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solong [7]
2 years ago
11

Math question area of figure​

Mathematics
1 answer:
uysha [10]2 years ago
7 0

Answer:

We divide it into 3 rectangles:

A rectangle with sides 19mi and 5mi,

a rectangle with sides 1mi and 31mi,

and a rectangle with sides 10mi and 20mi,

so we get 95 + 31 + 200 = \boxed{326}

Hope this helps!

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Karl’s math class is playing a number game. Each student is given a number card containing the numbers 1 to 6. The rules of the
Lena [83]

By finding the probability, we can expect that 2 out of the 30 students will win the prize.

<h3>How many of the 30 students will win the prize?</h3>

First, we should get the probability of winning this game.

Here the students select two numbers out of 6, just to make the calculations let's say that these numbers are 1 and 2.

Now, we need to get these two numbers in two balls. The probability of getting the ball with the number 1 out of the 6 balls is:

p = 1/6

The probability of getting the ball with the number 2 out of the remaining 5 balls (because we already got one) is:

q = 1/5

The joint probability is then:

P = 2*(1/6)*(1/5) = 1/15.

Where the factor 2 comes to take in account the permutations, for the case where we first draw the number 2 and then the number 1.

Then the expected number of students that will win is equal to the probability times the total number of students:

(1/15)*30 = 2

So out of the 30 students, we can expect that 2 will win.

If you want to learn more about probability:

brainly.com/question/25870256

#SPJ1

8 0
2 years ago
Is B the answer??? PLEASE HELP
NARA [144]
Yes, you are correct!
6 0
3 years ago
How do you find the perimeter on a coordinate plane
hoa [83]

Answer: You draw the shape on the coordinate plan and then you can count the number of unit squares

Step-by-step explanation:

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1 year ago
Mike has a job mowing lawns for a landscaping company.
Firdavs [7]

Answer:

Melissa

Step-by-step explanation:

Melissa earned $390 while mike only made $230

6 0
3 years ago
Read 2 more answers
Write the number in expanded form 249,104,330
olga2289 [7]
200,000,000 + 40,000,000 + 9,000,000 + 100,000 + 4,000 + 300 + 30
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