# Annika

Popular questions and responses by Annika
1. ## 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?

2. ## 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 x-y and d=2x+y-3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?

3. ## 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,

4. ## 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

5. ## Math

Find the 12th term of the arithmetic sequence 2, 6, 10, … .

6. ## 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.

7. ## Math

Solve and prove the identity (tan x+ cot (-x))/ (tan x - cot(-x))= 1-2cos^2(x)

8. ## 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?

9. ## 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.

10. ## 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?

11. ## 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.

12. ## Math

Solve for the 1st term of the arithmetic sequence whose 33rd term is -2p and whose 61st term is 26p.

13. ## 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?

14. ## 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?

15. ## Math

A car travels 168.75 km in 12.5 litres of petrol . Find the distance travelled by the car in 15 litres

16. ## 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

17. ## 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

18. ## 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

19. ## 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

20. ## Math

Why is zero not in the doamin of the logarithmic functions y= log3 x and y = log5 x?

21. ## 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

22. ## 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

23. ## 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.

24. ## 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

25. ## 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

26. ## Math

Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3.

27. ## Math

Solve for the 101st term of the sequence: 6-p, 4+p, 2+3p, 5p, … .

28. ## 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.

29. ## Science-Chemistry

List materials that are commonly found at home or in school that have: a. Different structures and exhibit different properties b. The same chemical make-up (composition) but with different structures, hence, different properties c. The same properties but

30. ## 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 make-up (composition) but with different structures, hence, different properties c. The same properties but

31. ## 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.

32. ## 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).

33. ## Math

What is the measure of the side of a cube if the volume is 27000cm3?

34. ## 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?

35. ## horoscopes

on which site can you find out about all the new horoscopes 2009?

36. ## 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

37. ## English

I have to write a concise precis of a short story that I read, consisting of 130 words. What is a 'precis'?

1. ## math

posted on July 24, 2019
2. ## Math

posted on October 18, 2018
3. ## Math

this is pif im ov cuz

posted on May 20, 2018
4. ## Language Arts

told ya

posted on October 6, 2015
5. ## 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
6. ## Language Arts

Ms.Sue no but I’m on it too

posted on October 6, 2015
7. ## Language Arts

I’m also on it too weird lol

posted on October 6, 2015
8. ## Language Arts

Okay thanks so I’m guessing 2. D? and 3. B?

posted on October 6, 2015
9. ## Science

posted on October 6, 2015
10. ## Science

Is 2. A and 5. C?

posted on October 6, 2015
11. ## Science

Are my answers right or wrong?

posted on October 6, 2015
12. ## Math

Why is it 3 and 4?

posted on February 8, 2015
13. ## Math

Thank you very much. I got it now.

posted on October 18, 2014
14. ## Math

Thank you so much Reiny. I clearly understood it.

posted on August 9, 2014
15. ## 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
16. ## Math

Thank you so very much

posted on July 8, 2014
17. ## Math

Okay. I think I get it. Thanks for the help.

posted on June 15, 2014
18. ## 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
19. ## Math

how do i solve B) though?

posted on May 15, 2011

lets do this

posted on November 12, 2008
21. ## english word

thankyou!!! but what about 'cinqued'?? cinqe is an old english word for 5, isn't it?

posted on May 21, 2008
22. ## 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