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makkiz [27]
3 years ago
8

Are the lines x− 2y= 4 and y= 2x − 2 parallel, perpendicular, or neither? Explain your answer.

Mathematics
1 answer:
madam [21]3 years ago
5 0

Answer: For lines to be parallel, the slope has to be the same.

For lines to be perpendicular, the slope has to be the negative reciprocal.  4 x + 2 y = 7

2 y = − 4 x + 7

y = − 2 x + 7 /2

Compared to : y = 2 x − 3

Step-by-step explanation: Just a good guess.

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What is 100:25 in lowest terms
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3 years ago
How much bigger is the Sum of first 50 even numbers than the sum of first 50 odd numbers?
Lunna [17]

Answer:

50

Step-by-step explanation:

Sum Even numbers

n = 50

d = 2

a1 = 2

The last number is

an = a1 + (n-1)d

an = 2 + (50 - 1)*2

an = 2 + 49 * 2

an = 2 + 98

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Sum of the even numbers

Sum = (a1 + a50)*n/ 2

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sum = 102 * 25

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Sum of the first 50 odd numbers

a1 = 1

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Sum

Sum = (1 + 99)*50/2

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The difference and answer is 2550 - 2500  = 50

7 0
3 years ago
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