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3 years ago

WILL CROWN BRAINLIEST!!!

Mathematics

2 answers:

Anton [14]3 years ago

4 0

When x = 1 y =7
x=2 y=9
x=3 y=11
x=4 y=13

Mars2501 [29]3 years ago

3 0

Ready to be crowned.

Plug in the x values.

y=2x+5

y= 2(1)+5

y=2+5

y=7

First point: (1,7)

Second one:
y=2(2)+5
y=4+5
y=9

Second point: (2,9)

Third one:
y= 2(3)+5
y=6+5
y=11

Third point: (3,11)

Fourth one:
y=2(4)+5
y=8+5
y=13

Fourth point: (4,13)

The points are (in ordered pairs)

(1,7) (2,9) (3,11) (4,13)

I hope this helps!
~kaikers

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2 years ago

Give the general form of the equation of the line through (1,2) and is perpendicular to the line passing through (-6,-3)(6,3)

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Step-by-step explanation:

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3 years ago

Find the length of a rectangle with a diagonal of 10 and a height of 8.

Dmitry_Shevchenko [17]

Answer:

The length of the rectangle is 6.

Step-by-step explanation:

Given: The diagonal of a rectangle is 10 and the height is 8.

Please understand, that a diagonal, divides the rectangle into two tringles.

To find the length of the rectangle, you can use Pythagoras on one of the right sided triangles, because the length of the triangle, is also the length of the rectangle!

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If you know the special 3 4 5 triangle, a so called Pythagorean Triple, then you can "see" the simularity between the numbers.

Instead of 5, a diagonal of 10 is given (factor of 2 bigger).

Instead of 4, the height of 8 is given (factor of 2 bigger). By scaling the Pythagorean Triple 3 4 5 by a factor of 2, you get the numbers 6 8 10. Could it be, that the number we need to find, is six?

Try to verify, by calculating the missing number (which is the length of the rectangle we are looking for).

a² + b² = c²

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Subtract 8² left and right of the = sign.

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You can ignore the -√36 = -6 part of the solution, because a length of -6 has no meaning here.

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