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prisoha [69]
3 years ago
14

En una competición participan 200 atletas, 2/5 son españoles, 1/3 del resto son franceses, 35 son alemanes y el resto son ingles

es. ¿Cuál es la fracción de atletas alemanes que hay?
Mathematics
1 answer:
Bas_tet [7]3 years ago
6 0

Answer:

7/40

Step-by-step explanation:

La fraccion de Alemanes son 35/200=7/40

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Helppppppppppppppppp
Stella [2.4K]

Given:

4 relations in the options.

To find:

The relation which represents a function.

Solution:

We know that, a relation is a function if there exist a unique output value for each input value.

In option A, we have two output values y=-5 and y=1 for single input value x=-1. So, it is not a function.

In option B, we have two output values y=2 and y=4 for single input value x=3. So, it is not a function.

In option C, we have two output values y=1 and y=7 for single input value x=-1. So, it is not a function.

In option D, we have unique output value for each input value. So, it is a function.

Therefore, the correct option is D.

8 0
2 years ago
If the perimeter of a square is 20, what is the length of the diagonal ?
Rina8888 [55]

Answer:

Step-by-step explanation:

if you know that the perimeter is 20,

then you have to divide by 4 to get the length of one side

20/4=5.

Draw the diagonal and write in it's length as x.

Use Pythagorean formula

Then know that a2+b2=c2

and use the two side lengths as a and b.

This gives you the equation

5^2+5^2=x^2.

Do the calculations and solve the equation.

25+25=x^2

50=x^2

√50=x.

Therefore x=√50 where x equals the length of the diagonal.

7 0
3 years ago
What is the value of the 11th term in the following geometric sequence? -5, -10, -20, -40
yaroslaw [1]

You are multiplying 2 to each term each time.

-40 is the 4th term

-40 x 2 = -80

-80 x 2 = - 160

-160 x 2 = -320

-320 x 2 = -640

-640 x 2 = -1280

-1280 x 2 = -2560

-2560 x 2 = -5120

-------------------------------------------------------------------------------------------------------------------

-5120 is your 11th term.

-------------------------------------------------------------------------------------------------------------------

hope this helps

3 0
3 years ago
Read 2 more answers
After 8 years, what is the total amount of a compound interest investment of$25,000 at 3% interes compounded quarteriy? A. 525.3
Artyom0805 [142]
I believe its D. Hope it helps you!
8 0
3 years ago
What shape is this cross-section?
hoa [83]

Answer:

Circle

Step-by-step explanation:

5 0
2 years ago
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