Help please! Will choose brainliest!
1 answer:
Let us start by graphing these points on a coordinate plane.(See picture) So, we can see that (-15,21) is in the 2nd quadrant. (4.5,10.6) is in the 1st quadrant. (-3/4,-4 1/9) is in the third quadrant.And finally, (3,-7) is in the 4th quadrant. Then we come to our y axis and the x axis. On the y axis we have (0,12)and on the x axis we have (18,0). Hope this helps!
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Answer:
The area of triangle K is 16 times greater than the area of triangle J
Step-by-step explanation:
we know that
If Triangle K is a scaled version of Triangle J
then
Triangle K and Triangle J are similar
If two triangles are similar, then the ratio of its areas is equal to the scale factor squared
Let
z -----> the scale factor
Ak ------> the area of triangle K
Aj -----> the area of triangle J
so
we have
substitute
therefore
The area of triangle K is 16 times greater than the area of triangle J
Answer: C.-1.5
Step-by-step explanation:
Given: The burning time of a very large candle is normally distributed with mean of 2500 hours and standard deviation
of 20 hours.
Let X be a random variable that represent the burning time of a very large candle.
Formula:
For X = 2470
So, the z-score they corresponds to a lifespan of 2470 hours. =-1.5
Hence, the correct option is C.-1.5.