Answers & Step-by-step explanation:
#1. Insert given values:

Simplify multiplication from left to right. Use the rule
:

Simplify multiplication:

Simplify subtraction:

#2. Insert given values:

Simplify multiplication:

Simplify multiplication. Use the rule
:

Simplify division:

Simplify fraction:

#3. Insert given values:
Simplify subtraction within parentheses. Convert to fractions. Use the rule
:

Make all denominators the same. Multiply top and bottom by 4 (only do this to the fractions with 1 as the denominator):

Simplify subtraction. Subtract the numerators. The denominator will stay the same:

Insert:

Simplify multiplication. Use the rule
:

Insert:

Simplify addition. Convert the whole number to a fraction. Use the rule
:

Multiply top and bottom of the first term by 4:

:Done
Answer:
190
Step-by-step explanation:
Answer:
C. 128000
Step-by-step explanation:
5^3 x 4^5
Answer:
B
Step-by-step explanation:
Domain and ranges of inverse functions are swapped.
Domain of the original is the range of the inverse and vice versa.
Answer:
, solution is $14.29
Step-by-step explanation:
We can create an equation for this scenario to try and solve it.
Assuming the cost of the CD is x, it’s sale tax will be 0.05x (as that is 5% of x, 0.05.)
We can write the equation in two ways:
or
.
Assuming we take the second one (easier to work with), we can divide both sides by 1.05. The equation simplifies to x = 14.289... which rounds to x = 14.29.
Therefore, the equation is
and the solution is $14.29.
Hope this helped!