Find cotθ if θ terminates in Quadrant III and secθ = - 2.

Answers

Answer 1
O.2 is the answer too yout qeustion sir.
Answer 2
[tex]sec(x) = \frac{1}{cos(x)} \\ \\ -2 = \frac{1}{cos(x)} \\ \\ cos(x) = -\frac{1}{2} [/tex]

If you know your sine/cosine values you know that when:
 cos(x) = 1/2 , sin(x) = √(3)/2
The fact that theta, or "x" as I've been using... terminates in Quadrant III means both cosine and sine will be negative and then cotangent will be positive.

cot(x) = cos(x) / sin(x)
cot(x) = (-1/2) / (-√(3)/2)
cot(x) = (1/2) * (2/√(3))

cot(x) = 1/√(3)
or rationalized as √(3)/3





Related Questions

Solve the equation. 4p + 25 = 6(p – 3) – 3(4 – 3p)

Answers

4p+25=6p-18-12+9p Distribute
4p+25=15p-30 Combine like terms
25=11p-30 Subtract 30 from both sides
11p=55 Divide
p=5

The formular f = 9c/5 + 32 converts temperature in degrees Celsius into temperature in degrees Fahrenheit use the formula to find the value of f when c = -5 also help with the other questions please

Answers

F= 9(-5)/ 5 + 32
=-45/5+32
=-9+32
=23

Can you form a right triangle with the three lengths given? Why or why not? 4mi, 5mi, 6mi

Answers

A right triangle must satisfy this equation: a^2 + b^2 = c^2 

a= shortest length
b=medium length
c=the longest length

a triangle with sides 4,5,6 will satisfy not this equation because:
4^2 + 5^2 ≠ 6^2 
16+25 = 41

41 ≠ 36

so the answer is C.

Hope this helps.

-Jabba

yes it's possible. sum of square of 4 and 5 is equal to the square of 6.

If we express $-2x^2 + 4x + 5$ in the form $a(x - h)^2 + k$, then what is $k$?

Answers

Bjbkbkbgjgjkgkhgkhghkgkugkugkugkhvghdts

An item on sale costs 95% of the original price. if the original price was $60 , what is the sale price?

Answers

60×95%
=$57
The sale price is $57.

assume y varies directly as x. if y=8 when x=42; find y when x=126

Answers

varies directly basically means a multiple of

y = kx

where "k" is the constant of variation. You must solve for this first using the given information.

8 = 42k
8/42 = k
0.19= k

Equation: y = 0.19x
when x = 126
y = 0.19(126)
y = 24


Help please usatestprep

Answers

The answer is c) I just worked it out

Answer:

the answer is C

Step-by-step explanation:

20 POINTS TO WHOEVER ANSWERS THIS FIRST

Translate the word phrase into a math expression

12 meters longer than his throw
A.T / 12
B. 12 x T
C. T - 12
D. T + 12

Answers

D. 12+T
^^^^^^^^^^^^^
Lets say his throw = t

12 meters longer than his throw  
12 longer than t   (longer than probably means you need to add)

Answer: t + 12

Given that h(x) = 3x −19, find the value of x that makes h(x) = 71. (5 points)


30

43

52

194

Answers

3x - 19 = 71
3x - 19 + 19 = 71 + 19
3x + 0 = 90
x = 90/3 = 30

A company rents riding equipment for a fixed amount plus a fee based on the number of days for which the equipment is rented. The table below shows the total charges, y, in dollars, of renting riding equipment for x number of days:

Riding Equipment Rentals
Number of Days
(x) Total Charges (dollars)
(y)
0 6
1 16
2 26


What is the fixed amount charged?
$6
$10
$16
$26
(is it a or b?)

Answers

The answer is 6. I know that because I solved the question and I got 6 I'm positive its 6. Hope this helps.

Answer:

A - 6$

You pay six dollars up front, on day zero.

How do you write 180% as a fraction or mixed number in simplest form?

Answers

180% would be written as 1 4/5 in simplest form
Final answer:

To write 180% as a fraction or mixed number in simplest form, convert the percent to a fraction with a denominator of 100 and simplify the fraction. The simplified fraction is 9/5 or the mixed number is 1 and 4/5.

