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4 years ago

Which angle pairs are supplementary? Check all that apply.

Mathematics

1 answer:

Lisa [10]4 years ago

6 0

Answer:

Is this what your talking about??

Step-by-step explanation:

Supplementary angles add up to 180 degrees, meaning they are straight lines.

B) ∠4 and ∠3

C) ∠4 and ∠5

E) ∠3 and ∠6

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Help plsssssss WILL GIVE BRAINLIEST

ruslelena [56]

Answer: (1,2)

Step-by-step explanation:

I will help you..

Given:

$-2x-5y=-12\\10x-4y=2$

Lets cancel out the x term..

$5(-2x-5y)=-12(5)\\=-10x-25y=-60$

Now our system looks like this:

$-10x-25y=-60\\10x-4y=2$

Add.

$-29y=-58\\y=2$

plug in 2 for y

$-2x-5(2)=-12\\-2x-10=-12\\-2x=-2\\x=1$

Therefore the system is:

$(1, 2)$

If this helped consider marking brainiest.

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2 years ago

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I need help with this problem 4÷36.2 in long Division

nikitadnepr [17]

4 goes into 36 9 times and 36-36 is zero. Bring down the 2 and at a zero to it so it will be 20. Finally, 4 goes into 20 5 times. Your answer is 9.5

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3 years ago

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BRAINLIEST HELP

Alla [95]

Answer:

Step-by-step explanation:

quick maths

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3 years ago

Anyone wanna help me with my homework? 15 points to whoever can answer these to questions. :)

Alona [7]

Well, company (A) has a deposit of $10

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4 years ago

Find the missing side lengths. Leave your answers as radicals in simplest form.

Citrus2011 [14]

This is the isosceles right triangle, the diagonal of a square, the thing that so upset the Pythagoreans. The two sides and diagonal of a square are in ratio $1:1:\sqrt{2}$ so we get

$u = v = 8$

We could have also gotten this using Trig:

$u = (8 \sqrt{2}) \sin 45^\circ = 8 \sqrt{2}/\sqrt{2} = 8$

$v = (8\sqrt{2})\cos 45^\circ = 8$

Or by recognizing u=v because remaining angle is 45 so this must be isosceles so

$u^2 + u^2 = (8 \sqrt{2})^2$

$2u^2 = 2 (8^2)$

$u = 8$

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4 years ago