I need help please and thank you

1 answer:

3 0

680 exponent 3. you have to multiply and divide so..... yea

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barxatty [35]

Answer:

∡J and ∡K are complementary

Step-by-step explanation:

since ∡L is a right angle, that means it measures 90 degrees

since there are a total of 180 degrees inside a triangle, angles J and K must add up to 90 which means they are complementary

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Karolina [17]

$k^{2}-8k-20=0 \\ (k-10)(k+2)=0 \\ \\ k-10=0 \\ k=10 \\ \\ k+2=0 \\ k=-2 \\ \\ \boxed{k=-2\ and\ 10}$

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Anastaziya [24]

Answer:

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matrenka [14]

6×3.5=21
Rosa has 21 total servings.

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Sergio039 [100]

The answer is b (12)

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