If sin theta= 3/4and angle A is in Quadrant I, what is the exact value of tan 2theta in
simplest radical form?

Answers

Answer 1

Answer:

-6[tex]\sqrt{7}[/tex] /434

Step-by-step explanation:


Related Questions

Amanda has 2/3 apples. Make an equation to find how many 2/3 can go into 6.

Answers

Answer:

6 apples.

How I solved it:

2/3+ 2/3+ 2/3+ 2/3+ 2/3+ 2/3+ 2/3+ 2/3+ 2/3=

18/3

18/3=6

3/3=1

6/1= 6 apples.

answer this question correctly and i'll give u brainliest pls

Answers

Answer:

Corresponding angles

Step-by-step explanation:

They have the same relative position to the parallel lines (in blue)

It’s A, corresponding.

Fred and Winnie O'Callahan have put themselveson a very strict budget. Their goal at the end of the year is to buy a car for $14,200 in
cash. Their budget includes the following per dollar:
0.50 Food and lodging
0.30 entertainment
0.15 educational
Fred earns $2,170 per month and Winnie earns $2,570 per month. After 1 year will Fred and Winnie have enough cash to buy the car?

Yes or no

Answers

Answer:

No

Step-by-step explanation:

I'm not 100% sure that this was the question but I hope so

2170+2570=$4740 per month

4740*12=$56880 per year

Food: 56880*0.5=$28440

Entertainment: 56880*0.3=$17064

Educational: 56880*0.15=$8532

28440+17064+8532=$54036

56880-54036=$2844

Or a quicker method: 1-0.5-0.3-0.15=0.05

0.05*56880=$2844

PLEASE HELP ILL MARK BRAINLIEST

Answers

Answer:

top is 13 gallons left

bottom is 7.8 gallons left

Step-by-step explanation:

30=1 gallon

90= 3 gallons

246/30= 8.2

8.2*1=8.2

16-8.2=7.8

Which of the following should be included in the cost of land?
OA. cost of installing fences
B. cost of installing signage
OC. cost to clear the land of old buildings
OD. cost to build sidewalks on the land

Answers

The cost that should be included in the cost of land is C. cost to clear the land of old buildings.

What is the  cost of land ?

The  cost of land can be described as the cost of all the items as well as the cost of the labor that is been used in making the land to be available for the erection of the building on it, it should be noted that this cost will include the cost that is required to clear the land as well as well as the cost of those that supervise the clearing activities.

In this case we can come into conclusion that  cost that should be included in the cost of land is C. cost to clear the land of old buildings.

Therefore, option C is correct.

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Which statement accurately describes the reactants of a reaction?

new substances that are present at the end of a reaction

substances that do not participate in a reaction

new substances formed in the reaction

substances that are used up in a reaction

Answers

Answer:

substances that are used up in a reaction

Step-by-step explanation:

sorry this is so late

Answer:

substances that are used up in a reaction

Step-by-step explanation:

took the test got 100%

Kapow liquid detergent was on sale for $4.59 a gallon. If the sale price was 85% of the regular price, how much does one gallon of Kapow liquid detergent regularly cost?

(A)$5.28

(B)$5.40

(C)$6.09

(D)$8.49​

Answers

B because if you take 5.40 and multiply it by .85 it equals 4.59

Stacy earned $129.55 last week. Dave earned $127.95 last week. Carlos earned $127.05
last week. What are the earnings written in order from least to greatest?

Answers

Answer:

The total earnings is $384.55

The least earnings is

$127.05

$127.95

$129.55

how do you solve this equation step-by-step? (below)


4a + 8 - 2a - 3 = 45

Answers

Answer:

a=20

Step-by-step explanation:

Answer:

Step-by-step explanation:

4a-2a+8-3=45

2a+5=45

2a+5-5=45-5

2a/2=40/2

a=20

Nia and Junior went to the movies. The tickets are $3.00 each. Nia bought popcorn and a slushy for $8.50 together. Junior bought a slushy and nachos $12.00 together. How much money did they spend total?

