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3 years ago

What is the result of adding these two equation? 5x-9y=1 -7x+2y=-5

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

4 0

The result of adding the given equations is 2x+7y=4.

Step-by-step explanation:

Given equations are;

5x-9y=1 Eqn 1

-7x+2y=-5 Eqn 2

Adding Eqn 1 and 2

$(5x-9y)+(-7x+2y)=1+(-5)\\5x-9y-7x+2y=1-5$

Arranging alike terms;

$5x-7x-9y+2y=-4\\-2x-7y=-4$

Dividing each term by -1

$\frac{-2x}{-1}+\frac{-7y}{-1}=\frac{-4}{-1}\\2x+7y=4$

The result of adding the given equations is 2x+7y=4.

Keywords: addition, linear equations

Learn more about addition at:

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otez555 [7]

Answer:

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Step-by-step explanation:

Given

2m + 6 > 7(m - 2) ← distribute

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8 0

3 years ago

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stepladder [879]

Answer:

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Step-by-step explanation:

The function and boundaries given are;

h(x) = x + 2, x < 3

And ;

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Now,in the first condition, the maximum value of x will be 2. This means the maximum value of h(x) there is;

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This means that the maximum value of h(x) here is;

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3 years ago

12. Venu and Tanuj are running along a circular track. They take 48 seconds and 56 seconds to

brilliants [131]

Answer:

The meet at first time at starting point after 336 seconds,

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Step-by-step explanation:

Given that Venu and Tanuj take 48 seconds and 56 seconds to

complete a lap respectively.

To meet them again at the startiong point, the time taken must be multiple of 56 and 48.

So, the minimum time required to meet them again at the startiong point is time taken for first time meet.

Time taken to first time meet is the smallest number which can be divided by 56 and 48, i.e the lowest common factor (LCM) of 56 and 48 which is 336 seconds or 5 minutes 36 seconds.

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Number of laps by Tanuj

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Answer:

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3 years ago

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GrogVix [38]

Answer:

m=2/3

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c=-3/2

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3 years ago

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