To find this answer, just look at the place value next to the one you are trying to find.
You are trying to find the whole number (or 7). The place value digit to the right is 4, which is less than 5. Round down
Your answer is 7
hope this helps
Answer:
70
Step-by-step explanation:
all the angles of a triangle sum 180, so 180 - (70 + 40) = 70
I will only do the first-three. You can repost number 4.
Question 1
f(x) = -x^2 + 10x + 4
dy/dx = -2x + 10
Question 2
f(x) = 20 - x + 2
dy/dx = -1
Question 3
f(x) = ex^4 - 2x^2
dy/dx = e•4x^3 + x^4 - 4x
dy/dx = 4ex^3 + x^4 - 4x
Answer: it’s a
Step-by-step explanation: