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olganol [36]
2 years ago
9

Is this graph proportional?

Mathematics
1 answer:
LenKa [72]2 years ago
3 0

Answer:

Yes it is. becaus its even

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Please answer this question, 30 points and will give brainliest!
kotykmax [81]

Answer:

∠C = 80 ° ; ∠ T = 40°.

Step-by-step explanation:

Triangle CRS is isosceles because it has two sides of equal length. (CR and CS are radii).

An isosceles triangle has also two equal angles, which means that ∠CRS= ∠CSR.

Therefore, ∠C = 80 ° (180° – 50° - 50°)  because the sum of angles in a triangle is 180 degrees.  

∠C is the central angle of the arc RS.

∠ T is the inscribed angle of the arc RS.

An inscribed angle is half of a central angle that subtends the same arc on the circle, so the inscribed angle ∠ T is half of the central angle ∠C. Since ∠C = 80 °, we can easily determine the measure of ∠ T:  

80° divided by 2 is 40°.

6 0
2 years ago
Write 5x^4 +2x^2 -8 in quadratic form
Darya [45]
Ok i can help you solve this problem do you know the formula for quadratic equations 

4 0
2 years ago
the map shows the route for a race. you are at a, which is 6000 feet from the first checkpoint b. the second checkpoint c is loc
Nimfa-mama [501]
<span>The two checkpoints are 4,920 ft. apart from each other. The total distance of the race is 15,840 ft. If checkpoint C half the distance between checkpoint B and the end of the race, the distance between Checkpoint B and the end of the race is 9,840 ft. Half of that distance is 4,920 ft.</span>
3 0
3 years ago
marc bought a bike for $800 in the year 2002 . its value depreciates by 6% per year . what was the value of bike in 2015 ? round
Anna007 [38]

Answer:

176

Step-by-step explanation:

800 × 0.06 (6%÷100= 0.06) = 48

48 × 13 (2015 - 2002 = 13) = 624

800-624 = 176

6 0
3 years ago
Determine the radius of a circle if a 24-inch chord is 9 inches from the center.
bixtya [17]
Hi! :)

The radius of a circle is the length from the perimeter of the circle to the center of the circle. 

If  24 inches is still 9 inches from the center, you just have to add 24 and 9 to get the radius. 

24+9= 33

Your final answer should be that the radius is 33 inches.

Hope this helps!
3 0
2 years ago
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