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lilavasa [31]
3 years ago
10

The number of lines formed by 4 points, no three of which are collinear, is ____. A.5 B.4 C.6 D.3

Mathematics
1 answer:
djverab [1.8K]3 years ago
6 0
Use the formula
n(n-1)/2

which is the total number of connections between n points

So,
4(3)/2   = 6

the answer is option C.

Hope this helps
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According to a certain central bank from 2000 to 2016 the average price of a new home in a certain region increased by 62 % to $
Alla [95]

Answer:  $ 290 thousand

Step-by-step explanation:

Given : According to a certain central bank from 2000 to 2016 the average price of a new home in a certain region increased by 62 % to $470 thousand.

Let X be the the average price of a new home in 2000 .

Then , the 62 % increase in price is given by :-

x+0.62(x)=x(1+0.62)=1.62x

Since , the the average price of the home in 2016 = $470 thosand

1.62x=470\\\\\Rightarrow\ x=\dfrac{470}{1.62}=290.12345679\approx290

Hence, the average price of a new home in 2000 =  $ 290 thousand .

3 0
3 years ago
Define a function. Describe what the vertical line test is used for. Describe a real life situation that can be represented by a
Marrrta [24]
A function is a relationship with a quantity (number). For example, if you made a table, and had one side be 1 2 3 4 5 (X axis) and then the y axis (other side) be 5, 10, 15, 20, 25, the function (rule) would be y= x5. The vertical line test is used to see if a graph has a function or not, so if it creates a vertical line on a graph, it has a function.
A real life situation would be miles per hour, so, for the x axis (hours) it said 1, and for the y axis (miles) it would be 60, this means in a duration of 1 hour you went 60 miles. Well, lets say you went 2 hours driving, the miles would be 120. 
For 3 hours, it would be 180. The function here is y= x60!
If you have any questions ask me!
4 0
3 years ago
What is the slope of this line?
shutvik [7]
I think it’s -1 because with rise/run it goes down 2 and over 2 but the line is going down, so it’s negative.
8 0
3 years ago
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3 4/9x5/9 will be lesser or greater than 3 4/9
Dmitry_Shevchenko [17]
It equals 1 74/81 which is less than 3 4/9
3 0
3 years ago
I need help with this
DochEvi [55]

Answer: B. 8 x 10^3

Step-by-step explanation:

4 0
3 years ago
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