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natulia [17]
3 years ago
15

The coach of a track team is standing on

Mathematics
1 answer:
Ludmilka [50]3 years ago
6 0

,.....................

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Points C and D divide the semicircle into three equal parts. Match the angles with their measures.
Tresset [83]
∠CAE = 120°
∠CAD = 60°
∠BAE = 180°
∠DEC = 30°

We start out with the fact that points C and D split the semicircle into 3 sections.  This means that ∠BAC, ∠CAD and ∠DAE are all 60° (180/3 = 60).

Since it forms a straight line, ∠BAE is 180°.

Since it is formed by ∠CAD and ∠DAE, ∠CAE = 60+60 = 120°.

We know that an inscribed angle is 1/2 of the corresponding arc; since CD is 1/3 of the circle, it is 1/3(180) = 60; and this means that ∠DEC = 30°.
7 0
3 years ago
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The Russian ice breaker yamal can move forward through 2.3-meter-thick ice at a speed of 5.5 kilometers per hour. Write and solv
aleksandrvk [35]

82.5 / 5.5 = 15

15 hrs.

i think that should be the answer but i didn't use the 2.3 -meter-thick clue...

8 0
3 years ago
What is the midpoint of the line segment with endpoints (–1, 7) and (3, –3)?
Kipish [7]
The coordinates consist of x coordinate and y coordinate
(x₁,y₁) = (-1,7)
(x₂,y₂) = (3,-3)

To find the midpoint of x coordinate, use this following formula
x midpoint = (x₁ + x₂)/2
x midpoint = (-1 + 3) / 2
x midpoint = 2/2
x midpoint = 1

To find the midpoint of y coordinate, use this following formula
y midpoint = (y₁ + y₂)/2
y midpoint = (7 + (-3))/2
y midpoint = (7 - 3)/2
y midpoint = 4/2
y midpoint = 2

ANSWER
The midpoint is (1,2)
6 0
3 years ago
Find the Point-Slope equation of the line that passes through the given points. (0,8), (-1,10)
patriot [66]
The slope of the equation is -2
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3 years ago
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Four sevenths plus five sixths
aliya0001 [1]

Answer:

1.40476190476

Step-by-step explanation:

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3 years ago
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