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USPshnik [31]
3 years ago
9

Which set of numbers has 11 as a common factor? {154, 231} {143, 221} {33, 39} {77, 91}

Mathematics
1 answer:
Fofino [41]3 years ago
3 0

Answer:

33

Step-by-step explanation:

11 is a command factor of 33

11, 22, 33

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68,435,190 in word form
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sixty eight million, four hundred thirty five thousand, one hundred and nienty

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To raise funds, a school sells raffle tickets to parents and students. The parent tickets cost $6 each and the student tickets c
masya89 [10]

Answer: 312 students purchased a ticket

Step-by-step explanation:

Let x represent the number of raffle tickets sold to parents.

Let y represent the number of raffle tickets sold to students.

The school sold 371 tickets. This means that

x + y = 371

x = 371 - y

The parent tickets cost $6 each and the student tickets cost $1.50 each and the school raised a total of $822. This means that

6x + 1.5y = 822 - - - - - - - -1

Substituting x = 371 - y into equation 1, it becomes

6(371 - y) + 1.5y = 822

2226 - 6y + 1.5y = 822

- 6y + 1.5y = 822 - 2226

- 4.5y = - 1404

y = -1404/-4.5

y = 312

x = 371 - y

x = 371 - 312

x = 59

7 0
3 years ago
Pls someone help me please
kipiarov [429]

2,1,3

Step-by-step explanation:

4 0
3 years ago
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Name an angle supplementary to 25.
Allushta [10]
An angle supplementary to 25 can be 6
7 0
3 years ago
X – 10y = 18<br> -6x – 10y = 32
viva [34]

Answer:

Step-by-step explanation:

x - 10y = 18

-6x - 10y = 32

Since both equations have -10y, we can subtract the second equation from the first to try and solve for x:

(x - 10y) - (-6x - 10y) = 18 - 32

x - 10y + 6x + 10y = -14

7x = -14

x = -2

With this, we can plug the value back into the first equation to solve for y:

(-2) - 10y = 18

-2 - 10y = 18

-10y = 20

y = -2

Therefore, the solution is x = -2, y = -2

8 0
3 years ago
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