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qwelly [4]
3 years ago
5

I have to find the area of a trapezoid using the formula A= 1/2 (b1 + b2) (h)

Mathematics
1 answer:
DedPeter [7]3 years ago
7 0

Answer:

190

Step-by-step explanation:

1/2(6+13)(5)

6+ 13 = 19*5 = 95

95/ 1/2= 190

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What's the sum of 700 and 800
dmitriy555 [2]

Answer:

1500

Step-by-step explanation:

Add 800 to 700

5 0
2 years ago
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.

5 0
3 years ago
PLEASE HELP ME <br><br>11) Which letter best shows ? 12) Which letter best shows ?​
Dafna1 [17]

Answer:

32

Step-by-step explanation:

7 0
2 years ago
Heath took $40 to the mall. So far, he has purchased a baseball cap for $16.75. Write and solve an inequality to determine how m
yan [13]
40 - 16.75 = how much he has
7 0
3 years ago
Read 2 more answers
Consider the NASCAR race, the Indianapolis 500. Its name refers to the total race distance of 500 miles. There are 44 cars are r
lukranit [14]

Answer: $5289.35

Step-by-step explanation:

Since the cars have an average mileage of 6.78 miles per gallon and the race is 500 miles, the number of gallons each car will take will be:

= 500/6.78

= 73.75 gallons

Since they're 44 cars, the total gallons of fuel will be:

= 44 × 73.75

= 3245 gallons

Since the fuel cost is $1.63 per gallon, the total fuel cost, will be:

= $1.63 × 3245

= $5289.35

8 0
3 years ago
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