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jok3333 [9.3K]
3 years ago
6

Find the reference angle for 4pi/7

Mathematics
1 answer:
Alex17521 [72]3 years ago
8 0

Find the Reference Angle (4pi)/7 4π 7 4 π 7 Since the angle 4π 7 4 π 7 is in the second quadrant, subtract 4π 7 4 π 7 from π π.

Thus, \frac{3\pi }{7} is your answer

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The table shows the times of the first three finishers in a race.
9966 [12]

Answer:

Option "B" and "C" are True

Step-by-step explanation:

Given time:

First 12.89

Second 13.52

Third 14.05

Find:

True statement

Computation:

Difference between first and second = 13.52 - 12.89 = 0.63

Difference between second and third = 14.05 - 13.52 = 0.53 (Second true)

Difference between first and third = 14.05 - 12.89 = 1.16 (Third true)

8 0
3 years ago
Jeff has five less than twice the number of clients that Kenan has. The product of the number of clients they have is 322. Write
HACTEHA [7]

Answer:

The equation that represents this situation is 2c² - 5c - 322 = 0

Step-by-step explanation:

∵ Kenan has c clients

∵ Jeff has five less than twice the number of clients that

   Kenan has

- That means multiply c by 2 and then subtract 5 from the

   product to find the number of Jeff's clients

∴ Jeff's clients = 2c - 5

∵ The product of the number of clients they have is 322

∴ c × (2c - 5) = 322

- Multiply c by the bracket (2c - 5)

∴ (c)(2c) + (c)(-5) = 322

∴ 2c² + (-5c) = 322

- Remember (+)(-) = (-)

∴ 2c² - 5c = 322

- Subtract 322 from both sides

∴ 2c² - 5c - 322 = 0

The equation that represents this situation is 2c² - 5c - 322 = 0

6 0
3 years ago
8 is to 64 as 2 is to x
Irina-Kira [14]
8*8=64 well 2*2=4 hope it helps
7 0
3 years ago
Consider the number 284,682
Law Incorporation [45]

Answer:

Hundred thousand's 200000

Ten thousand's = 80000

Thousand's = 4000

Hundreds = 600

Tens = 80

Ones = 2

This is the place value of 284682

Two hundred eighty-four thousand six hundred eighty-two

5 0
3 years ago
Read 2 more answers
An artist is creating a stained glass design. She uses a lead border around each piece. The radius of the circle is 2 ¼ in. Use
NARA [144]

Answer:

The correct answer is -

a. 4.5 inches.

b. side or arm (a)

c. (a) or 4.5, and 18

d. (d) 4.5, and 14.1428

e. 22/7 × r^2 = 15.90

Step-by-step explanation:

Given :

Radius or r = 2 ¼ inches

Solution:

a. the diameter of the circle -

d = 2r

= 2 ¼  *2

= 2.25*2

= 4.5

b. The diameter of the circle is the same length as one side or arm of the square which is

a = d = 4.5

c. The perimeter of the square

P = 4a = 4d = 4*4.5 = 18

d. Perimeter of the circle =

2πr = πd = (22/7)*4.5

= 14.1428

e. the area of the circle =

22/7 × r^2

= 15.90

4 0
3 years ago
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