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:
brainly.com/question/18019422
Answer:
7
Step-by-step explanation:
evaluate the function means substitute x=-1 and calculate
f(x) = 3x²-4x
f(-1) =f(x=-1) = 3(-1)²-4(-1) =3+4 =7, because (-1)²=1 and -4(-1) =4
First you solve for the area of the unshaded triangle. Use the formula of area of triangle which is 1/2bh to find. 1/2(9)(4) = 18 cm^2. The area of the unshaded triangle is 18cm^2. Now we need to find the area of the rectangle. We can find that by using the formula for area of rectangle which is (b)(h). 12*4 = 48 cm ^2. Now that we have the area of the triangle and the area of the rectangle, we just need to subtract the area of the triangle from the area of the rectangle to get the area of the shaded region. 48 cm^2 - 18 cm^2 = 30 cm^2.
So our answer is: The area of the shaded region is 30 cm^2. In this case it’s option C or the third option for your quiz.
Answer:
thats not a question
Step-by-step explanation: