Answer:
< 2 and < 3 are complementary
Step-by-step explanation:
< 2 and < 3 are complementary because since 1 and 2 are complementary and 1 is congruent to 3 that would mean that 1 and 3 are equal degrees, so you could replace one with 2 as shown here: < 1 and < 2 are complementary and < 1 is congruent to < 3, then < 2 and < 3 are complementary. Assume < 1, < 2, and < 3 do not equal 45 degrees.
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The answer is D I’m pretty sure!? Hopefully you got it right!!!!!!!
Your final Andrew will be letter c
Answer: -10, 10
Step-by-step explanation:
first lets add the two equations. add the x's, add the y's, add the constants on the right.
we get
0x - 1y = -10
so then divide --10 by -1 because we do the opposite operations to both sides
and we get y = 10
now substitute y = 10 into the first equation
-10x - 9(10) = 10
and then we get -10x - 90 = 10
now add 90 to both sides
-10x = 100
divide 100 by -10
x = -10
y = 10
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128.309728
add all numbers together and divide by 50(there are 50 numbers)
find the difference of each number and 67.92(the mean)
add all these numbers together and divide by 50
