Answer:
2
Step-by-step explanation:
Given: a² +a +1= 0
Bringing a terms to the right-hand side:
1= -a² -a
-a² -a= 1
-a -a²= 1
1 -a -a²
= (-a -a²) +1
= 1 +1
= 2
Answer:
180°
Half the circle (360°) is 180°
The central angle is also 180° and the arc is congruent to the measure of the central angle.
Answer:
Step-by-step explanation:
Given is a table of x, f(x) as below
x 1 3 4 6 7 9 10
f(x) 4 8 6 10 10 12 16
Mid pt 6 7 8 10 11 14
width of
interval 2 1 2 1 2 1
dA1 12 7 16 10 22 14
area = area of all rectangles= 81 sq units.
the heights, in meters of some of the tallest waterfalls around the world are listed. 979,896,796,900,836,820,948,914,860,840,81
lions [1.4K]
Answer:
817
Step-by-step explanation:
First add all the numbers:
979+896+796+900+836+820+948+914+860+840+818
= 9607
Next, divide by total amount of numbers. There are 11 numbers, so:
9607/11=817.3636...
Then, round the number. The answer should be clear
Please mark brainliest
Answer:
trueeee :) that is my answer
