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nalin [4]
3 years ago
8

suppose a bag contains 4 white chips and 6 black chips what is the probability of randomly choosing a white chip not replacing i

t and then randomly choosing another white chip
Mathematics
1 answer:
andrew-mc [135]3 years ago
5 0
4/10

Simplified to 2/5

2/5+2/5=4/5
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What is the ratio of 14 by 8 1/2 when the answer says _ to 1?
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3 years ago
What is the value of Fraction 1 over 2x3 + 3.4y when x = 3 and y = 4? 15.85 18.1 27.1 31.6
Tresset [83]

it is 4/8

Step-by-step explanation:

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7 0
3 years ago
Which number line represents the solution to 2.5 – 1.2x < 6.5 – 3.2x?
tensa zangetsu [6.8K]
<span>2.5 – 1.2x < 6.5 – 3.2x

-1.2x + 3.2x < 6.5 - 2.5

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3 0
3 years ago
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What is the completely factored form of d4 − 81?
lilavasa [31]

For this case we must factor the following expression:

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We factor using the formula of the square difference:

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Where:

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So:

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From the second term we have:

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Finally, the factored expression is:

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Answer:

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4 0
3 years ago
Read 2 more answers
Vertex form of <br> y=x^2-4x-9
Scrat [10]
Complete the square
first isolate x terms
y=(x^2-4x)-9
complete square inside (take 1/2 of square of b )
-4/2=-2, (-2)^2=4
add 4-4 inside
y=(x^2-4x+4-4)-9
complete the square
y=((x-2)^2-4)-9
y=(x-2)^2-4-9
y=(x-2)^2-13
3 0
3 years ago
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