Answer:
780
Step-by-step explanation:
So when you're adding consecutive numbers like this. 1+2+3...+39. You add 39 and 1. This is 40. 2+38 is 40. This is a pattern. Now, we do 40 multiplied by 39 and this will give you the number 1620. After this you would have to divide this product by 2. The answer will soon be 780.
Answer:
the slope of y=3x/7+4/7 is M=3 over 7
Answer: 18/31
It is already the simplest form, so it cannot be simplified.
Answer:
ASA
Step-by-step explanation:
∠BAC ≈ ∠CAD
AC = AC
∠BCA ≈ ∠ACD
Answer:
21 students
Step-by-step explanation:
25% of 28 is 7 28-7=21
