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2 years ago

Which expression is equivalent to 6x3 + 3y2 - 5x3 + 2y2

Mathematics

1 answer:

AVprozaik [17]2 years ago

3 0

Answer:

3x + 10y

Step-by-step explanation:

Calculate: (6x*3)+(3y*2)-(5x*3)+(2y*2) = 18x + 6y - 15x + 4y

Collect Like Terms: 18x + 6y - 15x + 4y = 3x +10y

Solution: 3x + 10y

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klio [65]

Answer:

Step-by-step explanation:

The equation representing the growth of the plant after x weeks is expressed as

y = 0.2x+2

Where

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y = 0.2 × 3 + 2 = 2 + 0.6 = 2.6 inches. It is correct.

B is incorrect.

The height of the plant after week 9 was about 3.8 inches. We can check by substituting x = 9 into the equation. It becomes

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2 years ago

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Dima020 [189]

Answer:

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Step-by-step explanation:

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2 years ago

Solve each system of equations by graphing. y = 2x y = x + 1

yawa3891 [41]

Step-by-step explanation:

The system of linear equations are , (i) y = 2x and (ii) y = x + 1 . We will find some coordinates and then we will plot its graph. The point where both Graphs will meet will be the solution of the graph .

• Finding coordinates of Equⁿ (i) :-

Step 1 : Put x = 0 :-

$\tt y = 2x = 2(0) = \red{0}$

Step 2: Put x = 1 :-

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_________________________________

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Step 1 : Put x = 0 :-

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Step 2: Put x = 1 :-

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Now plot these points on the graph Taking appropriate scale . Refer to the attachment in graph . From graph the Solution is (1,2) .

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2 years ago

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Answer:

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dangina [55]

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3 years ago

Which expression is equivalent to 6x*3 + 3y*2 - 5x*3 + 2y*2

Which expression is equivalent to 6x3 + 3y2 - 5x3 + 2y2