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inn [45]
3 years ago
6

A spinner has 5 sector's of equal size. The sectors are labeled 1,2,3,4, and 5. the spinner is spun twice.x is the number of tim

es 3 is spun

Mathematics
1 answer:
LuckyWell [14K]3 years ago
8 0

Answer:

Because the sectors are of equal size, each sector has the same probability of happening.

So for every number, you have a probability of 0.2 of it appearing.

Because you have three odd numbers, the probability to land on an odd number on each spin is 0.6. You can also say that the probability to not have an odd number is 0.4.

So what is the probability to have 0 odd number in two spins?

What is the probability to have 1 odd number in two spins? You can have one odd number on the first or one odd on the second spin, that is why we add the probabilities.

What is the probability to have 2 odd numbers in two spins?

To verify if we did a good job, we add all the probabilities. We should get 1.

.

So to slide your bars, you slide them up to the number I gave you for each case.

Hope this helps!

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15 years from now Ravi's age will be 4 times his present age what is Ravi's present age​
irga5000 [103]

Answer:

Ravi’s present age will be 5.

Step-by-step explanation:

From the given, Let Ravi’s present age is taken as "a" years.  

After 15 years, his age = (a+15) years.  

By the given, it is identified that the age of Ravi after 15 years is equal to the 4 times of his present age.

Given,  

a+15+4a\\4a-a+15\\3a=15\\a=15/3\\a=5

Then, it has been found that the present age of Ravi is 5 when his age after 15 years will be 4 times of his present age.  

6 0
3 years ago
Read 2 more answers
N is an integer with -5 &lt; 2n &lt;6<br> write down all the values of n?
Alika [10]

Answer:

The values of n are less than 3 and more than (-5/2)

Step-by-step explanation:

The given inequality is :

-5 < 2n <6

We need to write the values of n.

Dividing both sides of the inequality by 2. So,

\dfrac{ -5}{2} < \dfrac{2n}{2}

So, the values of n are less than 3 and more than (-5/2).

7 0
3 years ago
A clothing store is offering 40% off of any sale merchandise. Chester's subtotal is $128.00. What is his total after the discoun
S_A_V [24]

Answer:

should be 76.8

Step-by-step explanation:

5 0
3 years ago
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4 Pre-Algebra questions PLEASE HELP ME?
Juliette [100K]
What is the math problem?
7 0
3 years ago
Read 2 more answers
The lengths of the sides of a triangle are represented by 3 consecutive even integers. if the perimeter of the triangle is 72 fe
iris [78.8K]
P = a + b + c
P = 72
a = x
b = x + 2
c = x + 4

72 = x + x + 2 + x + 4
72 = 3x + 6
72 - 6 = 3x
66 = 3x
66/3 = x
22 = x

x + 2 = 22 + 2 = 24
x + 4 = 22 + 4 = 26

the sides of ur triangle are : 22,24,26 <==
6 0
3 years ago
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