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3 years ago

Solve y=3/2 plzzzzzzzzzzzzzzzzzzzzzzzzzz help

Mathematics

1 answer:

FromTheMoon [43]3 years ago

8 0

Go to 1.5 on the y axis. Then make a horizontal line that stays on that elevation from 1.5

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Find the perimeter and area of the polygon with the given vertices W(5,-1), X (5, 6), Y (2, -1), Z (2,6)

Dmitry [639]

Check the picture below. The perimeter? well, you can just count that off the grid, the area? same, but is just a 7x3 rectangle.

4 0

3 years ago

Model and solve linear equations Solve this. 50 + 0.25w = 25 + 0.50w

gavmur [86]

50 = 25 + 0.50w - 0.25w
50 = 25 + 0.25w
50 - 25 = 0.25w
25 = 0.25w
25/0.25 = w
w = 100.

8 0

3 years ago

Ruby has a bird feeder which is visited by an average of 13 birds every 2 hours during daylight hours. What is the probability t

zalisa [80]

Answer:

62.93%

Step-by-step explanation:

We have to solve it by a Poisson distribution, where:

p (x = n) = e ^ (- l) * l ^ (x) / x!

Where he would come being the number of birds that there would be in 40 minutes, we know that in 2 hours, that is 120 minutes there are 13, therefore in 40 there would be:

l = 13 * 40/120

l = 4,333

Now, we have p (x> 3) and that is equal to:

p (x> 3) = 1 - p (x <= 3)

So, we calculate the probability from 0 to 3:

p (x = 0) = 2.72 ^ (- 4.33) * 4.33 ^ (0) / 0! = 0.01313

p (x = 1) = 2.72 ^ (- 4.33) * 4.33 ^ (1) / 1! = 0.0568

p (x = 2) = 2.72 ^ (- 4.33) * 4.33 ^ (2) / 2! = 0.12310

p (x = 3) = 2.72 ^ (- 4.33) * 4.33 ^ (3) / 3! = 0.17767

If we add each one:

0.01313 + 0.0568 + 0.12310 + 0.17767 = 0.3707

replacing:

p (x> 3) = 1 - 0.3707

p (x> 3) = 0.6293

Which means that the probability is 62.93%

5 0

3 years ago

Can someone help me with this?

Wewaii [24]

3x+4=y+5, then y+5=3x+4
It is called: reflexive property

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x = y and y = 10, then x = 10
It is called: equality substitution property

7 0

3 years ago

I really need help with my homework. factorise 10x+25

alina1380 [7]

5(2x + 5), because 10x and 25 only have 5 in common, which is why it's outside the bracket, and 5 × 2x is 10x, and 5 × 5 is 25. Hope this helps!

6 0

3 years ago

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