Answer:
Step-by-step explanation:
900000
+18765439
=27765439
Answer is 27765439
Answer:1. the 1 one do a half base×height ( 1/2 × 9×17).
2. the second one do 15 ×18 and 20×9 then subtract the2 answers
=15×8=270 20×9=180 270-180=90.
=90
please mark me the brainlest.
Given:
The equation of a circle is:

To find:
The center and radius of the circle.
Solution:
We have,

To make complete square add square of half of x and square of half of y on both sides.




...(i)
The standard form of a circle is:
...(ii)
On comparing both sides, we get

Therefore, the center of the circle is (-2,3) and the radius is 3 units.
Variance is the answer.
Explanation:
The variance is the average of the squared differences from the mean. To figure out the variance, first calculate the difference between each point and the mean; then, square and average the results.
Answer:
105,000 foot-pounds.
Step-by-step explanation:
Work done = 3500 * 30 foot pounds