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Kazeer [188]
3 years ago
6

Item 3

Mathematics
1 answer:
stepladder [879]3 years ago
4 0

check the picture below.  Notice, is just a 3x3 square.

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Choose the correct words from the drop-down menu to make a true statement about the system of equations.
lyudmila [28]

Answer:C. It has only one solution

Step-by-step explanation:

The system of equations is expressed as

y = x + 2

Subtracting 2 from the left hand side and the right hand side of the equation, it becomes

x = y - 2 - - - - - - - - - 1

-x + 3y = 6

Multiplying the left hand side and the right hand side of the equation by - 1, it becomes

x - 3y = - 6

Adding 3y to the left hand side and the right hand side of the equation, it becomes

x = 3y - 6 - - - - - - - - 2

Equating equation 1 and equation 2, it becomes

y - 2 = 3y - 6

3y - y = - 2 + 6

2y = 4

y = 4/2 = 2

Substituting y = 2 into equation 1, it becomes

x = 2 - 2 = 0

The solutions are (0, 2)

6 0
3 years ago
Lamar and his family sell strawberry jelly and blueberry jelly at the farmers' market every Saturday. So far this year, they hav
REY [17]
You simply do 973-449 to get 524 jars of strawberry jelly
8 0
2 years ago
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A team of ecologists is tracking mountain lions throughout California. They count 4543 mountain lions in the entire state. The a
DanielleElmas [232]
For this case we can make the following rule of three:
 4543 -----------> 423970 km ^ 2
 x ----------------> 250 km ^ 2
 Clearing x we have:
 x = (250/423970) * (4543)
 x = 2.678845201
 Answer:
 
the population density of mountain lions per 250 kmsquared2 in California is:
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6 0
4 years ago
Which is the best approximate solution of the system of linear equations <br> y = 1.5x -1 and y =1?
kotegsom [21]

Answer:

(1.33,1)

Step-by-step explanation:

1 = 1.5x - 1

2 = 1.5x

x = 2/1.5

x = 4/3 or 1.33

5 0
4 years ago
What coefficients do you need to balance the following equation?
Mandarinka [93]

Answer:

4,3,2,6

Step-by-step explanation:

this is because all the atoms are in same number in reactants and products

6 0
3 years ago
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