-4x^2-5(x+3)+x^2
First, combine like terms.
-4x^2+x^2= -3x^2
-3x^2-5(x+3)
Distribute the 5.
-3x^2-5x-15 <=== the simplified answer
I hope this helps!
~kaikers
Mean is 0.43 kg.
0.43+0.1+0.1= 0.45
0.45 is two standard deviation above.
All that are below mean is 50%,
Two standard deviation above is 95%/2=47.5%
50%+47.5% =97.7% are balls that are less than 0.45 kg.
100%-97.7%=2.5% balls that are more than 0.45 kg
2.3%=0.025
800*0.025 = 20 <span>soccer balls weigh more than 0.45 kg
Answer is b) 20.</span>
Area = 18 = 1/2 x 6 x (h+1)
h=5
Answer:
this is why i know we should wear a masks
fact reasoning
fact reasoning
fact reasoning
that is why I know we should wear masks
did that help???