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son4ous [18]
3 years ago
12

College Precalc. I desperately need help. Will award brainliest.

Mathematics
1 answer:
oee [108]3 years ago
3 0

Answer:

DK dk

Step-by-step explanation:

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Will mark you brainliest
kumpel [21]

Answer: 37%

Step-by-step explanation:

4 0
2 years ago
Discuss two other ways in which you encounter percentages in a typical week of your life
djverab [1.8K]
1) In school, you will encounter percentages on class assignments to see how much progress you made in an subject. 2) On a cell phone, you encounter percentages by how much your cell phone is charged in order to know if you need to charge the battery or not.
8 0
2 years ago
4) Adult tickets for the evening show at XD Theater are $11 and children's tickets are $Belf the theater seats 250 people, how m
kozerog [31]

Omitted value: The price of children ticket was omitted in the question, so i used $8 to solve. You can input the correct value and solve the same way following the steps.

Answer: 100 adult tickets  must be sold.

Step-by-step explanation:

step 1

let  x represent Adults

AND y represent children

Since the theater seats 250 people we have that

x+y = 250..... equation 1

Also price for Adult ticket = $11

and  price children ticket =$8

With total sales at $2,300, we have that

11x + 8y= 2300----- equation 2

Step 2

Making y subject in equation 1

' x+y = 250

y= 250-x

Putting y= 250- x in equation 2

11x + 8(250-x)= 2300

11x +2000-8x= 2300

11x -8x = 2300-2000

3x= 300

x 300/3

x= 100.

To find y

 x+y = 250

100+y=250

y=250-100

y=150

Therefore 100 adult tickets and 150 children tickets must be sold to get a total sales of $2,300

5 0
3 years ago
What is the value of X?<br><br> 1. 24<br> 2. 13.5<br> 3. 144<br> 4. 2.67
stealth61 [152]

Answer:

i think it would be a 24

Step-by-step explanation:

6×3 = 18

8×3 = 24

6 0
3 years ago
Read 2 more answers
a radioactive sample contains 3.00 g of pure 11c, which has a half-life of 20.4 min. (a) how many moles of 11c are present initi
sveta [45]

The number of mole of pure 11C (carbon-11) initially present is 0.2727 mole

<h3>Description of mole </h3>

The mole of a substance is related to it's mass and molar mass according to the following equation

Mole = mass / molar mass

With the above formula, we can obtain the number of mole of pure 11C. Detail below:

<h3>How to determine the mole of 11C</h3>

From the question given, the following data were obtained:

  • Molar mass of 11C = 11 g/mol
  • Mass of 11C = 3 g
  • Mole of 11C =?

Mole = mass / molar mass

Mole = 3 / 11

Mole = 0.2727 mole

Therefore, the number of mole of pure 11C initially present is 0.2727 mole

Learn more about mole:

brainly.com/question/13314627

#SPJ4

8 0
1 year ago
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