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Bas_tet [7]
3 years ago
10

Calculate the area of the triangle with the following vertices. Include the matrix with your work. (-5, 1), (2, 9), and (-5, 9)

Mathematics
1 answer:
stepan [7]3 years ago
8 0

Answer:

good luck :)

Step-by-step explanation:

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Volume and surface area are often compared by manufacturers in order to maximize how much of something can go inside of a packag
notka56 [123]
We have no dimensions to work with. I'll pick some and try and comply with the conditions of the problem. 

Suppose you have an object that is 14 by 22 by 27 cm. These three numbers have no common factor so they cannot be reduced any further, which is helpful for this problem.

Find the Volume
Volume

l = 27 cm
w = 14 cm
h = 22 cm

V = 27 *14 * 22
V = 8316 cm^3

Find the surface area
SA = 2*l*w + 2*l*h  + 2*w*h
SA = 2*27*14  +  2*27*22   +  2*14*22
SA = 756 + 1188 + 616
SA = 2558

Just looking at these numbers The surface area is about 1/3 of the volume. I don't think this is always true.


 \frac{SA}{V} =  \frac{2*L*W  + 2*L*H + 2*W*H}{L*W*H} 

Another way to do this is to consider a cube which might give you a more useful result. 

s = L = W = H all three dimensions are equal in a cube.
The volume of a cube is s*s*s = s^3
The surface area of a cube is 2*s*s + 2*s*s + 2s*s = 6s^2

\frac{SA_cube}{V_cube} =  \frac{6s*s}{s*s*s}
\frac{SA}{V} =  \frac{6}{s}

That means whatever the side length, the Surface Area to volume = 6/the side length which is kind of an interesting result.


4 0
3 years ago
Which of the following expressions is equivalent to the expression?
TEA [102]
Answer should be C! Have a great day!
8 0
3 years ago
Jasmine and Olivia each have a bracelet collection.
kobusy [5.1K]

Answer:

x = 11.25

Step-by-step explanation:

4x=45

divide 4 from both sides

4/4 x = 45/4

x= 11.25

4 0
3 years ago
Read 2 more answers
Need help on this question loves
Vitek1552 [10]

Answer:

5.6+8.5 divided by 2 times 6 = 42.3

3 0
3 years ago
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A local store is offering 20% off regular priceiPods. The original price is $200, how much willthe iPod cost during the sale?
Tju [1.3M]
This is the answer :
100%-20%=80%
\frac{80}{100}  =  \frac{x}{200}  \\ x =  \frac{200 \times 80}{100}  =  \frac{16000}{100}  = 160
the answer $160
8 0
3 years ago
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