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loris [4]
3 years ago
13

Dan rolls 2 fair dice and adds the results from each. Work out the probability of getting a total less than 3.

Mathematics
1 answer:
agasfer [191]3 years ago
8 0

Answer:

1 / 36

Step-by-step explanation:

A roll of 2 fair dice :

Total number of possible outcomes = n² ; n = number of faces in a dice = 6² = 36

Probability = required outcome / Total possible outcomes

Required outcome = total less than 3 = 1 (from sample space provided)

Hence,

P(total less than 3) = 1/36

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Why is the answer B? Plz explain.
Ivanshal [37]

Step One

Develop a formula for the perimeter.


Argument

What you see is a semicircle going upwards and another one going downwards. Two semicircles =1 circle.


The "perimeter" [Circumfrence] of a whole circle = 2*pi*r


We are told that whatever you call this the perimeter is 8pi + 16


Step Two

Set up the equation

8pi + 16 = 2*pi*r + 4r Including the line connecting these two.


Step Three

Take out the common factors on the left and right.


8(pi + 2) = 2r(pi + 2) Divide both sides by pi + 2

8 = 2r Divide by 2

4 = r


Sorry. I didn't know the meaning of perimeter. Mathmate is perfectly correct.

6 0
3 years ago
When creating a similar figure, the original angle measures will be enlarged by a scale factor to create the new shape
mamaluj [8]

Answer:

always

Step-by-step explanation:

i got it right

3 0
3 years ago
If one batch needs 3/4 cups of oil. and she want to make 5 batches. how much would she need?
murzikaleks [220]

Answer:

3.75 cups of oil or 3 and 3/4 cups of oil

Step-by-step explanation:

Simple

1 batch=0.75 cups of oil(3/4)

5 Batch=? (Multiply by 5)

5 Batches=3.75 cups (or 3 3/4) of oil

5 0
3 years ago
Read 2 more answers
Find the value of x when : 2^30/8^9=2^x
artcher [175]

Answer:

x = -3

Step-by-step explanation:

Okay, the first thing to do is get that 8 away from the fraction. How can we do it? When you have 2³ you have 8, is the same thing, so let's do it:

2³⁰/(2³)⁹ = 2^x

When you have a number with the shape (a^x)^y, you can write it as a^(x•y), so:

(2³)⁹ = 2^3•9 = 2²⁷

Now we have:

2³⁰/2²⁷ = 2^x

When you have a division like this: (a^x)/(a^y), you can write it as a^(x-y), so:

2^(30-27) = 2^x

2^-3 = 2^x

Now you know that x = -3

3 0
3 years ago
The number 88 is 44% of what number
castortr0y [4]

Answer:

Your answer is 38.72

Step-by-step explanation: I did not know what it was so i googled it lol. this one was tough! hope it is correct! it is google so i bet it is :)

3 0
3 years ago
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