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KengaRu [80]
3 years ago
5

Can you please help me by telling me which one is the answer and how do I solve to get the answer.

Mathematics
1 answer:
Stels [109]3 years ago
8 0

( 3x - 12 / 9x^2 ) ÷ ( x - 4 / 3x ) =

( 3x - 12 / 9x^2 ) × ( 3x / x - 4 ) =

( 3 ( x - 4 ) / 3 × 3x × x ) × ( 3x / x - 4 ) =

( x - 4 / 3x × x ) × ( 3x / x - 4 ) =

( x - 4 ) × 3x / ( x - 4 ) × 3x × x =

1 / x

Thus the correct answer is option A .

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1). Linear Combination (SHOW WORK)
Georgia [21]

Answer:

Part 1) The solution of the system of equations is (2,-5)

Part 2) The solution of the system of equations is (2,4)

Step-by-step explanation:

Part 1) Linear combination

we have

3x+2y=-4 -----> equation A

4x-y=13 -----> equation B

Multiply equation B by 2 both sides

2(4x-y)=2*13

8x-2y=26 -----> equation C

Adds equation A and equation C

3x+2y=-4\\8x-2y=26\\-------\\3x+8x=-4+26\\11x=22\\x=2

Find the value of y

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The solution of the system of equations is (2,-5)

Part 2) By graph

y=(1/2)x+3 -----> equation A

-3x+y=-2 -----> equation B

we know that

The solution of the system of equations is the intersection point both graphs

Using a graphing tool

The intersection point is (2,4)

therefore

The solution of the system of equations is the point (2,4)

see the attached figure

8 0
3 years ago
What is the odd number?​
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Step-by-step explanation:

A whole number that is not able to be divided by two into two equal whole numbers. Example: 1, 3, 5, and 7 are odd numbers

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Step-by-step explanation:

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Answer:

  It is similar to triangle ABC and has coordinates A′(8, −12), B′(4, −16), and C′(−20, 8)

Step-by-step explanation:

Dilated triangles are <em>never congruent</em>, only <em>similar</em> (unless the dilation factor is exactly 1).

The coordinates of an image dilated about the origin are those of the pre-image multiplied by the dilation factor. For example,

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These facts are all you need to know to choose the correct answer (shown above).

3 0
3 years ago
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