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Kiki

Questions (232)

X^4+9x^3+9x^2= -81xIs it 0,-9,-3, and 3
1. 1 answer
2. 375 views
5x^4=5xCan you please help
1. 4 answers
2. 264 views
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?
1. 2 answers
2. 781 views
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
1. 1 answer
2. 566 views
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
1. 1 answer
2. 949 views
What is the sum of the arithmetic series where n=50 , t1=9 and t2=331
1. 1 answer
2. 834 views
What is the sum of the arithmetic series where n=100 , t1=7 and t2=205
1. 2 answers
2. 1,199 views
Find the 20th term of an arithmetic sequence with a=1 and d=1/2
1. 1 answer
2. 397 views
Find the 6th term of the arithmetic sequence with a9=120 and a14=195
1. 2 answers
2. 1,887 views
Write a quadratic equation whose roots are 5 + i radical 2 and 5 – i radical 2____ x^2 + _____ x+ ______=0
1. 3 answers
2. 3,223 views
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
1. 3 answers
2. 1,201 views
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
1. 2 answers
2. 1,924 views
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 ≤
1. 2 answers
2. 2,983 views
In ΔABC, a = 19, c = 10, and m∠A = 111. Which statement can be used to find the value of C?
1. 1 answer
2. 1,066 views
What is the total number of solutions for the equation 3 tan^2 A + tan A – 2 = 0 in the interval. 0 ≤ A ≤ π?
1. 1 answer
2. 1,533 views
If the period of a cosine function is 1/3 what is the frequency of the function?
1. 2 answers
2. 2,828 views
The number of values in the interval –π ≤ x ≤ π that satisfy the equation sin x = 2 cos x is1 2 3 4 0
1. 1 answer
2. 688 views
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
1. 1 answer
2. 702 views
If f(x) = 2/x+3 and g(x) = 1/x then (g ° f)(x) is equal to
1. 1 answer
2. 375 views
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
1. 3 answers
2. 4,249 views
The endpoints of a diameter of a circle are (3, 4) and (7, –2). What is an equation of the circle?
1. 1 answer
2. 525 views
tan(4x − 4)° = cot(3x + 10)°
1. 1 answer
2. 702 views
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
1. 7 answers
2. 1,978 views
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
1. 3 answers
2. 742 views
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
1. 4 answers
2. 1,041 views
The expression log 4 radical a^2/b is equivalent toPlease help. Thank you
1. 1 answer
2. 959 views
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
1. 3 answers
2. 1,251 views
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.
1. 4 answers
2. 2,341 views
Use a graphical method to find a solution to the following system of equations in the interval –1 ≤ x ≤ 5:y = x2 – 4x +
1. 3 answers
2. 591 views
Which of the following provides evidence that imperialism left a lasting impact on many colonial territories?A. Many African and
1. 5 answers
2. 792 views
Which of the following summarizes an effect of imperialism?A. Colonial markets were closed to manufactured goods from the
1. 2 answers
2. 1,607 views
The age of imperialism was marked byA. A decrease in the number of naval ships. B. The expansion of American political influence
1. 4 answers
2. 448 views
At STP 4 liters of O2 contains the same total number of molecules as1L of NH3 2L of Cl2 8L of He 4L of CO2
1. 3 answers
2. 3,369 views
At STP 4 liters of O2 contains the same total number of molecules as1L of NH3 2L of Cl2 8L of He 4L of CO2
1. 2 answers
2. 782 views
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
1. 2 answers
2. 525 views
2x^2+2x>4
1. 3 answers
2. 229 views
(x+1)(x-4) is greater than or equal to (x-2)^2
1. 1 answer
2. 326 views
When mn+m^2-30n^2 is divided by m-5n, what is the quotient. Thank you
1. 5 answers
2. 467 views
When is 15xy+9y^2+6x^2 divided by 2x+3y. Thank you
1. 1 answer
2. 327 views
If the coordinates of the center of a circle are (-3,1) and the radius is 4, what is an equation of the circle
1. 4 answers
2. 528 views
What is the slope of a line perpendicular to the line whose equation is y=2x+7
1. 1 answer
2. 446 views
The expression 2x(y-1)-7xy+2xPlease help thank you
1. 2 answers
2. 482 views
The expression 2x(y-1)-7xy+2xPlease help thank you
1. 3 answers
2. 973 views
x-2/3 + x-3/2Please help. Thank you
1. 2 answers
2. 256 views
Rod and reel inc. manufactures and sells fishing rods. The company uses the equation P= 25r - 12,500 to estimate its profit P on
1. 9 answers
2. 1,379 views
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
1. 1 answer
2. 928 views
There are 900 three-digit integers. The number of three-digit integers having at least one repeated digit is also a three-digit
1. 1 answer
2. 573 views
caculate 230 ml of 1.1 molarity HCl solution
1. 1 answer
2. 975 views
When constructing a cumulative histogram do you use the frequency or cumulative frequency
1. 1 answer
2. 385 views
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
1. 1 answer
2. 629 views
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
1. 4 answers
2. 809 views
The legs of a right triangle measure 17 and 26. Find the length of the hypotenuse. Please help
1. 6 answers
2. 428 views
Please someone answer one of kiki's questions. I need serious help
1. 0 answers
2. 283 views
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
1. 0 answers
2. 380 views
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
1. 0 answers
2. 357 views
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
1. 0 answers
2. 998 views
