Friday

November 27, 2015
Total # Posts: 486

**Math**

X^4+9x^3+9x^2= -81x Is it 0,-9,-3, and 3
*June 3, 2014*

**Math**

Thank you
*June 3, 2014*

**Math**

Yes I have but how to you find them
*June 3, 2014*

**Math**

5x^4=5x Can you please help
*June 3, 2014*

**Trig**

What is the common ratio, r, for the sequence represented by the formula an = 3(2)^-n? 1/2 2 3 6 Is it 2?
*May 24, 2014*

**Trig**

Given sin θ = −1/2 and sec θ > 0, find the exact value of tan 2θ. Radical 3 Radical 3/2 Negative radical 3 Negative radical 3/2
*May 3, 2014*

**Trig**

Given sin x = 5/13 and 0 < x < pi/2 find the value of sin(π − x). 12/13 5/13 -12/13 -5/13
*May 3, 2014*

**Trig**

What is the sum of the arithmetic series where n=50 , t1=9 and t2=331
*April 29, 2014*

**Trig**

What is the sum of the arithmetic series where n=100 , t1=7 and t2=205
*April 29, 2014*

**Trig **

Find the 20th term of an arithmetic sequence with a=1 and d=1/2
*April 29, 2014*

**Trig**

Find the 6th term of the arithmetic sequence with a9=120 and a14=195
*April 29, 2014*

**Trig**

Write a quadratic equation whose roots are 5 + i radical 2 and 5 – i radical 2 ____ x^2 + _____ x+ ______=0
*April 26, 2014*

**Trig**

Thank you
*April 26, 2014*

**Trig**

If sec A =5/4 and A is an angle in Quadrant IV, find the value of cos A. A. -4/5 B.4/5 C.-5/4 Is it choice A
*April 26, 2014*

**trig**

thanks
*April 10, 2014*

**trig**

A and B are positive acute angles. if sin A=4/5 and cos B=8/17 find the value of tan (A-B) is the answer =43/100
*April 10, 2014*

**Trig**

If 0 ≤ x ≤ 2π, which equation is a line of symmetry for the graph of y = cos x? x = 0 x = 2π x = π y = 0
*March 30, 2014*

**Trig**

On the same set of axes, sketch and label the graphs of the equations y = cos 2x and y = –2 sin x in the interval 0 ≤ x ≤ 2π. How many values of x in the interval 0 ≤ x ≤ 2π satisfy the equation –2 sin x – cos 2x = 3? A.1 B.2 C....
*March 30, 2014*

**Trig**

In ΔABC, a = 19, c = 10, and m∠A = 111. Which statement can be used to find the value of C?
*March 29, 2014*

**Trig**

What is the total number of solutions for the equation 3 tan^2 A + tan A – 2 = 0 in the interval. 0 ≤ A ≤ π?
*March 29, 2014*

**Trig**

If the period of a cosine function is 1/3 what is the frequency of the function?
*March 29, 2014*

**Trig**

The number of values in the interval –π ≤ x ≤ π that satisfy the equation sin x = 2 cos x is 1 2 3 4 0
*March 23, 2014*

**Science 6th grade Earth's day and night ANSWERS**

Lets Ace this #Swag
*March 12, 2014*

**Math**

Which equation is equivalent to 3 ln 2 – ln 4 + 5 ln x = ln 3 + 2 ln 5? ln 2x5 = ln 75 ln (5x + 2) = ln 75 ln 2x5 = ln 13 ln (5x + 4) = ln 96
*February 16, 2014*

**Math**

If f(x) = 2/x+3 and g(x) = 1/x then (g ° f)(x) is equal to
*February 16, 2014*

**Math**

Which equation is equivalent to 3 ln 2 – ln 4 + 5 ln x = ln 3 + 2 ln 5? ln 2x5 = ln 75 ln (5x + 2) = ln 75 ln 2x5 = ln 13 ln (5x + 4) = ln 96
*February 16, 2014*

**Math**

The endpoints of a diameter of a circle are (3, 4) and (7, –2). What is an equation of the circle?
*February 16, 2014*

**Math**

tan(4x − 4)° = cot(3x + 10)°
*February 16, 2014*

**Math**

The parents of twin boys started a college fund when the boys were 5 years old. They decided to invest $6,000 into an account that compounds quarterly at a rate of 8.6% annually. If the parents do not invest any additional money into this fund, how much will each of the boys ...
*February 16, 2014*

