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aniked [119]
3 years ago
9

X+2y+z=4 2x-y+4z =-8 -3x+y-2z=-1

Mathematics
1 answer:
WITCHER [35]3 years ago
8 0

Answer

{x,y,z} = {-15/4,7/2,3/4}


Step-by-step explanation:


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The function f(x) is graphed on the coordinate plane.
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one adult ticket for a school play costs 10 dollars and one student ticket costs 6 dollars. one evening,750 people attended the
liraira [26]

The algebraic solution to the situation is as follows:

x + y = 750

10x + 6y = 6860

The number of adult and student are 590 and 160 respectively.

<h3>How to find and solve an algebraic equation?</h3>

One adult ticket for a school play costs 10 dollars and one student ticket costs 6 dollars.

One evening,750 people attended the play and the total receipts were 6860.

Therefore,

let

x = number of adult ticket

y = number of student tickets

Therefore,

x + y = 750

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10x + 6y = 6860

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Hence,

x  = 750 - y

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4 0
2 years ago
Suppose you wanted to change the state’s constitution to require public financing for all campaigns. If you were relying on prof
Reil [10]

Answer: $1.5 millions

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Therefore, the minimum amount of money you could reasonably expect to spend in order to qualify for this amendment for the ballot is $1.5 millions

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3 years ago
What are the minimum, first quartile, median, third quartile and maximum of the data set 3,5,7,8,12,13,14,18,21
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Answer:

3, 7, 12, 14, 21

Step-by-step explanation:

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the third quartile is 14. (it is in the middle of 12 and 21 if you look at the question)

21 is the maximum value of the data set.

Answer: 3 is minimum, 7 is first quartile, 12 is median, 14 is third quartile, and 21 is maximum.

5 0
3 years ago
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