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Simora [160]
3 years ago
8

At a breakfast buffet, 54% of people choose coffee for their beverage while 16% choose juice. Also, 12% choose both coffee and j

uice. What percentage of people chose coffee only?
Mathematics
2 answers:
Llana [10]3 years ago
6 0

Answer:

The answer is 42%.

Step-by-step explanation:

If we make a Venn diagram, we get 12% in the middle, meaning that 12% of people chose both coffee and juice.

54% is the total amount of people who chose coffee, including the % of people who chose coffee as well as juice.

So, we need to subtract 12% from 54%, therefore giving us 42%.

AnnZ [28]3 years ago
3 0

Answer:

I'm gonna have to say 54%.

Step-by-step explanation:

It says right in the question, "At a breakfast buffet, 54% of people choose coffee for their beverage"

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\frac { 26 }{ 4,340 } \\ \\ =\frac { 26 }{ 4\cdot { 10 }^{ 3 }+3\cdot { 10 }^{ 2 }+4\cdot { 10 }^{ 1 } } \\ \\ =\frac { 26 }{ 10\left( 4\cdot { 10 }^{ 2 }+3\cdot { 10 }^{ 1 }+4 \right)  } \\ \\ =\frac { 2\cdot 13 }{ 2\cdot 5\left( 4\cdot { 10 }^{ 2 }+3\cdot { 10 }^{ 1 }+4 \right)  } \\ \\ =\frac { 13 }{ 5\left( 4\cdot { 10 }^{ 2 }+3\cdot { 10 }^{ 1 }+4 \right)  }

\\ \\ =\frac { 13 }{ 5\left( 400+30+4 \right)  } \\ \\ =\frac { 13 }{ 2,000+150+20 } \\ \\ =\frac { 13 }{ 2,170 }

------

13/2170 = 0.006 (to 3 decimal places)
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3 years ago
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Step-by-step explanation:

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6 0
3 years ago
What is the third angle of a right triangle if one of the angles measures 51.
Elodia [21]

Answer:

39

Step-by-step explanation:

The short answer is 39.

Every triangle has 180 degrees. There are no exceptions to this rule.

Since a triangle has 3 angles, all three together must add up to 180o

A right angle = 90 degrees always.

You are given 51 degrees as your second angle

The third one is x

x + 51 + 90 = 180                   Total of three angles must be 180

x + 141 = 180                           The left has been added to give 141

x = 180 - 141                            Subtract 141 from both sides

x = 39                                     The third angle = 39    

3 0
3 years ago
Laurie has a signed contract with I- Mobile where she will pay a $25 fee each month plus $2 per phone call.
nikitadnepr [17]

Answer:

i dont know how your teacher teaches it but in the first question take away the y after the 25. number 2 the start equation would be 55=2x+25 then you would subtract 25 from each side to get 30=2x, the divide by to to get x=15 or she made 15 calls. number 3 is correct.

i hope this helps

8 0
1 year ago
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