**Math**

A car was purchased for $36,730. The following equation can be used to predict the value of the car based on it age, where t stands for the time in years: A = 36730(.82)t. If the car was purchased in March 2002, what will its value be in September 2009? Round your answer to ...
*February 16, 2014*

**Math**

A car was purchased for $36,730. The following equation can be used to predict the value of the car based on it age, where t stands for the time in years: A = 36730(.82)t. If the car was purchased in March 2002, what will its value be in September 2009? Round your answer to ...
*February 16, 2014*

**Math**

The expression log 4 radical a^2/b is equivalent to Please help. Thank you
*February 16, 2014*

**Algebra 2**

Which circle has the largest circumference? x2 + y2 = 8 (x – 3)2 + y2 = 10 (x + 3)2 + (y + 2)2 = 4 x2 + (y – 2)2 = radical 81
*February 13, 2014*

**Science**

Anonymous...?
*February 11, 2014*

**Grammer ~CHECK MY WORK PLEASE~**

yes great job
*February 6, 2014*

**Chemistry**

Thanks
*January 24, 2014*

**Chemistry**

The half-life of 131I is 8.021 days. What fraction of a sample of 131I remains after 24.063 days? 1/2 1/4 1/8 1/16 Please help. Thank you
*January 24, 2014*

**Trig**

I got choice 3 is that correct
*January 24, 2014*

**Trig**

Use a graphical method to find a solution to the following system of equations in the interval –1 ≤ x ≤ 5: y = x2 – 4x + 2 y = x + 2 The solution set to this system of equations in the interval –1 ≤ x ≤ 5 is {} {(2, 0)} {(0, 2), (5, 7...
*January 24, 2014*

**Science**

It's not Gravity and Distance it's "Gravity and Inertia" For those of you taking the test: 1. B and C 2.D 3.C 4.D %100 These answers are %100
*January 24, 2014*

**spanish**

What color is chocolate
*December 16, 2013*

**Global history**

Which of the following provides evidence that imperialism left a lasting impact on many colonial territories? A. Many African and Asian nations are based on former colonial boundaries. B. Many former colonies are still ruled by European governments C. Local languages are often...
*December 16, 2013*

**Global history **

Which of the following summarizes an effect of imperialism? A. Colonial markets were closed to manufactured goods from the colonizing power. B. Land was distributed equally among the main social classes. C. Colonial economies became devoted to manufacturing goods for the ...
*December 16, 2013*

**Global history**

Thank you
*December 16, 2013*

**Global history**

Can you please explain why it is b and not d
*December 16, 2013*

**Global history**

The age of imperialism was marked by A. A decrease in the number of naval ships. B. The expansion of American political influence C. An increase interest in the plight of day laborers D. The reduction of military intervention in other countries I think the answer is b or d. ...
*December 16, 2013*

**Can anyone help me with this?**

Yay! Thanks so Much Anonymous!!! ^^ 100%,100%,100% lalala-la! Arigato!!!!
*December 4, 2013*

**physics**

You do not need to find the difference. The second to last step is the answer.
*November 26, 2013*

**Science**

metamorphosis
*November 10, 2013*

**math**

the the mode is the most repeated number,the student had confused the mode and mean
*November 7, 2013*

**Chemistry **

At STP 4 liters of O2 contains the same total number of molecules as 1L of NH3 2L of Cl2 8L of He 4L of CO2
*November 2, 2013*

**Chemisty**

At STP 4 liters of O2 contains the same total number of molecules as 1L of NH3 2L of Cl2 8L of He 4L of CO2
*November 2, 2013*

**Chemistry**

Thank you
*October 27, 2013*

**Chemistry**

Two quantities A and B are directly proportional to each other. The value of A becomes 1/3 as much. What will happen to the value of B
*October 27, 2013*

**English - check my answer, please.**

includes an inappropriate use of a comma.
*October 21, 2013*

**English**

sentence fragment
*October 21, 2013*

**Trig**

2x^2+2x>4
*September 29, 2013*

**Trig**

(x+1)(x-4) is greater than or equal to (x-2)^2
*September 23, 2013*

**Math**

Thanks
*September 15, 2013*

**Math**

I don't understand. Then what is the final answer
*September 15, 2013*

**Math**

When mn+m^2-30n^2 is divided by m-5n, what is the quotient. Thank you
*September 15, 2013*

**Math**

When is 15xy+9y^2+6x^2 divided by 2x+3y. Thank you
*September 15, 2013*

**english**

write a sentence on each of the following.[your school premises],[a day at the beach],[the city hustle] and [your saturdays].
*September 10, 2013*