Answers

Answer:

$26.50

Step-by-step explanation:

2(3)=6

8.50 + 12.00+ 6= 26.50

[tex] \sf \int_0^ \frac{1}{2} \frac{ ln {}^{2} (1 - x) }{x} \: dx \\ [/tex]​

Answers

Substitute [tex]x=1-y[/tex] and [tex]dx=-dy[/tex].

[tex]\displaystyle \int_0^{1/2} \frac{\ln^2(1-x)}x \, dx = \int_{1/2}^1 \frac{\ln^2(y)}{1-y} \, dy[/tex]

Since [tex]|y|<1[/tex], we can expand into a power series and interchange the integral with the sum.

[tex]\displaystyle \int_{1/2}^1 \frac{\ln^2(y)}{1-y} \, dy = \int_{1/2}^1 \ln^2(y) \sum_{n=0}^\infty y^n \, dy \\\\ ~~~~~~~~~~~~~~~~~~~ = \sum_{n=0}^\infty \int_{1/2}^1 y^n \ln^2(y) \, dy[/tex]

Let

[tex]\displaystyle I_n = \int_{1/2}^1 y^n \ln^2(y) \, dy[/tex]

Integrate by parts with

[tex]u=\ln^2(y) \implies du = \dfrac{2\ln(y)}y \, dy[/tex]

[tex]dv = y^n\,dy \implies v = \dfrac{y^{n+1}}{n+1}[/tex]

[tex]\implies \displaystyle I_n = -\frac{\left(\frac12\right)^{n+1} \ln^2\left(\frac12\right)}{n+1} - \frac2{n+1} \int_{1/2}^1 y^n \ln(y) \, dy[/tex]

Integrate by parts again, now with

[tex]u = \ln(y) \implies du = \dfrac{dy}y[/tex]

[tex]dv = y^n \, dy \implies v = \dfrac{y^{n+1}}{n+1}[/tex]

[tex]\implies \displaystyle I_n = -\frac{\ln^2(2)}{2^{n+1}(n+1)} - \frac2{n+1} \left(-\frac{\left(\frac12\right)^{n+1}\ln\left(\frac12\right)}{n+1} - \frac1{n+1} \int_{1/2}^1 y^n \, dy\right) \\\\ ~~~~~~~~~~~ = \frac2{(n+1)^3} - \frac{\ln^2(2)}{2^{n+1}(n+1)} - \frac{\ln(2)}{2^n (n+1)^2} - \frac1{2^n (n+1)^3}[/tex]

Taking the sum over all [tex]n[/tex] gives

[tex]\displaystyle \int_0^{1/2} \frac{\ln^2(1-x)}x \, dx = \sum_{n=0}^\infty I_n \\\\ ~~~~~~~~ = \sum_{n=0}^\infty \left(\frac2{(n+1)^3} - \frac{\ln^2(2)}{2^{n+1}(n+1)} - \frac{\ln(2)}{2^n (n+1)^2} - \frac1{2^n (n+1)^3}\right) \\\\ ~~~~~~~~ = 2 \sum_{n=1}^\infty \frac1{n^3} - \ln^2(2) \sum_{n=1}^\infty \frac1{2^n n}-2\ln(2)\sum_{n=1}^\infty \frac1{2^n n^2}- 2 \sum_{n=1}^\infty \frac1{2^n n^3}[/tex]

Now recall the definition of the so-called polylogarithm function, given by

[tex]\displaystyle \mathrm{Li}_\nu(z) = \sum_{n=1}^\infty \frac{z^n}{n^\nu}[/tex]

which immediately gives us a "closed" form for the integral of

[tex]\displaystyle \int_0^{1/2} \frac{\ln^2(1-x)}x \, dx \\\\ ~~~~~~~~ = 2\,\mathrm{Li}_0(1) - \ln^2(2)\,\mathrm{Li}_1\left(\frac12\right) - 2\ln(2)\,\mathrm{Li}_2\left(\frac12\right) - 2\,\mathrm{Li}_3\left(\frac12\right)[/tex]

But we can do better. The first sum is [tex]2\zeta(3)[/tex] (by definition of Riemann zeta) and the second is [tex]\ln^2(2)\cdot\ln(2)=\ln^3(2)[/tex] (using the series expansion of [tex]\ln(1+x)[/tex]). The other two polylogs have exact values of

