What is 1/5 of 75? And how do you get that answer?
1 answer:
Change the fraction to a percentage first. It'll be easier.
1/5 is equal to 20%.
"What is 20% of 75?" is now the question.
Now, we set up the problem.
The part will be 'x', since it is unknown, and 75 is the whole. 20% (1/5) will be the percent, obviously.
Here's a tip: If you can't find what the whole is, it usually follows 'of'.
Fill in the blanks.
15 is 1/5 of 75.
1/5 is equal to 20%.
"What is 20% of 75?" is now the question.
Now, we set up the problem.
The part will be 'x', since it is unknown, and 75 is the whole. 20% (1/5) will be the percent, obviously.
Here's a tip: If you can't find what the whole is, it usually follows 'of'.
Fill in the blanks.
15 is 1/5 of 75.
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Answer:
The zeros are:
- The function has three distinct real zeros.
Hence, option (B) is true.
Step-by-step explanation:
Given the expression
Let us determine the zeros of the function by putting h(x) = 0 and solving the expression
switch sides
as
so
Using the zero factor principle
so
Thus, the zeros are:
It is clear that there are three zeros and all the zeros are distinct real numbers.
Therefore,
- The function has three distinct real zeros.
Hence, option (B) is true.
Answer:
Step-by-step explanation:
The given polynomials can be added together by adding like terms together as shown below:
=> Add together, the coefficient of all terms that have the power of 3.
=>
=>
=>
The answer =
Each ride has a fixed cost of 7 and a cost that increases proportionally to the distance travelled of 0.25 per mile. Therefore the total cost of the ride is:
Where "x" is the distance in miles. Marco can only spend 30 on his ride, therefore the cost must be less or equal to that value.
We can solve the linear equation by isolating the "x" variable on the left side.
Marco's travel must be shorter or equal to 92 miles.