Annika
Popular questions and responses by Annika
Math
A gardenervhas 100 meters of fencing to enclose two adjacent rectangular gardens. The gardener wants the enclosed area to be 400 sq meters. What dimensions should the gardener use to obtain this area?
asked on August 12, 2014 
Math
1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve for the 101st term of the sequence whose 1st term is xy and d=2x+y3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?
asked on June 15, 2014 
math  trig
Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean Theorem and find the following trigonometric functions of the indicated angle. Given: a = 4 and b = 7 Find: sin A,
asked on September 25, 2013 
Math
A rectangular prism has a volume of 960cm. It's width, length, and height are in the ratio 3:5:8. A) Determine the dimensions of the prism B) What is the ratio of the left side to the front to the top of the prism by surface area? C) Calculate the surface
asked on May 15, 2011 
Math
Find the 12th term of the arithmetic sequence 2, 6, 10, … .
asked on June 17, 2014 
Chemistry Help
For the reaction 2HI(g) H2(g) + I2(g), Kc = 0.0198 at 721K. What is the HI concentration at 721K if [H2] = 0.120 M and [I2] = 0.0150 M? I'm getting .303 M but that's not one of the options.
asked on November 14, 2017 
Math
Solve and prove the identity (tan x+ cot (x))/ (tan x  cot(x))= 12cos^2(x)
asked on January 28, 2017 
Math
A rectangle made of square tiles measures 8 tiles wide and 10 tiles long. What is the length in tiles of a similar rectangle 12 tiles wide?
asked on January 5, 2017 
Physics
1. Give 3 reasons why it is important to know the nature and properties of waves. 2. Aside from crossing the street, identify one scenario in practicing road safety and explain how it is realted to Doppler Effect.
asked on February 20, 2015 
Math
A rectangular lawn is 60meters by 80meters. A part of the lawn is torn out to install a pool, leaving a strip of lawn of uniform width around the pool. The area of the poolnis 1/6 of the old lawn area. How wide is the strip of lawn?
asked on August 12, 2014 
Math
Consider the general quadratic equation ax^2 + bx + c = 0, where a is not equal to 0. Solve for x by completing the square.
asked on July 7, 2014 
Math
Solve for the 1st term of the arithmetic sequence whose 33rd term is 2p and whose 61st term is 26p.
asked on June 15, 2014 
physics
Star Z has 1/5 the radius of Earth and 1000 times the Earth's mass. If a mass weighs 1.0 N on Earth, what does it weight on Star Z?
asked on January 25, 2011 
english word
If 'quartered' means the object has been divided into four, which word do we use for an object that's been divided into 5?
asked on May 18, 2008 
Math
A car travels 168.75 km in 12.5 litres of petrol . Find the distance travelled by the car in 15 litres
asked on February 9, 2017 
math
two joggers used a 2 km circular road for their training. if they start together from the same place and jog in opposite directions, they meet after 15 minutes. However, if they jog in the same direction at the end of one hour and 15 minutes, the faster
asked on December 5, 2015 
Science
1. A pea plant with yellow seeds is crossed with a pea plant with green seeds. All of the offspring have yellow seeds. The allele for yellow seeds is A. dominant because all of the offspring has yellow seeds** B. recessive because all of the offspring has
asked on October 6, 2015 
Math
Express the following as a logarithm and simplify. 1. log(3x^2 + 11x  20)  log(3x  4) 2. 1/6 log3 27 + log3 18  log3 2 3. log5 cube root of 625 4. 2loga x^3 + 3loga y + 4loga z  3logz w
asked on February 26, 2015 
Math
Express the following as a logarithm and simplify. 1. log(3x^2 + 11x  20)  log(3x  4) 2. 1/6 log3 27 + log3 18  log3 2 3. log5 cube root of 625 4. 2loga x^3 + 3loga y + 4loga z  3logz w
asked on February 25, 2015 
Math
Why is zero not in the doamin of the logarithmic functions y= log3 x and y = log5 x?
asked on February 24, 2015 
Math
If the graph is decreasing from left to right, which of the following equations may be represented by it. 1. y = 2^x + 1 2. y = 2^x + 1 3. y = 2^x – 1 4. y = 2^x + 1
asked on February 7, 2015 
Math
1. A gardener has 30 feet by 20 feet rectangular plot of ground. He wants to build a brick of walkway of uniform width on the border of the plot. If the gardener wants to have 400 square feet of ground left for planting, how wide should he build the
asked on August 11, 2014 
Math
1. The quadratic equation 3x^2 – x = 10 has two real solutions. (true or False) Justify your answer. 2. If (2x – 3) (x + 5) = 8, then either 2x – 3 = 8 or x + 5 = 8. (True or False) Justify your answer.