Explanation:

To convert a percent to a fraction or mixed number in simplest form, we need to write the percent as a fraction with a denominator of 100 and then simplify it. In this case, 180% can be written as 180/100. To simplify, we divide both the numerator and denominator by their greatest common divisor, which is 20. So, the simplified fraction is 9/5. This fraction can also be expressed as a mixed number by dividing the numerator by the denominator. Since 9 is greater than 5, the mixed number is 1 and 4/5.

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What is the difference between slope and unit rate?

Answers

Slope is for a average rate and unit rate is what you get for just one thing

Beth did a walk for charity and earned $24 for every 2 1/2 miles she walked. what is the unit rate?

Answers

The unit rate would be how much she earns per hour.
Divide 24 by 2 1/2

24 / 2.5 = 9.60
The unit rate is $9.60 per hour

Calculate the length of the marked side

Answers

line AB the one marked c cm is:

8.2 * sin(49)=

6.1889

round answer to 6.2 cm

Ok this is really worth 90 pts, so can any body please help me on this.

Question 4 (Worth 90 points)
Given the function g(x) = 6(4)x, Section A is from x = 0 to x = 1 and Section B is from x = 2 to x = 3.

Part A: Find the average rate of change of each section. (4 points)

Part B: How many times greater is the average rate of change of Section B than Section A? Explain why one rate of change is greater than the other. (6 points)

Answers

Part A:

f(x) = 5^x
f(x) = 5^0 = 0
f(x) = 5^1 = 5
Use this formula to solve: f(b) - f(a)/b - a
5 - 0 / 1 - 0 = 5/1 = 5
____________________

f(x) = 5^2 = 25
f(x) = 5^3 = 125
125 - 25 / 3 - 2 = 100/1 = 100

Average rate of change: 
Section A: 5
Section B: 100

Part B: 

Section B is 20 times greater then A
Why?
Because Section B is increasing in the equation. Thus, Section B is of greater value than Section A.

Part 1 (or a if you prefer):

f(x) = 5^x

f(x) = 5^0 = 0

f(x) = 5^1 = 5

Use this formula to solve: f(b) - f(a)/b - a

5 - 0 / 1 - 0 = 5/1 = 5

--

f(x) = 5^2 = 25

f(x) = 5^3 = 125

125 - 25 / 3 - 2 = 100/1 = 100

Average rate of change: 

Section A: 5

Section B: 100

Part 2 (or b if you prefer): 

Section B is 20 times greater then A

This is because Section B is increasing in the equation. Thus, Section B is of greater value than Section A.

Hope this assists you and future students.

While hiding behind a bush, Chamara sees an ice cream truck and yelps in joy. Kevin, Justin, and Jason come running over to buy ice cream upon hearing Chamara yelp. The four of them each want an ice cream cone. Each ice cream cone is $4. The cones are each buy one get one half off. If they decide to split the cost evenly, how much do each of the boys pay?

Answers

so all four went to the ice-cream lady and got first 2 ice-creams, the lady said, "ok 4 bucks for the first one, and half-off the second, or 2 bucks".

so, for the first two cones, they didn't pay 4+4 bucks, they only paid 4+2 bucks, and for the next two cones, they paid the same.

so in total for the four cones they paid 4+2  and 4+2, or 12 bucks.

how many times do 4(boys) go into 12(total)?   12/4.

The line which passes through the point (-1,2) and whose slope is undefined. Write it in slope intercept form

Answers

The only lines that have a slope that is undefined are vertical ones.

We can write this equation, which passes through (-1, 2) and has a slope of undefined.

x = -1 + 0
Or when simplified,
x = -1

How long does it take to go 20 miles at 70 mph?

Answers

Since distance = rate × time
20 miles = 70 miles per hour × time
Divide both sides by 70 miles per hour!
[tex] \frac{2}{7} hours[/tex] = time

Which is about 17 minutes...

According to the rules of significant figures:

1 • 225 = 200

A. True
B. False

Answers

False! According to the rules of significant figure.

