calculus
posted by Sally .
x (to the power of 3) + 40 / y  (10 + 3)
what is the value of the expression when x=4 and y=8?

x^3 +40/y (10+3)
4^3 + 40/8  13
64+513
56
Respond to this Question
Similar Questions

Algebra
Evaluate the expression x to the 4th power2x to the 3rd power+5x squared+10x+12 for value of x=2 52 
Calculus
If 2 to the 1998 power  2 to the 1997 power  2 to the 1996 power + 2 to the 1995 power = k times 2 to the 1995 power, what is the value of k? 
math
I need to insert grouping symbols in the expression so that the value of the expression is 14 2x2+3(to the 2nd power)4+3x5 I have done it in every way and can't get 14 
Calculus
The power, in amps, transmitted by a belt drive from a motor is given by the function P(v)= 100v  3/16 v^3 . For what value of v is the power at a maximum value? 
algebra
What is the value of the expression 2x to the 2nd power + 3xy 4y to the 2nd power when x = 2 and y = 4? 
Mathmatics
a. Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine: (cos^4)x (or cos*x to the 4th power) b.Use an appropriate Half Angle Formula to Find the Exact value of the expression: 1. tan … 
Please help Math
a. Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine: (cos^4)x (or cos*x to the 4th power) b.Use an appropriate Half Angle Formula to Find the Exact value of the expression: 1. tan … 
math
Which statement is true about the value of (5−n)(5n)? 
Math
Which of the following is equivalent to the expression 8 to the 5 power times 8 to the second power A) 1/8 to the 7 power B) 1/8 to the 3 power C) 8 to the 3 power D) 8 to the 7 power I was in between b and c but im pretty sure its … 
Math
Betty has worked out the financing of her coffee shop. She plans to use the money in a savings account for her startup costs. The savings account was opened by her grandmother five years ago. To figure out the annual interest rate, …