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Oksi-84 [34.3K]
2 years ago
8

Which equation should be used to solve this problem?

Mathematics
1 answer:
dolphi86 [110]2 years ago
6 0
Equation:

55 = x + (x+15)
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There are 96 people consisting of 48 married couples in a room. Assuming that no husband or wife shakes thr others hand but ever
NikAS [45]

Answer:

4512 handshakes

Step-by-step explanation:

We are told in the question, that there are

96 people in the room = 48 couples

Assuming that no husband or wife shakes each others hand but everyone else shakes hands exactly once

This means

48 couples will shake 94 people because they are excluded

This is calculated as

48 × 94 = 4512 handshakes

6 0
3 years ago
I need help with this please
Nookie1986 [14]

Answer:

steps below

Step-by-step explanation:

3.2.1   AD = DB* sin 2 = DB * sin θ   .. DE // AB   ∠2= θ  ... (1)

By laws of sines:  DB / sin ∠5 = x / sin ∠4    

∠4 = θ-α     ∠5 = 180°-<u>∠1</u>-∠4 = 180°-<u>∠3</u>-∠4 = 180°-(90°-θ)-(θ-α)) = 90°+α

DB = (x*sin ∠5)/sin (θ-α)

     = (x* sin (90°+α)) / sin (θ-α)

AD = DB*sinθ

     = (x* sin (90°+α))*sinθ / sin (θ-α)

     = x* (sin90°cosα+cos90°sinα)*sinθ / sin (θ-α)    .... sin90°=1, cos90°=0

     = x* cosα* sinθ / sin (θ-α)

3.2.2 Please apply Laws of sines to calculate the length

7 0
2 years ago
Caroline’s two managers, Shawna and Morris, are having a meeting to discuss her performance. To prepare, Morris looks at Carolin
PSYCHO15rus [73]
I believe the answeris B
7 0
2 years ago
Read 2 more answers
What percent of 2358 is 90?<br> Step by step please
hoa [83]

Answer:

3.8%

Step-by-step explanation:

90/2358=0.038

7 0
3 years ago
Read 2 more answers
Please help I know that B is wrong because I just took it and it was wrong
svlad2 [7]
If he flipped the coin 100 times and got 50 heads, then the answer would be 0.5 (since 50/100 = 1/2 = 0.5). I think you might be mixing theoretical probability with empirical probability. 

In this case, he got 28 heads out of 75 flips 
so 28/75 = 0.373333... where the 3's repeat forever
This rounds to 0.37

That's why the answer is actually choice A
7 0
3 years ago
Read 2 more answers
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