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FinnZ [79.3K]
3 years ago
6

Rebecca was curious whether \triangle STV△STVtriangle, S, T, V and \triangle WUV△WUVtriangle, W, U, V are similar. She wrote a p

roof and came to the conclusion that they are not similar, but her proof is wrong.
Mathematics
2 answers:
drek231 [11]3 years ago
6 0

Answer:

The length of side VT is not 5

Step-by-step explanation:

I got it right on Khan academy

Alexxandr [17]3 years ago
3 0

Answer:

The length of side VT is not 5

Step-by-step explanation:

I did the question and got the answer right

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Solve the triangle. A = 54°, b = 11, c = 8
Delicious77 [7]
In this problem, you apply principles in trigonometry. Since it is not mentioned, you will not assume that the triangle is a special triangle such as the right triangle. Hence, you cannot use Pythagorean formulas. The only equations you can use is the Law of Sines and Law of Cosines.

For finding side a, you can answer this easily by the Law of Cosines. The equation is

a2=b2 +c2 -2bccosA
a2 = 11^2 + 8^2 -2(11)(8)(cos54)
a2 = 81.55
a = √81.55
a = 9 

Then, we use the Law of Sines to find angles B and C. The formula would be

a/sinA = b/sinB = c/sinC
9/sin54° =  11/sinB
B = 80.4°

9/sin54° = 8/sinC
C = 45.6°

The answer would be: a ≈ 9, C ≈ 45.6, B ≈ 80.4
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3 years ago
LMNP is roatated 90 degrees clockwise around the origin
AlexFokin [52]

It would be c, (1, 0)

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2 years ago
Does the tallest can always hold the greatest volume? Explain your answer!
djverab [1.8K]

Alrighty, so,  you know how young children often believe that a taller container will have a greater volume than a shorter container? Even after seeing that both containers hold the same amount, some children will still think the taller container holds more. It may take measuring the water a few times before they get it.

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The tallest container holds the most liquid. Identical containers can have a different capacity.

4 0
2 years ago
Simplify (8x^2 - 1 + 2x^3) - (7x^3 - 3x^2 + 1).
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Answer:

31x^2-2 is the answer....

Step-by-step explanation:

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3 years ago
i need help on a story problem? Jason ran 5/7 of the distance around the school track. Sara ran 4/5 of Jason's distance. What fr
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The first thing you do is to find the lowest common multiple of 5 and 7.What you do on the bottom, you must do on the top 25/35 / 28/35.  The answer is 25/28.  Sara ran 25/28 of the total distance around the track. 
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