$\bf \textit{equation of a circle}\\\\ 
(x- h)^2+(y- k)^2= r^2
\qquad 
center~~(\stackrel{-2}{ h},\stackrel{5}{ k})\qquad \qquad 
radius=\stackrel{4}{ r}
\\\\\\\
[x-(-2)]^2+[y-5]^2=4^2\implies (x+2)^2+(y-5)^2=16$

8 0

3 years ago

a school district collected 14,621 pounds of recyclables during last year. This year was 3,943 more pounds of recyclables than i

Zepler [3.9K]

Answer:

14,621 lbs.

Step-by-step explanation:

It says at the beginning of the question that the school district collected 14,621 lbs. of recycling. The part where it says that the school district collected 3,943 lbs. of recycling more than last year is un-needed information.

8 0

3 years ago

Find the simplified form of the expression. Give your answer in scientific notation. (8x10^4)(9x10^-8)

Orlov [11]

<span>you just have to multiply the bases. 3 x 9 = ? add the exponents of the base 10 10^8(10^7)= 10^(8+7)</span>

6 0

3 years ago

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