Answer:
14.13 square centimetres
Step-by-step explanation:
To find the area with the diameter, simply divide the diameter by 2, plug it into the radius formula, and solve as before.
Divide your diameter which is 9 by 2 then times it by 3.14=14.13
I hope this helps
Answer:
-36/7 or -5.14287
Step-by-step explanation:
so I would get rid of parentheses you do not need them
=(because when two negative come before two numbers like -x-y they are being added but negative is present to the result of the sum, when one negative sign comes after a number and the other negative sign comes before a number, like x--y they are being added as well but negative is not present to the result of the sum)
-36/7=-5.1428
hope this helps!
Answer:
Step-by-step explanation:
Hello there!
The first thing we want to do is find the least common denominator which would be 20
so we multiply the denominator and numerator of the fractions on the left side by 4
3x4=12
5x4=20 -12/20x
1x4=4
5x4=20 so now we would have
once again we want to isolate the variable using inverse operations
to get rid of the 4/20 we subtract each side by 4/20
now we have
now we want to get rid of the -12/20
to do so we divide each side by -12/20 (or -.6 as a decimal to make it easier)
REMEMBER flip the equality sign
we're left with