The measure of angle b is three times the measure of angle
a. the sum of the angle measures is 128°. find the value of x.

Answers

You should ask your parent/guardian
 or teacher if needed! Merry Christmas!

What three different equations that have x = 5 as a solution

Answers

5x=25 could be one.
25/x-3=2 is another.
And the last one could be x/85+7=24
x+10 = 15

10x + 10 = 65

7x + 8(x²) = 235

hope this helps

What is the probability of getting either a sum of 5 or at least one 4 in the roll of a pair of​ dice?

Answers

the answer should be 2/12

Ervin sells vintage cars. Every three months, he manages to sell 13 cars. Assuming he sells cars at a constant rate, what is the slope of the line that represents this relationship if time in months is along the x-axis and the number of cars sold is along the y-axis?

Answers

Answer:  [tex]4.33\text{ cars per month.}[/tex]

Step-by-step explanation:

Given : Ervin sells vintage cars. Every three months, he manages to sell 13 cars.

[tex]m=\dfrac{\text{change in y}}{\text{change in x}}[/tex]

If time in months is along the x-axis and the number of cars sold is along the y-axis

Change in months : 3

Change number of cars : 13

The slope of the line that represents this relationship will be :-

[tex]m=\dfrac{\text{Change in cars}}{\text{Change in months}}\\\\=\dfrac{13}{3}=4.33333\approx4.33\text{ cars per month.}[/tex]

Hence, the slope of the line = [tex]4.33\text{ cars per month.}[/tex]

Answer:

View the picture for your answer!

have a nice day :))

How does solving absolute value inequalities relate to solving compound inequalities?

Answers

An absolute value inequality is solved by re-writing it as compound inequality. For example.

|x+1| < 5

Since the value inside the absolute value brackets: (x+1) can be positive or negative, it is re-written as a compound inequality as the example below.

x+1 < 5

x+1 > - 5

solve for the range of values x can be

-6 < x < 4


Solving absolute value inequalities yields compound inequalities. Absolute value cases create intervals, linking the processes in algebraic solutions.

Solving absolute value inequalities and compound inequalities are related concepts in algebra, both involving multiple solutions and a range of possible values. Absolute value inequalities often result in compound inequalities due to the nature of the absolute value function.

When solving an absolute value inequality, such as [tex]\(|x - a| < b\), where \(a\)[/tex]and[tex]\(b\)[/tex] are constants, it generally leads to two separate cases: [tex]\(x - a < b\)[/tex] and [tex]\(x - a > -b\).[/tex] These cases represent the intervals where the expression inside the absolute value is less than [tex]\(b\)[/tex] and greater than its negative counterpart.

This process connects with solving compound inequalities, which involve combining two or more inequalities using logical connectors like "and" or "or." The solutions to the individual inequalities are then used to determine the overall solution to the compound inequality.

For instance, in the absolute value inequality[tex]\(|x - a| < b\)[/tex], the resulting compound inequality might be [tex]\(a - b < x < a + b\)[/tex]. This demonstrates that the solutions lie within the interval \((a - b, a + b)\), illustrating the linkage between solving absolute value inequalities and dealing with compound inequalities. Both concepts require careful consideration of multiple scenarios and the integration of solutions to find the overall solution set.

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A total of 210 people attended the opening night of a school musical. Student tickets cost $3.00 each while general admission tickets cost $7.50 each. If total sales were $1296, how many general admission tickets were sold?

Answers

To determine the number of general admission tickets sold, two equations were formed using the total number of attendees and total sales. By applying the elimination method to solve the system of equations, it was found that 148 general admission tickets were sold.

To solve this problem, we can set up two equations based on the number of people and the total sales. Let x represent the number of student tickets sold at $3.00 each, and let y represent the number of general admission tickets sold at $7.50 each. We are given that a total of 210 people attended, so:

1) x + y = 210

We are also given that the total sales were $1296, so:

2) 3x + 7.5y = 1296

We can solve this system of equations using the substitution or elimination method. For this example, I will use the elimination method. To eliminate one variable, we can multiply the first equation by 3, which gives us:

3x + 3y = 630

Now, by subtracting this new equation from the second equation, we eliminate x:

7.5y - 3y = 1296 - 630

4.5y = 666

Dividing both sides by 4.5, we find that:

y = 148

So, 148 general admission tickets were sold on the opening night of the school musical.

