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creativ13 [48]
3 years ago
10

Given that there is a 20% chance of rain today,what is the probability that they lose their game​

Mathematics
1 answer:
den301095 [7]3 years ago
7 0

Answer:

Either it rains and they lose, which has probability 20% * 20% = 4%.  

Or it doesn't rain and they lose, which has probability 80% * 50% = 40%.  

Adding these two probabilities gives us 44%

Step-by-step explanation:

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Find the value of pq - r/4 when p= -8 and q= -3 and r= 68
andrey2020 [161]

Answer:

7

Step-by-step explanation:

pq - r/4

(-8)(-3) - 68/4

-8 x -3 = 24 (2 negatives equal a positive)

24 - 68/4

68/4 = 17

24-17 = 7

6 0
3 years ago
If AC=5cm, BC=12cm, and m AC= 40 degrees what is the radius of the circumscribed circle
melamori03 [73]
Let's assume they meant C=40 degrees.  With an angle like that they're asking for approximation; we'll oblige.

The circumradius is the product of the triangle sides divided by four times the area.

Here we have remaining side given by the Law of Cosines.

AB^2 = AC^2 + BC^2 - 2\ AC \ BC \cos C

AB^2 = AC^2 + BC^2  - 2 AC \ AB \cos C = 5^2 + 12^2 - 2(5)(12) \cos 40^\circ

AB = \sqrt{  169 - 120 \cos 40 ^\circ}  \approx 8.77921789

The area is \frac 1 2\ AC \ BC \sin C = \frac 1 2 (5)(12) \sin 40^\circ \approx 19.283628



The circumradius is  r \approx \dfrac{(5)(12)(8.77921789 )}{ 4 (19.283628) }  = 6.829019329




5 0
3 years ago
How many times is the volume of the large sphere than the<br> small sphere?<br> 2<br> 4<br> 6<br> 8
Hoochie [10]

Answer:

8 times larger

Step-by-step explanation:

The radius of the large sphere is double the radius of the small sphere.

7 0
3 years ago
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A grocery store offers 3 different size boxes of peanuts shown below PLEASE HELP
labwork [276]
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3 0
2 years ago
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The ratio of the number of games won to the number of games lost (no ties) by the Middle School Middies is
LenKa [72]

Answer:

27%

Step-by-step explanation:

The ratio means that for every 11 games won, 4 are lost, so the team has won 11<em>x</em> games, lost 4<em>x</em> games, and played 15<em>x</em> games for some positive integer <em>x</em>. The percentage of games lost is

4x / 15x * 100 = 4/15 * 100 = 26.6666 = 27%

6 0
3 years ago
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