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Kisachek [45]
2 years ago
10

Evaluate the expression when x=5 and y=9 X2 + 5y+ 16

Mathematics
2 answers:
7nadin3 [17]2 years ago
8 0
10+45+16
The answer would be 71

-BARSIC- [3]2 years ago
5 0
<span>Evaluate the expression when x=5 and y=9 
X2 + 5y+ 16 

the answer is 71</span>
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In a city school, 60% of students have blue eyes, 55% have dark hair, and 35% have blue eyes and dark hair. What is the probabil
gulaghasi [49]

Answer:

58%

Step-by-step explanation:

This is a problem of conditional probability.

Let A represent the event that student has dark hair.

So P(A) = 55% = 0.55

Let B represents the event that student has blue eyes.

So, P(B) = 60% = 0.60

Probability that student has blue eyes and dark hairs = P(A and B) = 35% = 0.35

We are to find the probability that a randomly selected student will have dark hair, given that the student has blue eyes. Using the given formula and values, we get:

P(A|B)=\frac{P(A \cap B)}{P(B)}\\\\ P(A|B)=\frac{0.35}{0.60}\\\\ P(A|B)=0.58

Therefore, there is 0.58 or 58% probability that the student will have dark hairs, given that the student has blue eyes.

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3 years ago
What do the following two equations represent? y-8 +5) y-8- +5) Choose 1 answer: The same line Distinct parallel lines Perpendic
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Answer:

I think it would be y-3-m

7 0
2 years ago
Splve for a. help me please
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2a+7=180-109

2a+7=71

    -7=71-7

2a=64

a/2=64/2

a=32

8 0
3 years ago
A jug of juice has 6 cups of pineapple juice and 5 cups of orange juice. Write the ratio of the number of cups of pineapple juic
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number of cups of pineapple to total number of cups...

6:11 or 6/11 or 6 to 11

Step-by-step explanation:

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