**language arts**

Add silent parterns to the folliwing to create new words. bo_,cli_
*September 7, 2013*

**Math**

Thank you
*September 7, 2013*

**Math**

Is it (x-3)^2 + (y-1)^2 =16
*September 7, 2013*

**Math**

If the coordinates of the center of a circle are (-3,1) and the radius is 4, what is an equation of the circle
*September 7, 2013*

**Math**

What is the slope of a line perpendicular to the line whose equation is y=2x+7
*September 7, 2013*

**Algebra **

The expression 2x(y-1)-7xy+2x Please help thank you
*September 7, 2013*

**Algebra**

-5xy
*September 7, 2013*

**Algebra **

The expression 2x(y-1)-7xy+2x Please help thank you
*September 7, 2013*

**Algebra**

Thank you
*September 6, 2013*

**Algebra **

x-2/3 + x-3/2 Please help. Thank you
*September 6, 2013*

**Algebra**

Thanks
*September 6, 2013*

**Algebra**

You're welcome and thank you
*September 6, 2013*

**Algebra**

I think you are suppose to add the 12,500 not subtract it.
*September 6, 2013*

**Algebra**

I got 5500 as the answer
*September 6, 2013*

**Algebra**

Rod and reel inc. manufactures and sells fishing rods. The company uses the equation P= 25r - 12,500 to estimate its profit P on the sale on the fishing rods. How many fishing rods were sold if the company made a profit of 125,000? Please help. Thank you
*September 6, 2013*

**Math**

The capital letter F can be formed by connecting the points (0,4),(5,4),(5,2),(2,2),(2,0),(4,0),(4,-2),(2,-2),(2,-7), and (0,-7), in this order. Determine the slope of the line that passes through the origin and divides the letter F into two regions of equal areas.
*August 23, 2013*

**Math**

There are 900 three-digit integers. The number of three-digit integers having at least one repeated digit is also a three-digit number. If that number is represented by abc where each letter is a digit compute a-b+c.
*August 23, 2013*

**physics**

A 2.0-m-tall basketball player is standing on the floor a distance d from the basket, as shown in the figure below. He shoots the ball at an angle of 40.0o above the horizontal with a speed of 10.67 m/s and makes the shot. The height of the basket is 3.05 m. What is d?
*July 29, 2013*

**chemistry**

caculate 230 ml of 1.1 molarity HCl solution
*July 5, 2013*

**math-probaility**

Thank you
*June 1, 2013*

**math-probaility**

I don't understand it says at least one lemon, how can there be none
*June 1, 2013*

**math-probaility**

Sal has a bag of hard candies: 3 are lemon and 2 are grape. He ate 2 of the candies while waiting for the bus, selecting them at random one after the another. What is the probability of at least one candy was lemon?
*June 1, 2013*

**Math**

When constructing a cumulative histogram do you use the frequency or cumulative frequency
*May 15, 2013*

**History HELP!**

Describe the chain of events for a wounded soldier during the civil war; how and where they would be transported, what would happen to them, etc. (provide details!!!!) I need help.
*May 6, 2013*

**math**

140
*April 30, 2013*

**Math**

There are 5 staircases going from thr first to the second floor in school. Find the total number of ways that Andrea can go from the first floor to the second and then return to the first. Thank you
*April 30, 2013*

**math**

a potato chip manufacturer has been accused of shortchanging their customers with 10 ouce of bags potato chips. a sample of 50 of that company's 10 ounce bags was take, and it was found that the average weight was 9.8 ounces with a standard deviation of 0.3 ounces.can we ...
*April 25, 2013*

**Math**

I'm in algebra not geometry that's why I don't know them
*February 25, 2013*

**Math**

What is sec 43
*February 25, 2013*

**Math**

A kite string makes a 43 degree with the ground. The string is staked to a point 104 meters from a point on the ground directly below the kite. Find to the nearest meter the length of the kite string.
*February 25, 2013*

**Math**

What will be the answer at the end after you square the numbers
*February 20, 2013*

**Math**

So what will be the answer. I am confused
*February 20, 2013*

**Math**

The legs of a right triangle measure 17 and 26. Find the length of the hypotenuse. Please help
*February 20, 2013*

**Math**

The 6
*February 20, 2013*

**math**

1 out of 6
*January 15, 2013*

**Math**

Please someone answer one of kiki's questions. I need serious help
*January 15, 2013*