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MAVERICK [17]
3 years ago
11

S

Mathematics
1 answer:
Tatiana [17]3 years ago
4 0

Answer:

Se cortarán en 15 trozos.

Step-by-step explanation:

Para determinar la longitud de cada trozo tal que todos los trozos tengan la misma longitud, se descompone factorialmente cada número:

40 = 2\times 2 \times 2 \times 5

50 = 2\times 5\times 5

60 = 2\times 2\times 3\times 5

Ahora, determinamos el factor común de los tres números. Se puede encontrar que los tres números comparten un 2 y un 5. Entonces, el factor común es:

r = 2\times 5 = 10

Este factor común representa la longitud de cada segmento. La cantidad de elementos se obtiene al dividir la suma de longitudes de las cintas por el factor común:

x = \frac{40\,cm+50\,cm+60\,cm}{10\,cm}

x = \frac{150\,cm}{10\,cm}

x = 15

Se cortarán en 15 trozos.

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On average, Chance has noticed that 19 trains pass by his house daily (24 hours) on the nearby train tracks. What is the probabi
nydimaria [60]

Answer:

0.470

Step-by-step explanation:

Given that on  average, Chance has noticed that 19 trains pass by his house daily (24 hours) on the nearby train tracks.

For 8 hour period the average would be 19/3

X no of trains passing is Poisson with average 19 trains per hour

P(X=x) = \frac{19^x e^{-19} }{x!}

Required probability = the probability that at most 6 trains will pass his house in a 8-hour time period

=the probability that at most 6*3 trains will pass his house in a 8*3-hour time period

=P(X\leq18)

=0.4695

=0.470

8 0
3 years ago
Pls help really hard
S_A_V [24]

Answer:

3/5

Step-by-step explanation:

12 out of the twenty are mallards.

12/20=0.6

3/5=0.6

8 0
4 years ago
Helps pls Three generous friends, each with some cash, redistribute their money as follows: Ami gives enough money to Jan and To
Dominik [7]

Answer:

The total amount that all three friends have = $258

Step-by-step explanation:

Three friends: let their initial money be  Ami's money =A, Jan = B, Toy = C

Toy started with $36 and ended with same amount

C = $36

After Ami gives, She is left with= A-x

Jan becomes= 2B

Toy becomes= 2C = 2×36 = 72

After Jan gives, Jan is left with = 2B-y

Ami now has = 2(A-x)

Toy now has = 2(72) = 144

After Toy gives, Toy is left with= 144-z

Ami now has = 2(2)(A-x) = 4(A-x)

Jan now has = 2(2B-y)

Since Toy is left with $36 at the end:

36 = 144-z

z = 144-36 = 108

So Toy spent $108 to double his two other friend's money

Both Amy  and Jan had $108 in total when Toy had $144

Difference between the deductions across = $108

The total amount that all three friends have = 144+108

The total amount that all three friends have= $258

8 0
3 years ago
Lukas wants to create a triangle with sides measuring 9 in 13 in and 15 in he says that more than one triangle is possible given
Karolina [17]

Answer: Lukas is incorrect. The side lengths do not satisfy the triangle inequality rule so no triangles can be drawn given these side lengths.

Step-by-step explanation:

Here is the complete question

Lukas wants to create a triangle with sides measuring 9 in., 13 in., and 15 in. He says that more than one triangle is possible given these side lengths. Which statement about Lukas’s claim is true?

A. Lukas is incorrect. The side lengths satisfy the triangle inequality rule so one unique triangle can be drawn.

B. Lukas is incorrect. The side lengths do not satisfy the triangle inequality rule so no triangles can be drawn given these side lengths.

C. Lukas is correct. The side lengths satisfy the triangle inequality rule so multiple triangles can be drawn.

D. Lukas is correct. The side lengths do not satisfy the triangle inequality rule so multiple triangles can be drawn.

For the figures to make up a triangle, the addition of the square of the two smaller sides must be equal to the square of the larger side. The Pythagoras rule is used.

The figures here are 9, 13 and 15. So let's yes to confirm.

9^2 + 13^2 = 15^2

81 + 169 = 225

250 = 225

Since the two figures are not equal, it is incorrect no triangles can be drawn from the length.

6 0
3 years ago
You are on a cycling trip around Europe with friends.
vekshin1

Answer:

22°C

Step-by-step explanation:

(16 + 20 + 24 + 28 + 28 + 23 + 15)/7 = 22°C

7 0
3 years ago
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