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Veronica
Questions (281)
Which of the following are trigonometric identities, I have narrowed it down to two -
(cscx + cotx)^2 = 1 OR sin^2(x)sec^2(x) + 1
1 answer
900 views
Having trouble with true/false questions in Trigonometry. They read as follows -
True or False: For a trigonometric function,
1 answer
1,349 views
Having trouble with true/false questions in Trigonometry. They read as follows -
True or False: For a trigonometric function,
1 answer
3,465 views
Okay, I have been given a trigonometric equation to solve (sin^2(theta) + cos(theta) = 2). So far, I have been able to use the
1 answer
713 views
While walking along the beach John gives off 120 kj of heat andn his internal energy decreases by 260 kj. How much work is done
0 answers
1,011 views
solve (x-3)(x+3)<0.
1 answer
311 views
A person pulls a toboggan for a distance of 30.0 m along the snow with a rope directed 15.0° above the snow. The tension in the
1 answer
575 views
What would be a wise qoute about sleepovers???
1 answer
421 views
*REDO*This Is a Argumentative Essay On Plymouth,Massachusetts, Can you see if I need some corecctions?
“The cowards never
1 answer
558 views
This Is a Argumentative Essay On Plymouth,Massachusetts, Can you see if I need some corecctions?
Plymouth, Massachusetts “The
1 answer
766 views
Do you guys proofread our essays its only about 2 pages.
2 answers
538 views
How many milliliters of 0.135 M HCl are needed to completely neutralize 56.0 mL of 0.101 M Ba(OH)2 solution?
1 answer
740 views
If you take a 10.0-{mL} portion of the stock solution and dilute it to a total volume of 0.700 L, what will be the concentration
2 answers
1,239 views
You have a stock solution of 16.0 M {{NH}}3. How many milliliters of this solution should you dilute to make 1500 mL of 0.200 M
1 answer
2,239 views
How many moles of KMnO4 are present in 300 mL of a 4.90×10−2 M solution?
1 answer
613 views
Calculate the molarity of a solution made by dissolving 0.680 grams of Na2SO4 in enough water to form exactly 940 mL of
7 answers
635 views
How many milliliters of 1.40 M KOH solution are needed to provide 0.120 mol of KOH?
please explain how to solve
1 answer
752 views
How many moles of HNO3 are present in 35.0 mL of a 2.60 M solution of nitric acid?
1 answer
657 views
You are trying to overhear a juicy conversation, but from your distance of 15.0m, it sounds like only an average whisper of 25.0
2 answers
3,833 views
I have a multiple choice question, I've narrowed it down to 2...
A case in medical ethics is paradigmatic when it a. is similar
1 answer
590 views
Imagine that you are a railroad worker in the late 19th century in America. The Great Railroad Strike of 1877 has just begun as
2 answers
743 views
The "bureaucracy is often at odds with elected officials and their appointees, who by contrast often get elected or appointed on
1 answer
557 views
Pewee adds two liters of pure alcohol to a 30% solution of alcohol in water. If the new concentration is 40%, how many liters of
1 answer
1,535 views
Garison Ford has complained that his supervisor has not given him an opportunity to take on any of the more serious field
1 answer
429 views
A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. What is the
1 answer
1,194 views
What are the independent and dependent variables when determining the percentage water in hydrated copper sulfate salts, while
0 answers
1,256 views
Determine the molar mass of an unknown nonelectrolytic solute when 7.55g of the solute dissolved in 125g of aniline raises the
1 answer
557 views
What is the molar mass of a molecular solute when 5g of the solute dissolved in 150g of phenol lowers the freezing point 1.5C?
do
1 answer
557 views
Determine the boiling point elevation of H2O in the following solution
a 2.5 m solution of C6H12O6 in H2O All i need is the
4 answers
1,640 views
A solution contains 20g of C^6H^12O^6 in 250g of water. What is the freezing-point depression of the solvent? What is the
1 answer
701 views
How do you express sin4x as a trigonometric function of x?
1 answer
1,402 views
How do you solve this?
