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PolarNik [594]
3 years ago
12

Two balls are pulled one after another, without replacement, from the box containing three black, five yellow, and seven red bal

ls. What is the probability that the 1st ball is yellow, if the 2nd ball is black
Mathematics
1 answer:
kolezko [41]3 years ago
6 0

Answer:

1/14

Step-by-step explanation:

5/15 × 3/14 = 1/14

Or 0.0714 (3sf)

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What is the length of the missing leg
Shtirlitz [24]

Answer:

12

Step-by-step explanation:

Using the pythagorean theorem, we know that a^2+ b^2=c^2

In our case, we know b, which is 5 and c which is 13.

If we plug that into the equation, we get a^2+ 5^2 = 13^2

Next, we simplify the equation. a^2 + 25 = 169

Then we subtract 25 from 169. 169 - 25 = 144.

Lastly, we do the square root of 144 and we get 12 which is the missing side.

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3 years ago
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What's the slope of the equation y=-3/5x+4?
pentagon [3]

Answer:

the slope is 3/5

Step-by-step explanation:

and if you want the y intercept it's 4

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3 years ago
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Both Andrew and Karleigh recorded the distance they ran in x minutes on treadmills. Andrew A 2-column table with 2 rows. Column
mars1129 [50]

Answer:

ex:Speed (S) is the ratio of the distance (D) covered to the time (t) taken.

That is, S = D/t

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S1 = D1/t

We can then say he ran a distance

D1 = t × S1

= 3600S1

Similarly, let's say Karleigh ran a distance

D2 = t × S2

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Let us compare these two, you will notice that the bigger number between S1 and S2 is going to determine the bigger number between D1 and D2.

Let's choose random numbers for S1 and S2 for clarity, say S1 = 5, S2 = 10

D1 = 3600 × 5

= 18000

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= 36000

This makes D2 bigger than D1. this is an example i found on the internet.

Step-by-

hope this helps, good luck

7 0
3 years ago
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Tresset [83]

Answer:

26

Step-by-step explanation:

Because DAC is a straight line we can equate that:

4x - 8 + 34 + 76 - x = 180

3x + 102 = 180

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x = 26

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4 years ago
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PLEASE THIS IS DUE AT MIDNIGHT LOL:
Free_Kalibri [48]

if a plane flies 455 miles with wind, and takes 400 against the wind, and the wind is blowing at a speed of 12mph, then the plane can fly 2455 miles if it's still in the air

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3 years ago
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