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3 years ago

I need the answers pls!!

Mathematics

2 answers:

vichka [17]3 years ago

7 0

<u>First, a complementary angle are two angles that add up to 90. while supplementary add up to 180. </u>

Complementary angles; 1 & 2, 3 & 4, 9 & 10, 11 & 12. (these all make one line which equals 180.)

Supplementary angles; 7 & 8, 5 & 7, 6 & 5, 8 & 6. (these all make up a 90 degree angle.)

Hope this helps. <3

Llana [10]3 years ago

5 0

complimentary angles equal 90 degrees so 1 and 2, 3 and 4, 9 and 10, 11 and 12 would be complimentary

supplementary angles equal 180 degrees so 6 and 5, 5 and 7, 7 and 8, and 8 and 6 would be supplementary

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Answer:

s + a = 250
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Step-by-step explanation:

Let s and a represent the numbers of student and adult tickets sold. The system of equations that can be written from the given information is ...

s + a = 250 . . . . . . total of tickets sold

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Answer:

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3 years ago

A farmer raises only ducks and pigs. There are 55 animals in all on his farm, and 146 legs.

nordsb [41]

Answer:

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Step-by-step explanation:

Let,

x be the number of ducks

y be the number of pigs

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x+y=55 Eqn 1

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Multiplying Eqn 1 by 2

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Subtracting Eqn 3 from Eqn 2

(2x+4y)-(2x+2y)=146-110

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Dividing both sides by 2

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Answer:

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First you need to establish a rate 6/100+3/50

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