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wolverine [178]
3 years ago
8

How do you find the least common multiple of these two expressions. 10x^5v^8 and 25x^4v^7u^2

Mathematics
2 answers:
RoseWind [281]3 years ago
8 0
10x^5v^8=5x^4v^7\cdot2xv\\\\25x^4v^7u^2=5x^4v^7\cdot5u^2\\\\LCM(10x^5v^8;\ 25x^4v^7u^2)=5x^4v^7\cdot2xv\cdot5u^2=50x^5v^8u^2
Ahat [919]3 years ago
4 0
10x^{5} v^{8}= 1*2*5*x*x*x*x*x*v*v*v*v*v*v*v*v \\ 25 x^{4} v^{7} u^{2}=1*5*5*x*x*x*x*v*v*v*v*v*v*v*u*u \\
Underline all the numbers which are common in both the factorisations. Write them down:
5 x^{4} v^{7}
There, you have your LCM of both the expressions.
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What is the first step to take when solving this linear system of equations by the addition-subtraction method? 2x + 4y = 3 x +
Free_Kalibri [48]

The right answer is Option D.

Step-by-step explanation:

Given equations are;

2x+4y=3    Eqn 1

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When we use subtraction-addition method, we make one of the variables same with opposite signs so that only one variable remains after addition or subtraction.

In the given problem, we will multiply Eqn 2 with "-2" so that the x variables become equal and then we can add both the equations and solve for y.

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The first step will be to multiply the second equation by -2 to solve the linear system of equations.

The right answer is Option D.

Keywords: linear equations, subtraction

Learn more about linear equations at:

  • brainly.com/question/8902155
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#LearnwithBrainly

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Step-by-step explanation:

4 0
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tangare [24]

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