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makvit [3.9K]
3 years ago
13

PLEASE HELP WITH THIS MATHS QUESTION thank you :D

Mathematics
1 answer:
trasher [3.6K]3 years ago
4 0
A)106°- angle at the centre is half of the angle at the circumference

b)74°- when a tangent meets a radius a right angle is created(90+90+106)= 286 360-286= 74°
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How many eighth graders chose History as their favorite subject. Round answer to the nearest whole number.
Elenna [48]

The percentage of eighth-graders that chose History as their favorite subject is 19%

<h3>Percentages and proportion</h3>

From the given table, we have the following parameters

Total students in the 8th grade = 124 students

Total number of 8th graders that chose history = 11 + 12

Total number of 8th graders that chose history = 23

Required percentage = 23/124 * 100

Required percentage = 19%

Hence the percentage of eighth-graders that chose History as their favorite subject is 19%

Learn more on percentages here: brainly.com/question/24304697

4 0
2 years ago
The diameter of a circle is 13 cm. What is the radius of the circle?
nikklg [1K]

Answer:

The Radius is 6.5 cm.

Step-by-step explanation:

We know that the diameter of a circle is a line that begins on one point of a circle and ends on the opposite side. We also know that the radius is a point on the circle that starts from that point and ends at the center. Therefore, the radius would be half the diameter.

13/2 = 6.5

Hope this helped :D!

5 0
2 years ago
A parabola has a vertex at (3,4) and passes through point (-2,-9/4) as shown to the right. Which of the following is the equatio
Alex17521 [72]

Answer:

b. y= -4(x-3)^2+4

Step-by-step explanation:

BECAUSE I DID THIS BEFORE AND THE TEACHA TOLD ME THE RIGHT ANSWER! ITS CORRECT TRUST MEEEE

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6 0
3 years ago
Sal invests $16,000 at age 35. He hopes the investment will be worth $320,000 when he turns 40. If the interest compounds contin
Kaylis [27]

59.9%

Sorry I don’t have time to explain in the middle of an exam

3 0
2 years ago
What is the sum of interior angles of a 53-gon? Type just the number, no words, letters, or symbols
MissTica

Answer:

S = 9180°

Step-by-step explanation:

Given the following data;

Number of sides = 53

To find the sum of interior angles of a 53-gon;

Mathematically, the sum of the interior angles in a regular polygon is given by the formula;

S = 180(n - 2)

Where;

n is the number of sides.

S is the sum of the interior angles

Substituting into the formula, we have;

S = 180(53 - 2)

S = 180 * 51

S = 9180°

8 0
3 years ago
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