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joja [24]
3 years ago
6

Una tira de tela blanca mide 120 metros, se la quiere pintar de tres colores, un octavo se pinta de rojo, un tercio del resto se

pinta de azul, ¿Cuántos metros se pintan de azul?
Mathematics
2 answers:
Lorico [155]3 years ago
8 0

Answer:

xdjdnsxsj ddsx 343 de43 43e 43e jrndj anser

Step-by-step explanation:

o-na [289]3 years ago
4 0

Answer:

35m

Step-by-step explanation:

120m

Rojo: 1/8 . 120m --- el resto son 7/8 . 120m

Azul: 1/3 . 7/8 . 120m = 7/24 . 120m = 7/2 . 10m = 70m / 2 = 35m

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Graph.<br><br> y+4=2/5(x−3)<br> plz help
Dominik [7]

Answer:

Step-by-step explanation:

Use DESMOS to make the graph.  You can either rearrange the equation to put it in the form y = mx + b, or leave it as written.  The attached graph, has bot, and they overlap.

y+4=2/5(x−3)

or

y = (2/5)x-5.2

5 0
3 years ago
1.Given the function h(t) = t³ - 2t, find h(-5).​
Svetllana [295]

Answer:

-65

Step-by-step explanation:

h(t) = (-5)^3 -2(-5)

h(t) = -75 +10

h(t) = -65

7 0
2 years ago
Ian earns £420 a week after a 5% rise. <br> What was his pay before?
belka [17]
It turns out that 5% of 400 is 20.

(1/20)*400=20.

So Ian was being paid £400 a week before he was given a pay rise.
4 0
3 years ago
Read 2 more answers
A chef makes 1 and one half gallons of soup in a large pot.how many 1-cup servings can the chef get from this large pot of soup
agasfer [191]
16cups because 1 gallon + 16 cups
8 0
3 years ago
There are 10 cards. Each card has one number between 1 and 10, so that every number from 1 to 10 appears once.
pychu [463]

Answer:

When a card is chosen at random with replacement five times, X is the number of times a prime number is chosen.          Here the card is chosen with replacement.  This implies probability for choosing a prime number remains the same as the previously drawn card is replaced.

The sample space= {1,2,3,4,5,6,7,8,9,10}

Prime numbers = {2,3,5,7}

Prob for drawing prime number = 4/10 = 0.4

is the same when replacement is done.

Also there are two outcomes either prime or non prime.  Hence in this case, X the no of times a prime number is chosen, is binomial with p =0.4 and q = 0.6 and n=5


When a card is chosen at random without replacement three times, X is the number of times an even number is chosen.

Prob for an even number = 0.5

But after one card drawn say odd number next card has prob for even number as 5/9 hence each draw is not independent of the other.  Hence not binomial.

When a card is chosen at random with replacement six times, X is the number of times a 3 is chosen.

Here since every time replacement is done, probability of drawing a 3 remains constant = 1/10 = 0.3

i.e. each draw is independent of the other and there are only two outcomes , 3 or non 3. Hence here X is binomial.

When a card is chosen at random with replacement multiple times, X is the number of times a card is chosen until a 5 is chosen

Here X is the number of times a card is chosen with replacement till 5 is chosen.  This is not binomial.  Here probability for drawing nth time correct 5 is  P(non 5 in the first n-1 draws)*P(5 in nth draw) = 0.1^(n-1) (0.9)

Because nCr is not appearing i.e. 5 cannot appear in any order but only in the last draw, this is not binomial.

Step-by-step explanation:


6 0
3 years ago
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