[tex]\displaystyle \mathrm{Li}_2\left(\frac12\right) = \frac{\pi^2}{12} - \frac12 \ln^2(2) \\\\ \mathrm{Li}_3\left(\frac12\right) = \frac{\ln^3(2)}6 - \frac{\pi^2}{12} \ln(2) + \frac78 \zeta(3)[/tex]

(according to what I found when searching "polylogarithm at half integers"). Putting all the results together, we end up with

[tex]\displaystyle \int_0^{1/2} \frac{\ln^2(1-x)}x \, dx = \boxed{\frac{\ln^3(2)}3 + \frac74 \zeta(3)}[/tex]

For a function to have an inverse, it must be _____. To define the inverse sine function, we restrict the _____ of the sine function to the interval _____.

Answers

For a function to have an inverse, it must be one-to-one_. To define the inverse sine function, we restrict the domain of the sine function to the interval [-pi, pi].

When a function can be invertible?

Two functions f(x) and g(x) are inverses if:

f(x) = y

g(y) = x

This means that the two functions need to be one-to-one, because if there are two values of x such that:

f(x₁) = y = f(x₂)

f(x) can't have an inverse because g(y) would give two different outputs, and then g(x) is not a function.

For the case of the sine (and all periodic functions) we restrict to the region where the function is one to one, which can be any interval of 2 pi radians (the common example is the interval [-pi, pi])

Then:

For a function to have an inverse, it must be one-to-one_. To define the inverse sine function, we restrict the domain of the sine function to the interval [-pi, pi].

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Ravi owns a plot of rectangular shape. He has fenced it with a length of 750ft. Length x= the breath by 5m find l and b

Answers

Rajesh own a plot of rectangular shape he has fenced it with a wire of length 750 ft . the length of the plot exceeds the breadth by 5ft.

The length of his plot is 190ft and breadth is 185ft.

Given that

Ravi owns a plot of rectangular shape. He has fenced it with a length of 750ft.The length of the plot exceeds the breadth by 5ft.

To find

The length and breadth of the plot ?

So, according to the question

We have,

The length of fenced wire is 750ft.

Let's assume

Breadth of plot = x.Length of plot = l.Length of fenced wire = W

He fenced this plot with a wire. So we can say this wire length is a perimeter of this plot of rectangular shape.

In mathematical form

           2 (length + breadth) = length of fenced wire

                               2 ( l + x) = W -------------------(1)

From question

the length of the plot = breadth + 5ft.

                                          l = x +5 ------------------(2)

Now, putting the value of equation (2) and W in equation (1)

Then, we get

                               2 ( l + x) = W -------------------(1)

                      2 [( x + 5) + x] = 750

                        2 [ x + 5 + x] = 750/2

                               [ 2x + 5] = 375

                                        2x = 375-5

                                        2x = 370

                                          x = 370/2

                                          x = 185ft

Now, putting the value of x in equation (2)

Then, we get

                                          l = x +5 ------------------(2)

                                          l = 185 +5

                                          l = 190ft

Length of this rectangular shaped plot = 190ft, andBreadth of this rectangular shaped plot = 185ft.

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A group of adults and students buy tickets for a dance performance.

*Each ticket costs $5.35
*The total cost of the tickets for the group is $69.55
*There are exactly 3 adults in the group.

What is the number of students in the group?

Explain your steps on how you solved this problem.

Answers

Answer:

There are 10 students

Step-by-step explanation:

69.55-(5.35*3)= 53.5

53.5/10=5.35 which is what each ticket costed

So the answer is 10 students

Sean bought 3/7 of a pound of cherries and then he ate 1/4 of a pound of them. When he got home, he saw that he still had 2/3 of a pound of cherries in his cupboard. How many total pounds of cherries does he have? Give your answer as an exact simplified improper fraction, not as a mixed number. Do not include units.

Answers

Answer:

71 /84

answer is not in imporper fraction.

Step-by-step explanation:

fractions need to be changed or converted to equivalent fractions inorder to solve them.

