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Alexxandr [17]
3 years ago
10

What is the arc measure of a 90 degree angle

Mathematics
1 answer:
Arlecino [84]3 years ago
4 0

it’s 1/4 of a circle.

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Involves triangle centroid
Rasek [7]
Here, you do the same as the previous one, keeping in mind that X cuts TW in a 2:1 ratio.

\bf TW-TX=XW\implies \cfrac{8a}{5}+\cfrac{1}{10}-\left(a +\cfrac{4}{5} \right)=XW
\\\\\\
\cfrac{8a}{5}+\cfrac{1}{10}-a-\cfrac{4}{5}=XW\implies \cfrac{3a}{5}-\cfrac{7}{10}=XW\\\\
-------------------------------\\\\

\bf TX:XW\qquad 2:1\qquad \cfrac{TX}{XW}=\cfrac{2}{1}\implies \cfrac{a+\frac{4}{5}}{\frac{3a}{5}-\frac{7}{10}}=\cfrac{2}{1}
\\\\\\
\cfrac{\frac{5a+4}{5}}{\frac{6a-7}{10}}=\cfrac{2}{1}\implies \cfrac{5a+4}{5}\cdot \cfrac{10}{6a-7}=\cfrac{2}{1}\implies \cfrac{10a+8}{6a-7}=\cfrac{2}{1}
\\\\\\
10a+8=12a-14\implies 22=2a\implies \cfrac{22}{2}=a\implies 11=a
6 0
3 years ago
What is the maximum value of P = 4x + 2y, given the constraints on x and y listed below?
Aliun [14]
What are the constraints?


When you graph the constraints the four points you can use are (0,0), (10,0), (0,2), and (6,2). 

(10,0) is the point that gives you the maximum value which is 40.
6 0
3 years ago
Read 2 more answers
2 1/2 1 1/16 = 3 1/16 3 1/2 3 9/16 3 3/16
amm1812
2 1/2     = 2 8/16

so

2 8/16  + 1 1/16    = 3 9/16

The answer is the third option



3 0
3 years ago
A contractor estimates $2,400 to build a deck to a customer’s specifications, How much would it cost to build five similar decks
Bumek [7]
5*2400=$12,000 is the total costs for 5 decks costing $2,400 each.
3 0
3 years ago
Can someone help me ​
Nikolay [14]
Omg this looks hard
4 0
3 years ago
Read 2 more answers
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