Answer:

Step-by-step explanation:
To calculate Workdone we're going to use the formula:

where F = ma, and a = g = 9.81 ms^-2

m = 2.2 kg
g = 9.81
only the vertical displacement from the original position (i.e the floor) is important when it comes to calculating Workdone. So, she <u>lifts</u> the books 1.25m from the floor and she puts the books in the shelf which is 0.35m above the floor.
So the net distance (or displacement) from the floor is: 0.35m
hence d = 0.35m
Plugging all the values in the equation will yield:



HI :)
First we must distribute the 2.6 to everything inside the ()
The new equation would then be
14.3p-32.24 = 127.92
Then you would add a -32.24 to each side of the equal sign, so that the 32.34 would become a zero pair on the right side of the equal sign and cancel.
The new equation would then be
14.3p = 160.16
Then you divide each side of the = by 14.3, that way the p becomes isolated.
14.3p/14.3 = 160.16/14.3
Then you're left with
p = 11.2
Hope this helped :)
Answer:
sq root of 6 divided by 2
Step-by-step explanation:
use pythagorean theorem: square of each leg equals the square of the hypotenuse
x squared plus x squared = radical three squared
2x² = 3
x² = 
x = square root of 3/2
rationalize the denominator to get sq root of 6 divided by 2
Answer:
the answer is 3
Step-by-step explanation:
First change the whole number (3) to quaters or fraction
3x
= 
Now, add
+
=
Since, we have the same common denominator
now divide
14÷4 =3.5 = 3
Therefore, there are 3 of 3/4 with a remainder of
in 3
.
20/7 times 21/4 is 420/28, which is 15 simplified.
The area is 15 sq ft, or choice A