1.Total amount of cherries he bought and he already had in cupboard= 3/7 + 2/3

convert them to equivalent fractions inorder to add them by using LCM of the denominators.Which in this case is 21 (LCM of 7 and 3 is 21)

2. Now the common denominator is 21

change 3/7 to a fraction with 21 as denominator by multiplying the numerator to 3 and denominator also by 3 which will give you 3×3=9/ 7×3=21 or 9/21

note: you have to multiply both numerator and denominator by the same number which is used to convert the denominator to the number given by LCM.

3)Now change the second fractions denominator to 21 by multiplying the denominator 3 by 7 and numerator 2 to 7 :

2×7/3×7 = 14/21

4) Now the fractions have same denominator which means they can be added or subtracted.

5) Total amount of cherries he had= 9/21+14/21 = 23/21

6) The amount of cherries he ate = 1/4

7) Amount of cherries he has now with him after he ate 1/4 from 23/21 = 23/21 - 1/4

8) Again the fractions need to be changed to equivalent fractions inorder to subtract them.So,Take the LCM of the denominators (LCM 21 and 4 is 84).Now change the denominator of each fraction to 84.

9) 23/21 becomes 23× 4/21×4 = 92/84

1/4 becomes 1×21/4×21 = 21/84

now subtract them

92/84 - 21/84 = 71/84

71/84 cannot be properly divided so, 71/84 is the answer.

He has 71/84 pounds of cherries with him.

please, someone, tell me the answer

Answers

Answers:

Row 1:      1    3  

Row 2:     2    2

Each single digit gets its own box.

=======================================

Explanation:

Each row of three values must multiply to 12. We see that happening with the first two cuboids.

Cuboid A:  1*1*12 = 12

Cuboid B: 1*2*6 = 12

-------------

For cuboid C, we have two blank spaces multiplied with 4. Let's call these blank spaces x and y. We want to solve the equation x*y*4 = 12.

Divide both sides by 4 and you'll get x*y = 3

Since x and y are positive integers, this must mean either

x = 1 and y = 3

or

x = 3 and y = 1

Those are the only ways to multiply to 3 with two integers. But we can rule out the second case because the instructions say "Put the answers in order of size from left to right". Basically your teacher wants them sorted from smallest to largest. Refer to cuboid B for an example of what I mean.

So this means we have the values: 1, 3, 4 for cuboid C

---------------

Cuboid D is a similar story

Let x and y be the blank spaces. We can see that x*y*3 = 12 which becomes x*y = 4 after dividing both sides by 3.

This time we have three ways to do this and they are

x = 1 and y = 4x = 2 and y = 2x = 4 and y = 1

We can immediately rule out x = 4 and y = 1 because we need the answers sorted from smallest to largest.

We can also rule out x = 1 and y = 4 because the sequence 1,4,3 is not fully sorted from smallest to largest. Note how this is effectively a repeat of cuboid C (just in a different order).

The only thing left is x = 2 and y = 2

For cuboid D we have these dimensions: 2, 2, 3

Toni decided to build a rectangular concrete patio 6 feet wide all around her pool.
See diagram below. What is the area of the concrete patio?
1
6ft
6ft
10ft
32ft

Answers

Answer:

648

Step-by-step explanation:

The pressure, P (in lbs/ft2 ), in a pipe varies over time. Five times an hour, the pressure oscillates from a low of 90 to a high of 230 and then back to a low 90. The pressure at t = 0 is 90.

Question: Find a possible formula for P=f(t)

Answers

P=160-70*cos(2π*(1/12)*t)

Pressure in mathematics or physics is defined as force per unit area. The pressure exerted by a solid object which is resting on top of a solid surface is the weight divided by the area of the object . SI unit of force is Newton (N).

First, we find the amplitude by taking the difference between the peak values and dividing by two:

Amplitude=(230+90)/2=70

We can find the center value by either adding 70 to the minimum or subtracting 70 from the maximum:

90+70=160

230-70=160

This tells us that the Center Value=160

The frequency that we are operating at is given as:

f = 5/hour

so in minutes

f=5*(1/60)/minute=5/60=1/12 per minute

So, combining everything we get

P=160-70*cos(2π*(1/12)*t)

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Can someone help me with this question? It's due tomorrow :(

Answers

Answer(s): Reading your answers from top left, top right, bottom left, bottom right;

Circle A: 110, 70, 70, 110

Circle B: 127, 53, 53, 127

Step-by-step explanation:

Each circle will add up to 360 degrees.

