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DIA [1.3K]
3 years ago
9

SAT exams are from a Normal distribution with a mean of 1000 and a standard deviation of 200. What SAT score is in the 90th perc

entile?
Mathematics
1 answer:
Ivahew [28]3 years ago
3 0

Answer:

800

Step-by-step explanation:

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IN ΔBCD line N is the perpendicular bisector of BC and line M is the perpendicular bisector of CD
Helga [31]

Answer:

Correct answer is D(the intersection of lines N and M)

Step-by-step explanation:

we Know that  circumcenter of a triangle is  point at which the perpendicular bisectors of the sides of a triangle intersect and which is equidistant from the three vertices. In other words circumcenter of a triangle is the center of the circle which  passes through the vertices of the triangle. It means, any side of the triangle will act as a chord of the circumcircle. Hence the circumcenter of a triangle must lie on the perpendicular bisectors of the sides. therefore the intersection of line N and M must be  circumcenter of the triangle.

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liubo4ka [24]

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Find the simple interest on $2,219 principal, deposited for 6 years at a rate of 1.91%
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