The graph shows the altitude of a helicopter over time.
A graph measuring altitude and time. A line runs through coordinates (0, 10,000) and (15, 4000) and shows a decrease in altitude as time increases What is the slope of the line and what does it mean in this situation?

a. The slope is –2000 . This means that the helicopter descends 2000 ft each minute.

b. The slope is –400 . This means that the helicopter descends 400 ft each minute. The slope is 400. This means that the helicopter ascends 400 ft each minute.

c. The slope is 2000. This means that the helicopter ascends 2000 ft each minute.

Answers

b. The slope is  - 400. This means that the helicopter descends 400 ft each minute. The slope is 400. This means that the helicopter ascends 400 ft each minute.

What are lines and their slopes?

We know lines have various types of equations, the general type is

Ax + By + c = 0, and equation of a line in slope-intercept form is y = mx + b.

Where slope = m and b = y-intercept.

the slope is the rate of change of the y-axis with respect to the x-axis and the y-intercept is the (0,b) where the line intersects the y-axis at x = 0.

This situation is mathematically represented as a line and slope.

Points  (0, 10,000) and (15, 4000).

We know slope(m) = (y₂ - y₁)/(x₂ - x₁).

Slope(m) = (4000 - 10000)/(15 - 0).

Slope(m) = - 6000/15.

Slope(m) = - 400.

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Find angle B if triangle ABC below is isosceles.

a. 77 degrees
b. 36 degrees
c. 50 degrees
d. 44 degrees

Answers

2x-20 = x+8

x-20 =8

x = 28

28+8 =36

 angle B = 36 degrees

answer is b

What is the equation of a line that is parallel to −x+3y=6 and passes through the point (3, 5) ?

Answers

3y=6+x
y=(6+x)/3
y=2+x/3
y=mx+b
y=x/3+b
so m(slope) is 1/3
use the point (3, 5), sub this for x and y
5=3/3+b
5-1=b
b=4
therefore, y=x/3+4
or y=(1/3)x+4 (you can write it like this as well)

At a bicycle store, there were a bunch of bicycles and tricycles. if there were 32 seats and 69 wheels, how many bicycles and how many tricycles were there?

Answers

you have to find a divisible number by the subtracted amount of seats left

60wheels/29 seats doesn't equal a whole number

your most likely confused what im talking about so lets break it down a tricycle has three wheels one seat so three tricycles have 9 wheels 3 seats 69 - 9 = 60
32 - 3 = 29  60/29

but 48/24 = 2 so the do some critical thinking

24 bicycles 69 wheels 24 bicycles have 48 wheels 69 - 48 = 21
21/3 = 7

so now we know we have 24 bicycles and 7 tricycles

By setting up a system of equations and solving for the number of bicycles (B) and tricycles (T) based on the total seats and wheels, we can determine there are 27 bicycles and 5 tricycles.

To determine the number of bicycles and tricycles in the bicycle store given that there are 32 seats and 69 wheels, we can set up a system of equations. Let's let B represent the number of bicycles and T represent the number of tricycles. Since bicycles have 2 wheels and tricycles have 3 wheels, we can express the total number of wheels as:

2B + 3T = 69

Each bicycle and tricycle has one seat, so we can also express the total number of seats as:

B + T = 32

To solve this system, we can multiply the second equation by 2 and subtract it from the first equation to eliminate B:

(2B + 3T) - (2(B + T)) = 69 - 64

2B + 3T - 2B - 2T = 69 - 64

T = 5

Now we substitute T into the second equation:

B + 5 = 32

B = 32 - 5

B = 27

So, there are 27 bicycles and 5 tricycles in the bicycle store.

65% of what number is 143

Answers

x * .65 = 143
Divide both sides by .65.
x = 220

143 is 65% of 220.
the answer is 220
equation: 143=0.65x
divide both sides by 0.65 to isolate x
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