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Vinil7 [7]
3 years ago
7

Someone plz help me on this

Mathematics
1 answer:
ad-work [718]3 years ago
5 0
A. -35
B. +15
C. +3
D. +50
E. +15

A. I am including a picture
B. A
C. B and C

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A 1400-seat theater sells two types of tickets for a concert. Premium seats sell for $30 each and regular seats sell for $20 eac
elena-s [515]

Answer:

x = 638

y = 1190 - 638 = 552

Step-by-step explanation:

Let x = premium seats

let y = regular seats

x + y = 1190         (ten were not sold

30x + 20y = 30180    (amount collected

now multiply the first equation by 20 and subtract

20x + 20y = 23800

30x + 20y = 30180

-10x = -6380

x = 638

y = 1190 - 638 = 552

check it by multipying x and y by their price to see if you come up with the correct amount

Hope this helps

8 0
3 years ago
Read 2 more answers
F(n)= -43 what is it
bezimeni [28]
Sorry that I can't help you with math
8 0
3 years ago
Jack has the following scores on exams in his math class 81, 87 93, 89, 61 81 If he wants to make his performance sound as good
AVprozaik [17]

Answer:

81

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
B) How many more 18-year
Nesterboy [21]

The number if 18-year old 12-year old students that took part in the survey is 320.

  • The number of more 18-year old students than 12-year old students that spent between  25 and  35 mins on social media is 20.

<h3>What is the survey about?</h3>

Looking at the survey chart one can see that the total number of 18year old that partook of the survey are:

30 + 20 + 60 + 70 + 40 + 60 + 40

= 340

From the diagram , 18 year old = 60

                                 12 year old = 40

The differences will be:

= 60 - 40

= 20

Therefore, The number if 18-year old 12-year old students that took part in the survey is 320 and  the number of more 18-year old students than 12-year old students that spent between  25 and  35 mins on social media is 20.

Learn more about social media from

brainly.com/question/16180558

#SPJ1

3 0
2 years ago
The number -13 can be classified as:
pogonyaev
<h3>Answer: Choice B) real and integer</h3>

Explanation:

The set of integers is {..., -3, -2, -1, 0, 1, 2, 3, ...} basically its the set of positive and negative whole numbers, including 0 as well. The set of whole numbers is {0, 1, 2, 3, 4, ...} so any positive number that does not a fractional or decimal part. The value 0 is included in the set of whole numbers. The natural numbers is {1, 2, 3, 4, ...} so it is the set of whole numbers but we kicked out 0 from this set. The set of natural numbers is also called the set of counting numbers.

If we take any two integers and divide them then you'll get a rational number. You cannot have zero in the denominator, but you can have any other integer. For example,  2 and 3 divide to get the fraction 2/3 which is a rational number. Numbers that we cannot express as a fraction of two integers are said to be irrational. An example of this is pi = 3.14 which is irrational. We cannot write pi as a ratio of two integers. One approximation is pi = 22/7, but this doesn't represent pi exactly. Any integer itself is rational. Something like -13 can be written as -13/1, so we cannot say -13 is irrational. That rules out choice A. Choice C is ruled out because negative numbers aren't natural numbers. The same can be said about -13 not being part of the whole number set {0, 1, 2, 3, 4, ...} so choice D is also false.

7 0
3 years ago
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