Both acute and obtuse angles are congruent (the same or identical).

If you have an acute angle of 70 for circle 'A', your other acute angle is 70 as well since they are congruent.

Your other two angles will have to equal 220 because you already have 140 degrees and your circle needs to equal 360 degrees. Both of your unknown angles are identical, so divide 220 by 2 to get 110 for both your obtuse angles.

Do the same for your second circle.

Multiply 53 by two to get 106, then subtract 360 by 106 to get 254.

Divide 254 by 2 to get 127 for both of your obtuse angles.

I hope I managed to help. If not, DM me.

What is: -7/8 - 4 4/5

Answers

Answer:-5.675

Step-by-step explanation:

Answer:

The answer is -227/40 or -5 27/40

Step-by-step explanation:

Easiest way to explain this is to first get the common denominator of the denominators of 5 and 8

This will equal 40 and we have to multiply the numerators as well so this will look like....

-35/40 - 4 32/40

Now we need to convert the whole number in -4 32/40 into a fraction

4 multiplied by 40 is 160 so we will need to add 160 and 32 making the equation now say -35/40 -192/40 which will equal -227/40

So this will make the answer -227/40 in fraction form and in a compound fraction it will be -5 27/40

PLEASE HELP MEEEEEEEEEEEEEEEEEEEEEE
There are 360 people in a movie theater. Of these people, 35% bought student tickets, and 45% bought adult tickets. The rest bought senior-citizen tickets. how many people bought senior tickets?

Answers

45+35=80

100-80=20

360×20/100

72 so the answer is this and the formula E=T×%/100

Use synthetic division to divide x³ + 3x² - 4x - 10 by x - 2
2
1
1
The quotient is:
The remainder is: 2
2
5
3
10
6
-4
>
>
Note: Enter only a number for the remainder, no fraction.
12
2
-10

Answers

The Quotient and remainder of the polynomial is  x² + x -6 and 2 respectively

Synthetic division method is one of the method used to divide the polynomial equations.

The polynomial equation given here is

x³ + 3x² - 4x - 10

We need to divide this polynomial equation with x - 2

Thus by dividing the polynomial x³ + 3x² - 4x - 10 with x - 2, we get

the quotient as x² + x -6 and

     Remainder as 2

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Plz help me with this?!?! I will mark you brainliest!!!

Answers

Answer: 2/5 liters

Step-by-step explanation: This is because you need to add 1/10 and 3/10. The answer is 4/10, which can be simplified to 2/5.

A project consists of three tasks: A, B, and C. Task A is known to take five days for sure. Tasks B and C are each dependent on A. B takes five days. C takes seven days with a probability of 0.5 and three days with a probability of 0.5. What is the expected completion time of the project

Answers

Answer:

The expected completion time of the project is:

10 days.

Step-by-step explanation:

Duration of Task A = 5 days

Task B and C depend on Task A

This implies that Task A must be completed before Task B and C can be started.

To complete Task B will take 5 days

To complete Task C will take 5 days (7 * 0.5) + (3 * 0.5)

Since Task A takes 5 days and Tasks B and C depend on Task A and Task B takes 5 days and Task C takes expected time of 5 days, it means that the project can be completed in 10 days (5 + 5) if tasks B and C are simultaneously carried out.

The expected completion time of the project is

(i)10 days if B&C are mutually independent

(ii)15 days if B &C are mutually dependent

What is the expected completion time of a task?

Expected completion time of a task= p1x1 + p2x2

Where

p1 & p2 are probabilities.

x1 and x2 are samples.

p1=p2=0.5

x1=7

x2=3

Expected completion time of task C= 0.5*7+0.5*3 = 5 days

Task B and C will be due till task A is not accomplished.

Total time to accomplish task A = 5 days

Total time  to accomplish task B= 5 days

Expected time to accomplish task C = 5 days

If tasks B and C are mutually independent

expected time to complete the project = 5+5=10days

If task C depends on task B

Expected time to complete the project = 5+5+5 = 15 days.

