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mixer [17]
3 years ago
10

One marble is selected at random from a bowl containing 15 blue marbles and 12 red marbles. What are the odds of selecting a blu

e marble
Mathematics
2 answers:
Softa [21]3 years ago
7 0

Answer:

5/9

Step-by-step explanation:

lana [24]3 years ago
4 0

Answer:

5/9

Step-by-step explanation:

You put the total amount of blue marbles over the total number of marbles and you get 15/27, which simplifies to 5/9

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in right triangle ABC, angle C is a right angle, AB is 25 units long, and BC is 24 units long. What is the lenght of AC?
ycow [4]

Answer:

7 units long

Step-by-step explanation:

We are given a right triangle ABC

  • AB = 25 units
  • BC = 24 units

We are required to determine the length of AC

  • We are going to use the Pythagoras theorem;
  • According to the theorem, if a and b are the legs of a right triangle and c is the hypotenuse, then;

a² + b² = c²

In this case;

AB is the hypotenuse and BC is one of the legs of the triangle;

Therefore;

AB² = BC²+AC²

Rearranging the formula;

AC² = AB² - BC²

       = 25² - 24²

       = 625 - 576

       = 49

AC = √49

     = 7

Thus, AC is 7 units long

6 0
3 years ago
Answer please! 11y - 3y = 24
Zarrin [17]
11-3 = 8
8y = 24
8y/8 = 24/8
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4 0
3 years ago
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Joe tosses a quarter into the air. He does this 30 times. How many times should he expect it to land on heads?
oee [108]

Answer:

Step-by-step explanation:

If it is a fair coin, he should expect heads about 1/2 the time.

1/2 of 30 = 15

He should expect 15 heads.

4 0
2 years ago
The function f(x) = x^2 is reflected across the x-axis and a stretch factor of 4 is applied to create a second function, g(x). W
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C. The vertexes are the same. The functions' vertex (h,k) values were not altered, just a (stretch/compress).
8 0
3 years ago
Please Help. Thank you
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