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dedylja [7]
3 years ago
13

the statement cot theta=12/5 sec theta= -13/5 and the terminal point determined by theta is in quadrant 4

Mathematics
2 answers:
hichkok12 [17]3 years ago
8 0
<h2>Answer:</h2>

The statement  cot theta=12/5 sec theta= -13/5 and the terminal point determined by theta is in quadrant 4 is:

FALSE STATEMENT

<h2>Step-by-step explanation:</h2>

We are given an angle theta(θ) such that at that angle the value of two trignometric function are given as follows:

\cot \theta=\dfrac{12}{5}\\\\and\\\\\\\sec \theta=\dfrac{-13}{5}

and the terminal point  determined by theta is in quadrant 4.

As we know that in fourth quadrant both the cosine as well as secant function is positive whereas the other trignometric function are negative but here the secant function is given negative which is a contradiction to our statement.

Hence, the given statement is a FALSE STATEMENT.

Sonbull [250]3 years ago
7 0
<span>cannot be true because secant theta is greater than zero in quadrant 4</span>
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4 years ago
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nadya68 [22]

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Tcecarenko [31]

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2 years ago
A computer training institute has 625 students that are paying a course fee of $400. Their research shows that for every $20 red
Anastasy [175]
1.
If no changes are made, the school has a revenue of :

625*400$/student=250,000$

2.
Assume that the school decides to reduce n*20$.

This means that there will be an increase of 50n students.

Thus there are 625 + 50n students, each paying 400-20n dollars.

The revenue is: 

(625 + 50n)*(400-20n)=12.5(50+n)*20(20-n)=250(n+50)(20-n)

3.

check the options that we have, 

a fee of $380 means that n=1, thus 

250(n+50)(20-n)=250(1+50)(20-1)=242,250   ($)


a fee of $320 means that n=4, thus

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the other options cannot be considered since neither 400-275, nor 400-325 are multiples of 20.

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6 0
4 years ago
​Quadrilateral ABCD​ is inscribed in this circle.
murzikaleks [220]

Answer:

C = 80

Step-by-step explanation:

A cyclic quadrilateral is one where all 4 vertices touch the circumference of a circle.

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So C = 180 - 100

C = 80

7 0
3 years ago
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