Answer:
x=2500
*to find the mean of a set of numbers you need to add all the numbers and then divide by how many numbers are in the set*
So the equation will be
(700+1200+2000+x)
——————————— = 1600
4
Okay then add those numbers together
3900 + x
————— = 1600
4
Then you need to times 4 on both sides to get rid of the denominator of 4
- The equation is:
3900 + x = 6400
Then you move the constant to the right by subtracting
the answer is —> x = 2500
The answer is A.
The 4 and 7 with the object in the middle that I forgot the name of
9514 1404 393
Answer:
D. -31m^4n-8m^2
Step-by-step explanation:
Eliminate parentheses by distributing the minus sign. Then collect terms:
(9mn-19m^4n)-(8m^2+12m^4n+9mn) = 9mn -19m^4n -8m^2 -12m^4n -9mn
= m^4n(-19 -12) +mn(9 -9) +m^2(-8)
= -31m^4n -8m^2 . . . . . matches choice D
9) measure of angle 4 would be 89°
As a triangle is always 180 so
180-52-39 = 89