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dem82 [27]
3 years ago
11

Bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate the area

of the polygon. Be sure to show all your work and explain your answer.

Mathematics
2 answers:
Simora [160]3 years ago
6 0

Answer: 220.5 ft^2

Step-by-step explanation:

You separate it into shapes and sum the area of those. I made a triangle 15 by 15, a rectangle 4 by 15, a smaller rectangle 4 by 10, and a triangle 4 by 4

Natali [406]3 years ago
5 0

i accedently added this answer so i cant delete it but i will answer it. pls do not report.

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MatroZZZ [7]
Wouldn’t both numbers be seven
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The upper quartile of a set of data is the mode of the upper half of the data. <br> True<br> False
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I think it might be false, I could be wrong though. 
Hopefully that helped! :) 
7 0
3 years ago
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There are 318 fiction books in the class library. The number of nonfiction books is 47 less than the number of fiction books. Ho
grigory [225]

Answer:

589 books in total

Step-by-step explanation:

fiction books= 381

non-fiction= 381-47= 271

total amount of books(ficton books and non-fiction books together)= 589 books in total

6 0
3 years ago
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Ben needs to buy orange juice. He can buy 64 fl oz at the grocery store for $2.00, or he can buy 256 fl oz at the wholesale club
maw [93]
2. unit price = $ ÷ oz 
<span>a) 64 fl oz for $2 = 2/64 ≈ $0.031 per ounce </span>
<span>b) 256 fl oz for $7.5 = 7.5/256 = $0.029 per ounce </span>
<span>c) buy wholesale because 0.029 < 0.031 </span>

<span>3. unit rate means 1 for the miles </span>
<span>3/10 in ÷ 7/8 mi </span>
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8 0
3 years ago
Solve the following quadratic by factoring.
Lina20 [59]

Answer:

4, -1

Step-by-step explanation:

We can reverse the FOIL (First, outside, inside, last) method to break down the equation. The question is asking to solve by factoring so you want to find the right combination of numbers this equation can be broken down into:

x^2 - 3x - 4 = 0

Because we want x squared, x needs to be multiplied by itself, so we can put x in the first slot for each.

(x + or - ?) ( x + or - ?) = 0

Then we need to find numbers that could be added to get -3 and multiplied to get -4. The only set of numbers that works for this is -4 and 1. Note that the sign you put in front of each number has an impact on your answers. With this we get:

(x - 4) (x + 1) = 0

To test that this is equal to the original equation, simply multiply it out using FOIL.

x * x = x^2

x * 1 = x

x * -4 = -4x

-4 * 1 = -4

Putting each component into an equation:

x^2 + x - 4x - 4 = 0

Simplifying:

x^2 - 3x - 4 = 0

Once we are sure it is still the same equation, we find the solutions. We know 0 multiplied by anything equals 0, so to get 0 as the answer, one of the sets in the parentheses must equal 0. (It doesn't matter what the other one is as long is one equals 0)

Therefore, we have 2 solutions, 4, and -1 because if x is 4, 4-4 is 0 which solves the equation, and if x is -1, then -1 + 1 is 0 which also solves the equation.

You can also check your answers by plugging them back into the original equation.

5 0
3 years ago
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