Answer:
B. 9, 4, -1, -6, -11, -16, ...
Step-by-step explanation:
An arithmetic sequence is when there is a constant difference between terms. And in this case if you count the spaces in between each number, you get that each one is less than the last by 5. Whereas the other ones change constantly.
Answer:
We form rectangular triangle. Ninghty degrees angle.
Step-by-step explanation:
1) the top of the billboard is
7+12=19 feet above the ground
2) the eye of the cow is
4 feet high
3) the opposite side of the triangle is
19-4=15 feet
4) the distance between cow eye and billboard is
"x"
5) tg (θ)=15/x
6) x=15/tg(Θ)
Answer:
y=-5x-12
y=-0.5x-5
y=-0.5x+0.5
y=-4.5x+3
y=-2x+7
y=2.5x+10
Step-by-step explanation:
Answer:
-24 feet
Step-by-step explanation:
Boat is 4 feet above sea level => +4 feet
She descends 28 feet => -28 feet
Position = +4-28 = -24 feet
Therefore,
Gemma is 24 feet below the sea level