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3 years ago

Simplify the following expression by combining like terms 6y-23-y+72

Mathematics

1 answer:

raketka [301]3 years ago

8 0

The answer would be 5y+49

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Answer:

Step-by-step explanation:

Seperate the shape into two. 16x2=32cm². 12x11=132cm²

So altogether it would = 164cm²

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3 years ago

Which situation can be represented by 16 x 4?

Alex787 [66]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

A group of 10 students participate in chess club, karate club, or neither.

Ira Lisetskai [31]

Answer: Option B

$P(A|B)=0.50$

Step-by-step explanation:

We look for the conditional probability of A given B.

This is written as:

$P(A|B) = \frac{P(A\ and\ B)}{P(B)}$

First we must find the probability of A and B

There are 10 students in total. Note that of those 10 students only 2 of them are at the same time in the karate club and in the chess club

Therefore:

$P(A\ and\ B)=\frac{2}{10}$

There are 10 students in total. Note that of those 10 students only 4 of them are in the chess club

Then:

$P(B)=\frac{4}{10}$

Finally:

$P(A|B) = \frac{P(0.2)}{0.4}=0.50$

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3 years ago