Probability of getting same number when rolling two dice

Mathematics

1 answer:

Soloha48 [4]3 years ago

5 0

6 of them are double 1,1 2,2 3,3 4,4 5,5 6,6
P(doubles)=6/36=1/6

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Mumz [18]

Break down every term into prime factors. ...Look for factors that appear in every single term to determine the GCF. ...Factor the GCF out from every term in front of parentheses, and leave the remnants inside the parentheses. ...Multiply out to simplify each term.

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3 years ago

What is the answer to 19+x/2=4?

salantis [7]

19+x/2=4
multiply 2 on both sides
19+x=4 times 2
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3 years ago

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Sidana [21]

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3 years ago

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drek231 [11]

Answer:

B. x

Step-by-step explanation:

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if we add these

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8 0

3 years ago

Please help.

ddd [48]

Answer:

$The\ brother's\ present\ age= 4\ years\\The\ sister's\ present\ age=8\ years$

Step-by-step explanation:

$Let\ the\ brother's\ present\ age\ be\ x\\Hence\ we\ are\ given,\\His\ sister's\ present\ age=(2x)\\Now,\\The\ brother's\ age\ before\ two\ years=(x-2)\\The\ sister's\ age\ before\ two\ years=3(x-2)\\Also,\\His\ sisters\ age\ before\ two\ years=2x-2\\Hence,\\3(x-2)=2x-2\\3x-6=2x-2\\3x-2x=6-2\\x=4\\Hence,\\The\ brother's\ present\ age= 4\ years\\The\ sister's\ present\ age=2x=2*4=8\ years$

6 0

2 years ago

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