_Award brainliest if helped!
B. -7≤X≤7
Answer:
-400
Step-by-step explanation:
20 + 14 + 8 + ... + (-70) =
= (-6·1+26)+(-6·2+26)+(-6·3+26)+...+(-6·16+26) =
= -6·(1+2+3+...+16)+26·16 =
= -6·16·17/2+26·16 =
= -6·8·17+26·16 =
= -816+416 =
= -400
Answer:
you know you really need to watch what you say that comes out of your mouth
When something has a negative power you must move it to the denominator to give it a positive power therefore this would then turn into 1/[(5/4)^4] to simplify this (5/4)^4 would be (25/16)(25/16) then finally (625/256) so it would then look like this 1/(625/256) in order to not have a fraction in the denominator you would multiply; 1 x (256/625) which is 256/625.
Answer:
12
Step-by-step explanation:
The formula to find the area of a circle is:
Where "r" is the radius of the circle.
In this case, the radius is 2, and as per what is given in this problem (what the problem asks one to use), pi is rounded down to 3.
The equation will be:
3 * 2^2
Simplify, remember the order of operations:
3 * 4
12
