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Ludmilka [50]
3 years ago
8

WILL MARK YOU BRAINLIEST NO GUESSES PLZ!!!!!

Mathematics
1 answer:
lina2011 [118]3 years ago
7 0

Answer:

56 degrees

Step-by-step explanation:

x+15 + x + 2x+1 = 180 (triangle angle sum theorem)

4x+ 16 = 180

4x= 164

x= 41

<C = x+15

x+ 41, so

41+ 15=

x+ 56

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What is the volume of a hemisphere with a radius of 1.6 and height of 6.2?
qaws [65]
You can find the area of a hemisphere by using the following equation

V = (2/3) (pi)*r^3

so V = (2/3) (pi)*1.6^3

Which comes out as 8.5786423394 or 8.6


6 0
3 years ago
HELP ASAP!!!!!!!!!!!
ycow [4]

Answer:

should be 30

Step-by-step explanation:

triangles have 180°

if x is 30

2x is 60

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4 0
3 years ago
A card is picked from a standard deck of 52 cards. Determine the odds against and the odds in favor of selecting a red face card
timama [110]
<h3>The probability of picking a red face card from the deck  is (\frac{3}{26} )</h3><h3>The probability of NOT picking a red face card from the deck  is (\frac{23}{26} )</h3>

Step-by-step explanation:

The total number of cards in the deck  = 52

The total number of red( Diamond + Hearts)  face cards in the given deck

= 2 Red Queens +  2 Red jacks + 2 Red kings  = 6 cards

Let E : Event of picking a red face card from the deck

Now , P( any event)  = \frac{\textrm{The number of favorable observations}}{\textrm{Total number of observations}}

So, here P(Picking a red face card)  = \frac{\textrm{The number of red face cards}}{\textrm{Total number of cards}} =  (\frac{6}{52} ) = (\frac{3}{26})

Hence, the probability of picking a red face card from the deck  is (\frac{3}{26} )

Now, as we know P (any event NOT A)  = 1 - P(any event A)

So, P(NOT Picking a red face card) = 1 - P(Picking a red face card)

= 1 - (\frac{3}{26} ) = \frac{26-3}{26}  = (\frac{23}{26})

Hence,  the probability of NOT picking a red face card from the deck  is (\frac{23}{26} )

8 0
3 years ago
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tangare [24]
The answer is 64% 64/100 is 64%
4 0
3 years ago
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Lana71 [14]

Answer:

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Step-by-step explanation:

I don't know for sure if this is all correct but at least you'll have something to write down

7 0
3 years ago
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