Question

evaluate -4(a+b)-10a/b when a=8 and b=5

Answer 1

How far have you gotten on this problem?

Answer 2

i just plugged the numbers in im confused on what to do

Answer 3

Do you remember the order of operations?

Parenthesis
Exponents
Multiplication & Division
Addition & Subtraction
(in that order, from left to right)

\[-4(8 + 5) - \frac{10(8)}{5}\]

Answer 4

\[\checkmark\]

Answer 5

ohh imma try it n if i get the answer i will let you know

Answer 6

Sure! Post the work you did so that if you made any errors, we can point them out. :)

Answer 7

ok i got -52-16= -68

Answer 8

Yup, that's correct! :D

Answer 9

so none of these are the answers 625/8 -53 -15

Answer 10

Are you sure you copied the problem correctly? In other words, what is the numerator and denominator of that fraction?

Answer 11

i copied it exactly

Answer 12

Are you sure it's not this: \[\frac{-4(a+b)-10a}{b}\]

Answer 13

no

Answer 14

\[-4(8 + 5) - \frac{10(8)}{5}\]
\[=-4(13) - \frac{2(8)}{1}\]
\[=-52 - 16\]
\[= \fbox{$-68$}\]

Answer 15

yes thats wat i did

Answer 16

even if its written the way i wrote it?

Answer 17

one more question about this one?