goldenmonkey1997 goldenmonkey1997

10-12-2015
Mathematics

contestada

Math Help
Evaluate
4r-4 when r=3

I'm not sure how to work this out, please show me in steps

Respuesta :

10-12-2015

4r-4
4(3)-4
4 multiplied by 3 subtracted by 4
4(3) = 12-4
12 + (-4)
the subtraction changes to addition making the 4 negative.
12 + (-4) = positive 8.
I'm not positive this is 100% correct though.

Answer Link

Otras preguntas

"what is the important measure from weather radar that gives the intensity of the precipitation?"

Find the value of x so that the figures have the same area. 25ft, x-6 ft x ft, 15ft

Which term names a change in the environment that causes an organism to take action? A. growth B. Response C. Genetics D. Stimulus

Which of the following groups does the president most rely upon for advice?A. cabinet membersB. executive office of the PresidentC. state governorsD. Congressio

What happen to the bacteria once it reached the carrying capacity of it ecosystem

Jinnie makes quilts she can make 7 quilts with 21 yards of material how many yards of material would be required to make 12 quilts

Can someone please explain the steps to me for how to factor 2x^3+26x^2+80x. I already know that the GCF is 2x.

In the plot of a story, most of the events result from a central conflict that leads to the , or conclusion

Carey Anderson opened a software consulting firm that immediately paid $21,000 for a computer system. Was Anderson's computer system an expense of the busine

Women in america obtained the right to vote in national elections in

good job