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3 years ago

The equations of four lines are given. Identify which lines are parallel.

Mathematics

1 answer:

Stella [2.4K]3 years ago

7 0

Lines 2 & 3 are parallel.

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3 years ago

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Step-by-step explanation:

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3 years ago

Three moons are in the same circular orbit around a planet. The moons are each 120,000 kilometers from the surface of the planet

VladimirAG [237]

Answer:

Step-by-step explanation:

Alright, lets get started.

Please refer the diagram I have attached.

MN is the diameter of the planet which is $MN = 60000$

AM and NC are the distance of moons from the surface of the planet.

$AM = NC = 120000$

Since, angle ABC is given as 90 degree, it means, line AC will pass from the diameter of the planet.

So, distance between moon A and moon C is =

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8 0

3 years ago

Jaclyn estimates that the square root of 50 in the following way: √50 = 2√25 = 2*5 = 10

Harman [31]

Answer:

Jacklyn is wrong because

$\sqrt{50} \ne2 \sqrt{25 }$

Step-by-step explanation:

We have that :Jaclyn estimates that the square root of 50 in the following way:

$\sqrt{50} = 2 \sqrt{25}$

$\sqrt{50} = 2 \times 5$

$\sqrt{50} = 10$

Jacklyn is wrong because she made an error at

$\sqrt{50} = 2 \sqrt{25}$

The correct expression is

$\sqrt{50} = \sqrt{2 \times 25}$

This gives:

$\sqrt{50} = \sqrt{ 25} \times \sqrt{2}$

$\sqrt{50} =5 \sqrt{2}$

8 0

3 years ago