Saturday
April 19, 2014

Posts by kiki


Total # Posts: 365

trig
thanks

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

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

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....

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

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?

Trig
If the period of a cosine function is 1/3 what is the frequency of the function?

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

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

Math
If f(x) = 2/x+3 and g(x) = 1/x then (g ° f)(x) is equal to

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

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

Math
tan(4x − 4)° = cot(3x + 10)°

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 h...

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 th...

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 th...

Math
The expression log 4 radical a^2/b is equivalent to Please help. Thank you

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

Chemistry
Thanks

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

Trig
I got choice 3 is that correct

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)} {...

spanish
What color is chocolate

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...

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 colon...

Global history
Thank you

Global history
Can you please explain why it is b and not d

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. Ca...

Science
metamorphosis

math
the the mode is the most repeated number,the student had confused the mode and mean

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

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

Chemistry
Thank you

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

Trig
2x^2+2x>4

Trig
(x+1)(x-4) is greater than or equal to (x-2)^2

Math
Thanks

Math
I don't understand. Then what is the final answer

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

Math
When is 15xy+9y^2+6x^2 divided by 2x+3y. Thank you

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

language arts
Add silent parterns to the folliwing to create new words. bo_,cli_

Math
Thank you

Math
Thank you

Math
Is it (x-3)^2 + (y-1)^2 =16

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

Math
What is the slope of a line perpendicular to the line whose equation is y=2x+7

Algebra
The expression 2x(y-1)-7xy+2x Please help thank you

Algebra
-5xy

Algebra
The expression 2x(y-1)-7xy+2x Please help thank you

Algebra
Thank you

Algebra
x-2/3 + x-3/2 Please help. Thank you

Algebra
Thanks

Algebra
You're welcome and thank you

Algebra
I think you are suppose to add the 12,500 not subtract it.

Algebra
I got 5500 as the answer

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

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.

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.

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?

chemistry
caculate 230 ml of 1.1 molarity HCl solution

math-probaility
Thank you

math-probaility
I don't understand it says at least one lemon, how can there be none

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?

Math
When constructing a cumulative histogram do you use the frequency or cumulative frequency

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.

math
140

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

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 c...

Math
I'm in algebra not geometry that's why I don't know them

Math
What is sec 43

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.

Math
965

Math
What will be the answer at the end after you square the numbers

Math
So what will be the answer. I am confused

Math
The legs of a right triangle measure 17 and 26. Find the length of the hypotenuse. Please help

Math
The 6

math
1 out of 6

Math
Please someone answer one of kiki's questions. I need serious help

English
Right

English
All right

math
8 And 3/5

math
8 and 3/5

math
It's -1

Outline
Ur welcome

Outline
No a space does not go you ident each time a little further as you go on

Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

Math
Find 2 consecutive positive intergers such of the first and the square of the second is 19

health
please help

health
What supplement has been known to reduce symptoms of aggression and depression in patients, especially women with borderline personality disorder? A. Omega-3 fatty acids B. Vitamin K C. Folic acid D. Biotin

Math
In the accompanying diagram, abcd is a rectangle with ab as a diameter of semicircle o. Diagonal bd is drawn in rectangle abcd. The length of bd exceeds the length of ab by 1, and ad=5. Please help thank you

Math
If 20% of a number is equal to 3x, then the number is. Please help thank you

Math
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 it? Please help, thank you

Math
X+2 over 6 = 3 over x - 1 What is x

History
I think its first successful hot air balloon flight

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