34 to the nearest tenth is 30, i believe, i haven’t done it since 4th but yeah it’s 30
1840 calories. I might be wrong so don't rely on me 100%. Sorry.
Answer:
712
Step-by-step explanation:
400+6.5%of 4800
312+400=712
Hello,
Let 's a the width,
b the heigth
2a+b=80==>b=80-2a
Area=A(a,b)=a*b=a*(80-2a)
=-2a²+80a
=-2(a²-2*20a+20²-20²)
=-2(a-20)² +800
Area is maxi if a=20 and area max=800