asked on August 8, 2014 
Physics
We have a projectile launched upward with an initial horizontal velocity of 20 m/s and an initial vertical velocity of 30 m/s. 1. What is the actual initial speed of the projectile? 2. What happens to the horizontal component of the velocity as the
asked on August 6, 2014 
Math
Encircle the error in the following "proof" that the two arbitrary numbers are equal to each other. Let a and b the arbitrary numbers such that a is not equal to b. Then, (a  b)^2 = a^2  2ab + b^2 = b^2  2ab + a^2 (a  b)^2 = (b  a)^2 a  b = b  a 2a
asked on July 7, 2014 
Math
Solve for the 101st term of the sequence whose 1st term is xy and d=2x+y3.
asked on June 17, 2014 
Math
Solve for the 101st term of the sequence: 6p, 4+p, 2+3p, 5p, … .
asked on June 15, 2014 
Math
Find one solution for each equation. 1. cos 4theta = sin theta 2. tan 4theta = cot (20^0 + 20) Write the function sin (B + 35^0) in terms of its cofunction.
asked on September 25, 2013 
ScienceChemistry
List materials that are commonly found at home or in school that have: a. Different structures and exhibit different properties b. The same chemical makeup (composition) but with different structures, hence, different properties c. The same properties but
asked on June 24, 2013 
Science  Chemistr++++++++++++++++++++++++++++++++
List materials that are commonly found at home or in school that have: a. Different structures and exhibit different properties b. The same chemical makeup (composition) but with different structures, hence, different properties c. The same properties but
asked on June 24, 2013 
science
The atomic mass of lithium is 6.94, the naturally occurring isotopes are 6Li = 6.015121 amu, and 7Li = 7.016003 amu. Determine the percent abundance of each isotope.
asked on June 11, 2013 
math  trig
1. Find csc A, cos A and tan A of an angle A whose terminal side contains (– 12, – 5). 2. Find sin X, sec X and cot X of an angle X whose terminal side contains (– 3, 5).
asked on June 11, 2013 
Math
What is the measure of the side of a cube if the volume is 27000cm3?
asked on May 6, 2013 
physics
Star Z has 1/5 the radius of Earth and 1000 times the Earth's mass. If a mass weighs 1.0 N on Earth, what does it weight on Star Z?
asked on January 25, 2011 
horoscopes
on which site can you find out about all the new horoscopes 2009?
asked on July 18, 2009 
english
I'm trying to study satire. I found this poem online Now if you take an orange And hold it in your hand, It isn't really there at all  Or so I understand. A sensationalist will prove to you That though you know it's there, It's only just sensations Of
asked on February 27, 2008 
English
I have to write a concise precis of a short story that I read, consisting of 130 words. What is a 'precis'?
asked on October 18, 2007

math
whats the answer??!!
posted on July 24, 2019 
Math
Your right Annika
posted on October 18, 2018 
Math
this is pif im ov cuz
posted on May 20, 2018 
Language Arts
told ya
posted on October 6, 2015 
Science
Ugh! I got 3/5 and my origional answers were RIGHT. I only trust bobpursley, Ms. Sue, and writeteacher from now on.
posted on October 6, 2015 
Language Arts
Ms.Sue no but I’m on it too
posted on October 6, 2015 
Language Arts
I’m also on it too weird lol
posted on October 6, 2015 
Language Arts
Okay thanks so I’m guessing 2. D? and 3. B?
posted on October 6, 2015 
Science
Please respond.
posted on October 6, 2015 
Science
Is 2. A and 5. C?
posted on October 6, 2015 
Science
Are my answers right or wrong?
posted on October 6, 2015 
Math
Why is it 3 and 4?
posted on February 8, 2015 
Math
Thank you very much. I got it now.
posted on October 18, 2014 
Math
Thank you so much Reiny. I clearly understood it.
posted on August 9, 2014 
Math
Hi Steve! So with your explanation, am I correct in saying that the error in the above given is (a  b)^2 = (b  a)^2?
posted on July 8, 2014 
Math
Thank you so very much
posted on July 8, 2014 
Math
Okay. I think I get it. Thanks for the help.
posted on June 15, 2014 
clothing and textile
the method of removing fullness is basically stiching a garment to suite the wearer's shape and style.there are four basic ways of removing fullness which are:PLEATS TUCKS DARTS GATHERING
posted on April 30, 2012 
Math
how do i solve B) though?
posted on May 15, 2011 
4th grade math
lets do this
posted on November 12, 2008 
english word
thankyou!!! but what about 'cinqued'?? cinqe is an old english word for 5, isn't it?
posted on May 21, 2008 
english
oh i have one last doubt!!! The words Oreb and Sinai are biblical places. I don't know how to pronounce them... which syllables are stressed? is it OReb and SInai or oREB and siNAI???
posted on February 28, 2008