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Vikentia [17]
3 years ago
14

Mark all the statements that are true.

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
4 0
B and D are the only true statements.
<span>
A </span>function<span> is a relation for which each value from the set of the first components of the ordered pairs is associated with exactly one value from the set of second components of the ordered pair. Alternatively, you can think of this as for each x, there is one and only one y. Clearly that is not the case here, but it is the equation of the vertical line </span>x = 3.
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How would you teach something you have learned this year in Math to someone younger than you? Write more than 5 sentences.​
deff fn [24]

I would start by saying how much I enjoyed this lesson and how it has helped me in many ways I would also like to state how it was difficult at first but once I started to understand it, it became really easy and would like to thanks the teacher for teaching it.

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3 years ago
Find tan(450-a), If <br><img src="https://tex.z-dn.net/?f=%20%5Ctan%28a%29%20%3D%20%20%5Cfrac%7B1%7D%7B2%7D%20" id="TexFormula1"
Inessa05 [86]

Answer:

tan(450-a)=5\sqrt{3}-8

Step-by-step explanation:

We know that:

tan(a-b)=\frac{tan(a)-tan(b)}{1+tan(a)tan(b)}

tan(450-a)=\frac{tan(450)-tan(a)}{1+tan(450)tan(a)}

Remember:

450°=360°+60°

and:

tan(a)=\frac{1}{2}

Thus:

tan(450-a)=\frac{tan(60)-tan(a)}{1+tan(60)tan(a)}\\\\

Then:

tan(450-a)=5\sqrt{3}-8

4 0
3 years ago
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irakobra [83]
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3 years ago
Solve using the system using elimination for x - y= -5 and 3x + y= 1
IceJOKER [234]
X = y - 5 

x = 1 - y / 3

I hope this helps. :)
7 0
3 years ago
Read 2 more answers
Which of the following is a solution to the linear function y = 4/5x+7
lilavasa [31]
I think it’s X= -35/4
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