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coldgirl [10]
3 years ago
12

Please help :) will mark brainliest

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
5 0

Answer:

I cant see your problome I dont know why but what is it

Step-by-step explanation:

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True or false? The circumcenter of a triangle is the center of the only circle that can be circumscribed about it
Dafna11 [192]

Answer:

The statement is true.

Step-by-step explanation:

Given the statement we have to tell the statement is true or false.

The statement is

"The circumcenter of a triangle is the center of the only circle that can be circumscribed about it"

The circumcenter of triangle is the point in the triangle where the perpendicular bisectors of sides intersect.

The center of the circumscribed circle is the the point where the perpendicular bisectors of the sides meet.

Hence,

The circumcenter is also center of the triangle's circumcircle - the circle that pass through all three of the triangle's vertices.

Therefore, the given statement is true.

3 0
3 years ago
Read 2 more answers
In the graph above, the coordinates of the vertices of / are T(4, 4), U(2, –2), and V(6, –2). If / is reflected across the y-axi
trasher [3.6K]
The new coordinates of U are (-2,-2)
3 0
3 years ago
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14x1/2 consider the expression
MissTica

Answer: 7

Step-by-step explanation:

14*1=14

14/2=7

5 0
2 years ago
Are rectangles ABCD and WXYZ congruent? Why or why not?
ser-zykov [4K]

Answer:

D.

Step-by-step explanation:

ABCD area =12

WXYZ area=24

6 0
3 years ago
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Kelly drove north for 9 miles and then east for 12 miles at an average rate of 42 miles per hour to arrive at the town of Prime.
mr_godi [17]

Answer:

Step-by-step explanation:

This is one of the more interesting motion problems I've seen.  I like it!  If Kelly is driving north (straight up) for 9 miles, then turns east (right) and drives for 12 miles, what we have there are 2 sides of a right triangle.  The hypotenuse is created by Brenda's trip, which originated from the same starting point as Kelly and went straight to the destination, no turns.  We need the distance formula to solve this problem, so that means we need to find the distance that Brenda drove.  Using Pythagorean's Theorem:

9^2+12^2=c^2 and

81+144=c^2 and

225=c^2 so

c = 15.

Brenda drove 15 miles.  Now we can fill in a table with the info:

                d        =        r        x        t

Kelly     12+9               42                t

Brenda    15                45                t

Because they both left at the same time, t represents that same time, whatever that time is.  That's our unknown.

If d = rt, then for Kelly:

21 = 42t

For Brenda

15 = 45t

Solve Kelly's equation for t to get

t = 1/2 hr or 30 minutes

Solve Brenda's equations for t to get

t = 1/3 hr or 20 minutes

That means that Brenda arrived at the destination 10 minutes sooner than Kelly.

4 0
3 years ago
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