4(1/2x7)=12 <=> x28/2=12
x=12*2/28=24/28=12/14=6/7
Answer:
square 10 to the 4th power but you have to divide it into 2 so it will be 10 to the 2nd power
hope this helps
Answer:
19) (
)^2 = 
20) -
= -81
21)
= 16
Step-by-step explanation:
The only wrong ones are
19) (
)^2 = 
20) -
= -81 ... negative is not inside a parenthesis that's why it is still negative
21) you can add another way is
= 16
Everything else looks good. Great job!
Answer:
%18 tip
Step-by-step explanation:
The dinner cost was $29 before tip
after tip it was $32.22
34.22-29= $5.22 she tipped
$29 * %x = $5.22
After solving this equation, the x is %18
Step-by-step explanation:
answer and explanation is pinned