Answer: C, 420
Step-by-step explanation:
The first positive even numbers are from 2 to 40, so the sum is equal to the number of terms, times the number of terms plus one (20*21 = 420)
the sum is 420
Answer:
470 minutes.
Step-by-step explanation:
This is simple. Subtract 10 from 480 to show her break.
Just replace the x in the question with -2, and the y with 2.
Therefore, you're doing ((-2)(2²))/7 which is -2 times 2 squared all over 7.
-2 × 2² = -8
-8/7 is your answer.
Answer:
x>1 (the first one)
Step-by-step explanation:
Part A:
A). Equilateral Isosceles
B). Right isosceles
C). Obtuse scalene
Part B:
F and E
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