Answer:
Marcus invited 40 and Laticia invited 28
Step-by-step explanation:
x+y=68 x+40=68
x=y-12 -40 -40
y-12+y=68 x=28
2y-12=68
+12 +12
2y=80
2 2
y=40
Answer:
8
Step-by-step explanation:
Answer:
The answer is
Step-by-step explanation:
Let The number is x
Then the equation is
Answer:
1-7yz
Step-by-step explanation:
1-yz+2yz-2y2z2
First Calculate the product (-2y2z2)
1-yz+2yz-8yz
Then calculate the value of the expression
1-7yz :)
Answer:
Step-by-step explanation:
The largest cross-section of a sphere is the center.
So, we have:
Where
Solving (a): The radius
implies that
Express as fraction
Divide by
Make r the subject
Solving (b): Area of the largest cross-section.
Solving (b): Volume of the sphere