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KIM [24]
3 years ago
15

Twenty-five cards are numbered from 1 to 25 and placed in a box. One card is selected at random and not replaced. Another card i

s randomly selected. What is the probability of selecting two even numbers?
Mathematics
1 answer:
LuckyWell [14K]3 years ago
6 0

Answer:

11/50

Step-by-step explanation:

In draw 1,

Favourable outcome / Total number of possibilities = 12/25

In draw 2,

Favourable outcome / Total number of possibilities = 11/24

Total chance of getting 2 even numbered cards = 12/25 * 11/24 = 11/50

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8. A carpenter cut the top section of a window frame with a 37 degree angle on each end. The side pieces each have 50 degree ang
marshall27 [118]

Answer:

I will assume that the end of the top section if it were cut at 0 degrees would be cut at right angles to the length of the section.  

Joining a top section with a 37 degree end angle to a side piece with a 50 degree end angle will result in the length of the side piece being at an angle of  

37 + 50 = 87 degrees to each other.  

The same will be true for the other side.  

If the sides were parallel, then going up one side, across the top and then down the other side will result in a change of direction of 180 degrees. However, in this frame the direction turns 87 degrees at the first top corner and another 87 degrees at the second top corner. This is a total of  

87 + 87 = 174 degrees instead of 180 degrees.  

The two sides diverge at an angle of  

180 - 174 = 6 degrees from each other as they extend downwards from the top of the frame

Step-by-step explanation:

4 0
3 years ago
Which correctly names a point, line, or plane in the figure?
Citrus2011 [14]
The answer is A. "e" represents a line. When using points represent line, you only need 2. When using points represent plane, you need three but they can't on the same line. And "D" represents a plane.
5 0
3 years ago
You have $3.20 in quarters and dimes. You have four fewer quarters than dimes. What would the associated system of equations loo
Harlamova29_29 [7]
 The equation is 
Dimes is x

x+x-4=3.20


5 0
3 years ago
Plz help been stuck for a while now
Archy [21]
13.5 is the answer !
7 0
3 years ago
1 + 2 + (-5) + 4 <br><br> A . -6<br> B . -5 <br> C . 0<br> D . 2<br> E . 4<br> F . 12
Dovator [93]

Answer:

Option D. 2

Step-by-step explanation:

1+2+(-5)+4

= 1+2-5+4

= 1+2+4-5

= 7-5

= 2

5 0
3 years ago
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