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3 years ago

Help plsssssssssssssssss

Mathematics

1 answer:

Delicious77 [7]3 years ago

6 0

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Math homework due tomorrow

Margarita [4]

5.5-3b = 2b-6.25 5.5+6.25 = 2b+3b 11.75 = 5b 11.75/5 = 5b/5 2.35 = b

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3 years ago

Triangle PQR has vertices at the following coordinates : P(0,1) Q(3,2) R(5,-4) . Determine wether or not triangle PQR is a right

lord [1]

Here is my answer. Hope this help.

8 0

3 years ago

How many ones are in 500

alisha [4.7K]

There are 500 ones in 500

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3 years ago

Solve for x <br> 1 = − 4 + x

Firlakuza [10]

Answer: x = 5

Step-by-step explanation:

1 = -4 + x

We have to isolate x, and remember, what we do to one side we do to the other.

1 + 4 = -4 + 4 + x

5 = x

Check:

-4 + 5 = 1

1=1

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4 years ago

14. If P(A) = 0.4 and P(B) = 0.5 and P(A and B) = 0.2, then P(B|A) =

Vadim26 [7]

Answer:

14) b) P(B/A) = 0.50

15) P(A or B) = 0.7

Step-by-step explanation:

14)

Given P(A) = 0.4 and P(B) = 0.5 and P(A and B) = 0.2

Conditional probability of B given that A

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

15)

By using Addition theorem on probability

P( A ∪ B) = P(A) + P(B) - P(A∩B)

= 0.4 +0.5 - 0.2

P( A ∪ B) =0.7

3 0

3 years ago