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Korolek [52]
3 years ago
12

How do I do probability?

Mathematics
2 answers:
Katen [24]3 years ago
3 0
Probability is the measurement of the likelihood of something happening

So, looking through the different questions, whether they have a graph or picture, you look at the numbers and divide by the total to determine the probablility.

Hope this helps
rjkz [21]3 years ago
3 0
This is a very broad question, probability is the possibility of something happening.  For example, if you were to roll a dice, each side would have a 1/6 probability of being landed on, since statistically, each one has an equal chance. Probability is written as a fraction.
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A farmhouse shelters 10 animals. Some are pigs and sone are ducks. Altogether there are 36 legs. How many of each animal are the
german
8 pigs x 4 legs each = 32. so you need 2 ducks to give you 10 animals total. So 32 + 2 ducks with 2 legs = 36.

There are 8 pigs and 2 ducks.
7 0
3 years ago
Please help
iren2701 [21]
For question 1:
1% = 120 ÷ 100 = 1.2
15% = 1.2 × 15 = 18
So, 15% of 120 is 18

For question 2:
68.4 ÷ 72 = 0.95
0.95 × 100 = 95%
So, the percentage is 95%

For question 3,
1% = 12.5 ÷ 8 = 1.5625
100% = 1.5625 × 100 = 156.25
So, 8% of 12.5 is 156.25.

For question 4,
1% = 48 ÷ 40 = 1.2
100% = 1.2 × 100 = 120
So, 40% of 48 is 120.

For question 5,
1% = 195 ÷ 100 = 1.95
62.5% = 1.95 × 62.5 = 121.875
So, 62.5% of 195 is 121.875
8 0
2 years ago
The sale price of every item in a store is 85% of its usual price.
Vladimir [108]

Answer

a. The backpack is $4.50

b. The sweatshirt is $2.70

Step-by-step explanation:

a. 30 x 0.15 = 4.50 (The 0.15 is from the price you are actually paying for the item. Because the item is 85% off, you are paying for 15% of the usual price. 15% as a decimal is 0.15 so you multiply that to the original price to find the amount u will pay.)

b. 18 x 0.15 = 2.70  

5 0
3 years ago
(5-5)^2 - (6-5)^3 simplify the expression PLEASE HELP
leonid [27]

Answer: 15

Step-by-step explanation:

(5-1)^2 - (6-5)^3

(4)^2 - (1)^3

16-1

=15

7 0
2 years ago
Read 2 more answers
A salesman earns 20% commission on all merchandise that he sells. Last month he sold $700 worth of merchandise. How much commiss
Neko [114]

Answer:

140$

Step-by-step explanation:

You can use the three rule step.

20%         ?

-------=------------

100%.    700$

Then u go 20 x 700 divided by 100 which gives you the 20% in $

6 0
2 years ago
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