Answer:
restate the question?
Step-by-step explanation:
i cant help if i dont understand
By 2 digits if you mean there is a digit on each side of a division symbol you will solve what you have there and then add a decimal point to the answer and then add zeros to bring down. Then you can repeat the long division process and will have an answer.
Answer: 7
Step-by-step explanation: Cross multiply, so 15 times x and 21 times 5. 21 times 5 is 105 then you divide by 15 which gives you 7.
Answer:
-2.6
Step-by-step explanation:
5x - 5 >/ - 18
5x >/ -13
x>/ -13/5
x>/ -2.6
Answer:
f=1/x^2-81
Step-by-step explanation:
Step 1: Multiply both sides by x^2-81.
fx3−81fx=x
Step 2: Factor out variable f.
f(x3−81x)=x
Step 3: Divide both sides by x^3-81x.
f(x3−81x)
x3−81x
=x
x3−81x
f=
1
x2−81
