ 10% × 3 students. ( the percentage signs cancel out and so do the zero's.)

x= 9/1 × 3 students ( 9/1 is the same as 9)

x= 27 students

(To find the total, you must add the 10% of the students to the remaining 90% of the students in the class.)

Total number of students in the class = 27 students + 3 students

= 30 students

7 0
3 years ago
If 3a+4a=14, and b+6b=21, then 7(a+b) =<br><br> Help and show work!
den301095 [7]
Hello!

You have to find what a and b are

3a + 4a = 14
b + 6b = 21

Lets do a first

3a + 4a = 14

Combine like terms

7a = 14

Divide both sides by 7

a = 2

Now lets do b

b + 6b = 21

Combine like terms

7b = 21

Divide both sides by 7

b = 3

Put a and b into the third equation

7( 2 + 3) = 

Do what is in parenthesis first

7(5) = 

Multiply

35

The answer is 35

Hope this helps!
8 0
3 years ago
Read 2 more answers
Change 2/7% to a ratio
andre [41]
(2/7)% = 

<span>(2 / 7) / 100 = </span>

<span>2 / 700 </span>

<span>2 : 698 </span>

<span>1 : 349</span>
7 0
3 years ago
Please help ASAP !!!
Fed [463]

Answer:

B

Step-by-step explanation:

give me brainliest 5 star and thank!

3 0
3 years ago
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