Therefore

The expected completion time of the project is

(i)10 days if B&C are mutually independent

(ii)15 days if B and C are mutually dependent

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which table represents the statement "di runs at a rate of 4 meters per second"

Answers

Answer:

can you show us the table please.

Step-by-step explanation:

Answer: The third one Edg 2020

Step-by-step explanation:

i will give brainlest

Answers

Answer:

b

Step-by-step explanation:

Simplify 2x + 3y + 8x + 7y answer asap

Answers

Answer:

10x+10y

Step-by-step explanation:

Add like terms.

please help me!! due in 15 mins

Answers

7 hours I believe that’s the answer

can someone help me with this

Answers

m(D,x) = kD^2/√x

k = constant

k = (m√x) / D^2 = 20√16 / 5^2 ≅ 3.2

m(D,x) = 3.2 D^2 / √x

8. A skateboard ramp is 5ft tall and is 12ft from the base of the ramp to the end. What is the length from the top of the ramp to the end?

Answers

Answer:

3500

Step-by-step explanation:

I got it right

Other Questions
Put the following equation of a line into slope-intercept form, Simpliying anfractions.4x+4y =4 Read the passage. Then answer the questions that follow.Langston is a college-bound high school senior in Georgia with a big decision to make. He has been accepted to both a small college in the town where he lives and a large state university on the other side of Georgia. Both schools offer the bachelor's degree in logistics that he wants. The large state university has offered him a generous financial aid package that brings his tuition and feesdown to only $2,000 per year, but it is 250 miles from home. Housing at the university would cost $4,000 per year. He might be able to find work at a restaurant or store in the city around the university to help pay for his housing. The smaller college in his own town would cost him $4,000 tuition and fees peryear after a small amount of financial aid, but he could live at home with his parents for free. His mom could also get him a part-time job at the small logistics company where she works. And of course he could do his laundry at home andeat with family. If Langston chooses to attend the small college in his town, what should beconsidered part of the opportunity cost of this decision?A. the bachelor's degree in logistics he would earn after four yearsB.the expensive housing fees he would have to pay to live at the large universityC.the expense of traveling to and from his home during holiday breaksD.the independent living skills be would learn living away from home most of the year In a matrilineal society _______________ are more important. NEED HELPPP!!!! 20 POINTS WILL BE GIVEN.. Simplify each fraction figure I will mark brainliest !! Right triangle PQR is shown on the graph below. If the point (x, 7) lies on the line that goes through side of the trianglethen what should be the value of x? A. -2B. 5 C. -3D. 3 6. The Age of Reason was applied to ALL of these except? a. Science b. Literature C. Food d. Government whats the first steps on solving x2+11x+28=0 A dozen water bottles cost $5.88. How much would it cost to purchase 36 bottles of water? GIVING BRAINLIEST AND EXTRA POINTS PLZ HELP ASAP !!!!!!!!!!!!!!!!!!!! -6-(-4) as an addition problem The local water supply has a leak, it is losing 4 gallons of water every second.After 15 seconds, the water level is at 1024 gallons. Write an equation torepresent the situation: * Prove that the measure of angle JKL is 90 degrees. Total internal reflection at the air liquid surface is observed for an unknown liquid when the angle of incidence is 43 degrees. What is the index of refraction of this unknown liquid? a. 0.68 b. 1.0 c. 1.47 d. 1.59 How did Columbus's voyage to the Americas extinguish the Tainos???Please help Ill give brainliest ABC and JLK have two sets of congruent angles. Are these triangles congruent or not? How do you know? Amanda found a job that pays $450 per week. She must pay a fee to the employment agency of 15% of her first three weeks pay. How much does she need to pay the employment agency? Raul received a score of 80 on a history test for which the class mean was 70 with standard deviation 10. He received a score of 75 on a biology test for which the class mean was 70 with standard deviation 2.5. On which test did he do better relative to the rest of the class? A(n) is an internal corporate network built using Internet and World Wide Web standards and products. What are Pros and cons of strict constructionism