3 years ago

Find the missing side length, and enter your answer in the box below. If

Mathematics

1 answer:

mixas84 [53]3 years ago

4 0

3^2 + 4^2 = c^2

sqrt(9) + sqrt(16) = c^2

Sqrt(25) = c^2

C = 5

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Tcecarenko [31]

Hello there k12 user. - i am in k12 too :)

cough.

use mathpapa look it up it should give your anwser i cant copy and paste it, but its there
just put in the numbers

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3 years ago

Solve the simultaneous equations. You must show all your working to find x and y. 1/2x -3y = 9 5x y + y = 28

dedylja [7]

Answer:

$\huge\boxed{x = 6 , y = -2}$

Step-by-step explanation:

$\sf \frac{1}{2} x - 3y = 9-----------(1)\\5x + y = 28 ----------(2)$

Taking equation (1)

$\sf \frac{1}{2} x -3 y=9$

Multiplying both sides by 2

$\sf x-6y = 18$

Adding 6y to both sides

$\sf x = 18+6y$

Putting this in (2)

5(18+6y) + y = 28

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31y+90-28 = 0

31 y + 62 = 0

31y = -62

Dividing both sides by 31

y = -2

Now,

x = 18 + 6y

x = 18+6(-2)

x = 18-12

x = 6

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3 years ago

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Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

THE ANSWER IS 9

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What is the angle that is half of its own complement?

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If you have an angle and want to know its complement, you subtract it from 90 degrees. What angle, when subtracted from 90 degrees, gives the same value?

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3 years ago