Step-by-step explanation:
square root 15 = irrational
square root 16 = 4 = rational
square root 21 = irrational
square root 22 = irrational
Answer: UW= 9√3
Step-by-step explanation:
This right triangle is a 30-60-90 triangle. This is a special triangle. Since this is a special triangle, the hypotenuse is 2x.
The hypotenuse is 18. We can figure out the length of x.
2x=18
x=9
Since we got 9, you would think it is the answer, but it's not. The length across the 60° angle is x√3. Now that we know the length across from 60°, we can plug in x.
9√3
We can check our answer by using Pythagorean Theorem.
9²+(9√3)²=18²
81+243=18²
324=324
Since they are equal, we know we have the right answer.
30 gallons per hour converts to 120 quarts per hour
Answer:
a and c
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given:
'C' represent total cost of lease. 'd' represents cost of sales in dollars.
Cost of 1 square foot of building = $0.75
Total area of the building = 500 square feet.
Sales tax on the total sales = 2.5%
Now, cost of 500 square feet area = Cost of 1 square foot × Total area
Cost of 500 square feet area = 
Now, sales tax is 2.5 of total sales 'd'. This gives,
Sales tax = 
Now, total cost is the sum of least amount and total sales tax.
Total cost = Least amount + Sales tax
⇒ 
