Let's solve your equation step by step
(3^2)(x)-5=81
step 1:simplify both sides of the equation
(3^2)(x)-5=81
simplify.
9x-5=81
step 2:Add 5 to both sides.
9x-5+5=81+5
9x=86
divide both sides by 9.
9x/9=86/9
x=86/9
Answer:86/9
Hope this helps!
Answer:
it's virtually impossible to calculate by hand. just look up a standard deviation calculator it'll give you the answer once you plug your numbers in for a population or sample
Answer:
see below
Step-by-step explanation:
12(80 – x) = 816
Divide each side by 12
80-x = 816 /12
80-x = 68
Subtract 80 from each side
80-x-80 = 68-80
-x = -12
Multiply each side by -1
x = 12
James earned 80-12 = 68
Answer:
<h3>I know they are not the same name but they have the same question they are the same answer</h3>
Step-by-step explanation:
<h3>#hope it helps you </h3><h3>#happy learning</h3>
Answer:
for question 9 is not that hard
Step-by-step explanation:
take the 8% and just get rid of the percentage away and add a decimal like this 8. then you move it back which should make this 0.8 hope this helps for that section