If i have $50 dollars and get $20 dollars a week how much money do i nees to save to get $200 in a month?
1 answer:
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Answer:
If d<2, there is no intersection
If d=2, there is one intersection
If 2<d<8, there are two intersections
If d=8, there is one intersection
if d>8, there is no intersection
Step-by-step explanation:
If d<2 (the difference between both radius is 2), the little circle is inside the big one. Thus there is no intersection.
If d=2, the little circle is inside but tangent to the big one. There is one intersection then.
If 2<d<8, there are two intersections since the little circle has a portion outside the big one, and another portion inside.
If d=8, the little circle is tangent to the big one from outside. There is one intersection then.
if d>8, the little circle is completely exterior to the big one. Thus, there is no intersection.
Please find attached the figure for d = 10. The big circle is centered and the other is offset by 10.
Answer:
Hello your question has a disjointed equation attached to it and it is also incomplete attached below is the correct and complete question
A teacher believes that the third homework assignment is a key predictor in how well students will do on the midterm. Let x represent the third homework score and y the midterm exam score. A random sample of last terms students were selected and their grades are shown below
answer :
y-intercept = 25.9047
slope = 2.8420
Step-by-step explanation:
Determine the slope for the regression equation and y intercept
The regression equation ( gotten using excel ; attached below is the excel sample on how the equation was gotten )
y = 25.9047 + 2.8420x
from the equation gotten above
y-intercept = 25.9047
slope = 2.8420
