At the local animal shelter, there are 35 cats and 42 dogs. What is the ratio of dogs to cats at the local animal shelter?
1 answer:
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Answer:
Part 1) The radius of the circle is r=17 units
Part 2) The points (-15,14) and (-15,-16) lies on this circle
Step-by-step explanation:
step 1
Find the radius of the circle
we know that
The distance between the center of the circle and any point on the circle is equal to the radius of the circle
the formula to calculate the distance between two points is equal to
we have
(-7, -1) and (8, 7)
substitute
step 2
Find out the y-coordinate of point (-15,y)
The equation of the circle in standard form is equal to
where
(h,k) is the center
r is the radius
substitute the values
Substitute the value of x=-15 in the equation
square root both sides
therefore
we have two solutions
point (-15,14) and point (-15,-16)
see the attached figure to better understand the problem
Answer:
Sorry for the wait.
Step-by-step explanation:
5. the two bottom angles are the same btw
6. straight lines are 180
7. another 180
8. 90 degree angle