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raketka [301]
3 years ago
6

Classify the following system of equations.

Mathematics
1 answer:
zubka84 [21]3 years ago
4 0

Answer:

B) consistent, dependent

Step-by-step explanation:

The given system is

45x - 30y = -90

-12x + 8y = 24

Let us make y the subject in both equations to get:

Top equation

y =  \frac{3}{2}y + 3

Bottom equation

y =  \frac{3}{2}x + 3

We can see that both equations are identically the same.

There is going to be infinitely many solutions.

We say the system is consistent and dependent.

The correct choice is B

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pentagon [3]

Answer:

5=x

Step-by-step explanation:

2x+4=4x-6

-2x     -2x

4=2x-6

+6     +6

10=2x

÷2   ÷2

5=x

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3 years ago
Hiya! can anyone help me with these? it would be greatly appreciated!
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Answer:

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The fuse are building a new home one of the bedroom closet has an area of 48 square feet and a perimeter of 32 ft what are the l
olya-2409 [2.1K]

Answer: The length is 12 feet and the width is 4 feet.

Step-by-step explanation:

Let L represent the length of the bedroom closet.

Let W represent the width of the bedroom closet..

The formula for determining the perimeter of a rectangle is expressed as

Perimeter = 2(L + W)

The perimeter of the bedroom closet is 32 ft. This means that

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L + W = 16

The area of the bedroom closet is 48 ft². This means that

LW = 48 - - - - - - - -- - - - - - 1

Substituting L = 16 - W into equation 1, it becomes

W(16 - W) = 48

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W - 12 = 0 or W - 4 = 0

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Use the formula P=21+2w to find the width of a rectangle when the length is 18cm and perimeter is 48 ..
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Answer:

w=6

Step-by-step explanation:

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checking;

48= 2(18)+2(6)

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48= 48

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