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
1. 0 answers
2. 356 views
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
1. 0 answers
2. 363 views
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
1. 1 answer
2. 400 views
Find 2 consecutive positive intergers such of the first and the square of the second is 19
1. 0 answers
2. 971 views
In the accompanying diagram, abcd is a rectangle with ab as a diameter of semicircle o. Diagonal bd is drawn in rectangle abcd.
1. 1 answer
2. 1,291 views
If 20% of a number is equal to 3x, then the number is. Please help thank you
1. 1 answer
2. 1,148 views
The diameter of an atom is 2.3 x 10^ -8 centimeters. How many atoms can fit in a space .003 centimeters long, without exceeding
1. 1 answer
2. 441 views
X+2 over 6 = 3 over x - 1 What is x
1. 1 answer
2. 305 views
Suppose f is a linear function such that f(1) = -1 and f(3)=2. Then f(4)=?
1. 1 answer
2. 349 views
when 3a squared minus 7a plus 6 is subtracted from 4 a squared minus 3a plus 4 is?please help
1. 1 answer
2. 427 views
please help meif x over 4 minus a over b is equal to 0 b is not equal to 0, then x equals what? thanks
1. 1 answer
2. 463 views
if x over 4 minus a over b is equal to 0b is not equal to 0, then x equals what? thanks
1. 3 answers
2. 747 views
please help meif x over 4 minus a over b is equal to 0 b is not equal to 0, then x equals what? thanks
1. 1 answer
2. 499 views
2 over x minus 3 is equal to 26 over xwhat is x? can u please help me
1. 1 answer
2. 731 views
can u please help me7r-(6r-5)= 7 thank u
1. 1 answer
2. 247 views
cn you please help mea problem states that the sum of two numbers is 27. The numbers can be represented by x and 27-x. Is it
1. 1 answer
2. 408 views
what is the difference between the two expressions below:-4squared (-4)squared can you please help, thank u
1. 2 answers
2. 839 views
Allison says that every interger is a counting number. is she correct and explainPlease help, thank u
1. 1 answer
2. 308 views
a hot air balloon leaves the ground to 170 feet. if it then climbs an additional 80 feet. How far above the ground is the
1. 1 answer
2. 498 views
a company is offering the US Government's 8.5% 2020 treasury bond for "150.266" . What is the price in dollars of the bond?
1. 1 answer
2. 488 views
AS a Naive allegory, "Everyman":
1. 1 answer
2. 400 views
Frank cut a pie into 10 equal slices. There are only 3slices left. What is the measure of the angle for the 3 slices that are
1. 1 answer
2. 396 views
Maria cut a pizza into 8 equal slices. She put a slice of pizza on 3 plates. What is the measure of the angle for the slices
1. 6 answers
2. 1,479 views
Substitute U = uV and P = (1/3)u into the equation (ðU/ðV)T = T(ðP/ðT)V – P to show that it leads to du/u=4(dT/T). *NOTE:
1. 0 answers
2. 287 views
What are the effects of type of processing and channel of presentation on recall of words? HELP!!!!!!!!!!!
1. 1 answer
2. 401 views
Identify three key strategies to ensure you will choose words correctly in the future to improve your writing.
1. 1 answer
2. 375 views
Work is done when:a force is applied or an object OR a force causes an object to move
1. 1 answer
2. 411 views
Work is done whena force is applied or an object OR a force causes an object to move I think the second one.
1. 0 answers
2. 371 views
Does this make sense? Is there anything I should change to make it betetr, or sentences to add to it? Thank-you very much!Bonjou
1. 1 answer
2. 544 views
Make up a set of at least 12 numbers that have the following landmarks maximum 18 range 13 mode 7 and median 12
1. 1 answer
2. 950 views
after i got the citizenship ,how long will it take to get my wife parmanent residence,
1. 1 answer
2. 311 views
i have a permanent residence ,i want to apply for my wife,how long will it take?
1. 1 answer
2. 369 views
thank you for your help before---also,what can i react with BaO to get some noticable consequence---how can i show that what MgO
1. 1 answer
2. 403 views
Thank you for your help!I just had a question.. is BaO barium oxide a precipitate? or if I combine MgO with Ba(NO3), will I get
1. 1 answer
2. 573 views
Hithese are the posts from earlier---i just had a quetsion about your response: ""Apchemistry - DrBob222, Monday, April 26, 2010
1. 1 answer
2. 932 views
Thank you for your helpWhy is solid copper (I) nitrate a poor conductor? I know that CuNO3 is an ionic solid, so maybe (please
1. 3 answers
2. 768 views
How do you seprate a homogenous mixtre of 2 volatile liquids?
1. 4 answers
2. 411 views
What is the equation for HOCl dissolves in HOH?I don't get it...
1. 1 answer
2. 376 views
If you have CL2 + H2o ---> H+ + Cl- + HOCland you are given [HOCl] = 0.06 M and you have to find pH.... can you assume that
1. 3 answers
2. 853 views
If you have CL2 + H2o ---> H+ + Cl- + HOCland you are given [HOCl] = 0.06 M and you have to find pH.... can you assume that
1. 2 answers
2. 545 views
If you have CL2 + H2o ---> H+ + Cl- + HOCland you are given [HOCl] = 0.06 M and you have to find pH.... can you assume that
1. 2 answers
2. 526 views
HiIf I had 40 mL of 0.1 M HOBr and mixed that with 10 mL of 0.5 M Ca(OH)2 how would I go about calclating the pH? (i don't know
1. 2 answers
2. 431 views
HiWhat is the netionicequation for NaOBr disolving in watr? Thanks!
1. 4 answers
2. 2,085 views
HiPlease double check me: I had to state whether the process forms a voltaic or eletrolytic cell: YOu plug in your MP3 player to
1. 1 answer
2. 904 views

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