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prisoha [69]
3 years ago
6

On Sunday, a local hamburger shop sold a combined total of 428 hamburgers and cheeseburgers. The number of cheese burgers sold w

as three times the number of hamburgers sold. How many hamburgers were sold on Sunday?
Mathematics
1 answer:
melisa1 [442]3 years ago
5 0
The equation you can use is x + 3x = 428 with x as the number of cheeseburgers and 3x the number of hamburgers 
you solve for x and get 4x= 428 and x=107

so 321 hamburgers were sold that day.
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Write 15/4 as a mixed number
vazorg [7]
This can be done by actually solving the operation 15/4:
15/4 = <u><em>3 3/4</em></u>
If you were to actually put in fifteen divided by four into a calculator, it would probably give you 3.75, which is equivalent to 3 3/4. 
Hope this helps!
5 0
3 years ago
Simplify: <br><br> 6x + 2 - 1 - 4 - 3 - 2x + 2
IrinaK [193]

Answer:

4x - 4

Step-by-step explanation:

Combine like terms. Like terms are terms with the same variable as well as the same amount of variables:

6x - 2x + 2 - 1 - 4 - 3 + 2

(6x - 2x) = 4x

(2 - 1 - 4 - 3 + 2) = (2 + 2) + (-1 - 4 - 3) = (4) + (-8) = -4

4x - 4 is your answer.

~

3 0
3 years ago
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Mariulka [41]
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6 0
3 years ago
Find the area of the figure.<br> A-56cm^2<br> B-88cm^2<br> C-112cm^2<br> D-384cm^2
julia-pushkina [17]
  • firstly find the area of the square which is sidexside=8x8=64cm^2
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4 0
3 years ago
There are 92 students in a chemistry class. The instructor must choose two students at random. Students in a Chemistry Class Aca
Sergio039 [100]

Answer:

0.0108 = 1.08% probability that a sophomore non-Chemistry major and then a junior non-Chemistry major are chosen at random.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

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Out of 92 students, 9 are non-chemistry major sophomores. So

P(A) = \frac{9}{92}

Then a junior non-Chemistry major are chosen at random.

Now, there are 91 students(1 has been chosen), of which 10 are non-chemistry major juniors. So

P(B) = \frac{10}{91}

What is the probability that a sophomore non-Chemistry major and then a junior non-Chemistry major are chosen at random

P = P(A)*P(B) = \frac{9}{92}*\frac{10}{91} = \frac{9*10}{92*91} = 0.0108

0.0108 = 1.08% probability that a sophomore non-Chemistry major and then a junior non-Chemistry major are chosen at random.

8 0
3 years ago
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