Answer:
D) 1 : 1
Step-by-step explanation:
Since it's 45-45-90 right triangle, it's an isosceles right triangle. An isosceles right triangle is a triangle that has two legs of equal length. So the ratio of the length of one leg to the length of the other leg is 1 : 1
The minimum number of bags of seed the contractor needs to buy the to cover the entire lawn is 4
<h3>How to determine the number of bags</h3>
Start by calculating the area of the entire field using:
--- area of square
So, we have:


Next calculate the area of the porch using:
-- area of trapezium
So, we have:


The difference between the areas of the entire field and porch is the area of the lawn.
So, we have:


The above means that, the area of the lawn is 1940 square yards
If one bag of grass covers 600 square yards, then the number of bags that can cover 1940 square yards is:


Round to the next highest integer

Hence, the minimum number of bags of seed is 4 bags
Read more about areas at:
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Answer:
The quantity of the mark is $11.20
Step-by-step explanation:
Given that:
Amount paid by store for cell phone = $56
The store marks the price at 20%.
Quantity of the mark = 20% of 56
Quantity of the mark = 
Quantity of the mark = 0.2 * 56
Quantity of the mark = $11.20
Hence,
The quantity of the mark is $11.20
Answer:
The rate of change is "-3". Which means the rate at which the tractor uses fuel.
Step-by-step explanation:
The equation describes a line and any line follows the equation:
y = m*x + c
Where "m" is the rate of change and "c" is the shift on the line. Comparing the equation for the fuel and the equation from the line, the rate of change must be "-3". The rate of change in this context describes the speed at which the tractor uses fuel, at a rate of 3 gallons per hour.
Answer:
The perimeter of the triangle is G) Units