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pychu [463]
3 years ago
6

of 30 students , 1/3 play sports. of those who play sports , 2/5 play soccor. how many students play soccor.

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
6 0

Answer:

4 play soccer.

Step-by-step explanation:

(1/3 * 2/5) * 30

(2/15) * 30

(4/30) * 30

4

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D.
Alex

Answer:

Step-by-step explanation:

This is your correct answer if ur aim is simplification!

3 0
3 years ago
29/40 converted into a decimal
myrzilka [38]

Answer:

The answer is 0.725 Please mark me brainliest xd

6 0
3 years ago
Read 2 more answers
Please help!!!!!!!!!!!
boyakko [2]

Answer:

  (7√6)/2

Step-by-step explanation:

The side ratios in these special triangles are ...

  30°-60°-90° triangle: 1 : √3 : 2

  45°-45°-90° triangle: 1 : 1 : √2

This tells you the length of the horizontal line is 7√3, and the value of x is ...

  (7√3)/√2 = (7√6)/2

_____

<em>Additional comment</em>

Call the length of the horizontal line "y". Then the given ratios tell you ...

  7 : y = 1 : √3   ⇒   y/7 = √3/1   ⇒   y = 7√3

and

  x : y = 1 : √2   ⇒   x/y = 1/√2   ⇒   x = y/√2

When we rationalize the denominator, we get ...

  x = (y√2)/2 = ((7√3)√2)/2 = (7√6)/2

4 0
2 years ago
PLEASE HELP ASAP!! CORRECT ANSWERS ONLY PLEASE!!!
Pepsi [2]

Answer:  8.69 (read explanation)

Step-by-step explanation:

If the one above it is only 8 and x is slightly better it would make much more sense for it to be 8.69..... try it, it sounds quit accurate.

6 0
3 years ago
-7/8 - (-h) = -7/12<br> solve for h<br> pls show work
Westkost [7]

Answer:

The answer is 7/24.

Step-by-step explanation:

I attached a picture, but I'll try to walk through it here.

1) A negative and a negative makes a positive, so h becomes positive.

2) I added 7/8 to both sides, in order to "isolate the variable", which simply means to get h by itself, on one side of the equation (you'll likely hear it said both ways).

3) I multiplied 7/8 by 3/3, and multiplied -7/12 by 2/2. This is known as a common denominator, which in this case is 24. You can only add and subtract fractions that have a common denominator.

4) Multiply both of the fractions to get 21/24 + (-14/24). "Adding a negative" is the same thing as subtracting.

5) 21 - 14 = 7, and since our denominators are the same, the answer is 7/24.

You can confirm the answer by substituting, or "plugging" 7/24 into your original equation, in place of h.

6 0
3 years ago
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