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rosijanka [135]
3 years ago
10

Two questions in 1 please help​

Mathematics
1 answer:
never [62]3 years ago
8 0

Answer:

1 and idk the second

Step-by-step explanation:

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Find the coordinates of the point on a circle with radius 4 at an angle of 2pi/3
dmitriy555 [2]

Answer:

The coordinates of the point on a circle with radius 4 at an angle of \frac{2\pi}{3} radians are x = -2 and y = 3.464.

Step-by-step explanation:

This problem ask us to determine the rectangular coordinates from polar coordinates. The polar coordinates of the point in rectangular form is expressed by the following expression:

(x,y) = (r\cdot \cos \theta, r\cdot \sin \theta)

Where r and \theta are the radius of the circle and the angle of inclination of the point with respect to horizontal, measured in radians. If r = 4 and \theta = \frac{2\pi}{3}\,rad, the coordinates of the point are:

(x,y) = \left(4\cdot \cos \frac{2\pi}{3},4\cdot \sin \frac{2\pi}{3}  \right)

(x,y) = (-2, 3.464)

The coordinates of the point on a circle with radius 4 at an angle of \frac{2\pi}{3} radians are x = -2 and y = 3.464.

4 0
4 years ago
Complete the bubble may by using the words with a?
Novay_Z [31]
What is the question boss
5 0
3 years ago
Which phrase represents this expression? (30 - 10) × 5​
MA_775_DIABLO [31]

Answer:

100

Step-by-step explanation:

Equations in parentheses get solved first: 30-10=20 and 20x5=100

8 0
2 years ago
What is the explicit formula for the geometric sequence with this recursive formula?
weeeeeb [17]

Answer:

A

Step-by-step explanation:

The explicit formula for a geometric sequence is

a_{n} = a₁ (r)^{n-1}

where a₁ is the first term and r the common ratio

The recursive formula gives a term in the sequence by multiplying the previous term by r

Given the recursive formula

a₁ = - 6

a_{n} = a_{n-1} (\frac{1}{4} )

with r = \frac{1}{4}

Then explicit formula is

a_{n} = - 6(\frac{1}{4}) ^{n-1} → A

6 0
4 years ago
Determine the level of measurement of the data set. (nominal, ordinal,
nevsk [136]

Answer:

3

Step-by-step explanation:

6 0
3 years ago
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