8-2(t-1)=t+7 The answer is suppose to be 1 u-8-3u=2u+7 The answer is suppose to be -15/4
1 answer
428 views
A 3.00 kg object has a velocity (5.20 ihat - 2.40 jhat) m/s. (Note: From the definition of the dot product, v2 = vvec·vvec.)
(a)
1 answer
766 views
1. How many nodes (counting nodes at the ends), are present in the displacement oscillations of an open-closed tube (oboe) that
2 answers
653 views
1) A wave with frequency 3.1 Hz and amplitude 2.7 cm moves in the positive x-direction with speed 5.6 m/s. Determine the
2 answers
834 views
Solve for x:
sin3x=1/2 Can someone please help me with this porblem? I'm not sure if my answers are right, but I obtained
2 answers
536 views
prove:
2sinx+sin2x = 2sin^3(x)/1-cosx
2 answers
1,184 views
Please prove:
2sinx+sin2x = 2sin^3(x)/1-cosx
0 answers
637 views
Solve for all values of x:
sin3x = 1/2
0 answers
449 views
what is the root of 4x to the 4th power + 8x to the 3rd power - 13x to the 2nd power -2x +3
3 answers
629 views
A high school has 900 students, 40% of whom are drama majors. A second high school has a 75% drama majors population. The school
6 answers
1,012 views
Find the distance between the pair of points (-6.2,4.6)(-4.5,0.6) i have the distance as 141.50 and their answer is 4.35. how
1 answer
427 views
I am having a hard time figuring out the distane between two points the points are (9.8,-9.9)(-7.5,-5.5)I have the formula but i
3 answers
543 views
A spinner four inches in diameter is divided into six equal sectors. What is the area of each sector?
1 answer
473 views
1 )3x + 8y = 1
7x + 4y = 17 Answer: (3,1) 2) -3x + 5y = -7 9x + 2y = 38 Answer: (4,1) 3) 7r + 3s = 13 14r - 15s = -16 Answer:
2 answers
1,675 views
Could I get some revising hints on the following homework - writing an email to a client on my employer's behalf to set up a
3 answers
554 views
Paloma has 3 jackets, 6 scarves, and 4 hats. Determine the number of different outfits consisting of a jacket, a scarf, and a
3 answers
1,352 views
why does jewish law prohibit the eating the flesh of the pig?
1 answer
455 views
I guess 4th grade math is getting more dificult or Mom is getting not to smart. Find the value of 7n when n is 7,565?
3 answers
515 views
What role did educated Africans play in bringing about independence
1 answer
452 views
I performed a TLC of plant pigments in my lab class with a solvent of petroleum ether/ acetone (7:3) and used a silica gel
1 answer
788 views
Identify the rate, base, and amount in each rate 75% statement or question. Do not solve the base 150 exercise at this point.
150
1 answer
1,132 views
Mark uses 1 pt 9 fl oz and then 2 pt 10 fl oz from a container of film developer that holds 3 qt . How much of the developer
2 answers
497 views
complete each statement. (round to the nearest hundreth).
7L= ------ qt
0 answers
530 views
Okay, I need major help! Can someone tell me if these statements are true or false ASAP please. Thank you.
1. If ƒ′(x) < 0
8 answers
4,462 views
What is the derivative of y = ln 3x2?
a) y' = 2/x b) y' = ln 6x c) y' = 2 ln3 d) y' = e6x I think it's d.) Thanks.
1 answer
493 views
Find the derivative: h(x)=7x/sqrt(5-2x)
Using the chain rule...I figured out my previous post.
1 answer
863 views
Find the derivative for k(x) = (5x4 + 2)(3sin x).
Would this be the answer: (60sinx)x^3+ (15cosx)x^5+ 2
3 answers
972 views
How do I use the product rule to solve these two questions. Much appreciated! xo
Find the derivative for k(x) = (5x4 + 2)(3sin x)
1 answer
693 views
theres a question on my homework packet.
Here it is: -The Data contains 7 elements. -all the elements are greater than 6 but less
2 answers
1,316 views
Where I can find (an already made) timeline of the evolution of skin colour? I am trying to compare mine with something, so I
2 answers
461 views
While I was doing some exercises on sets
A question accured " M = {a,e,i,o,u} a) how many subsets are there of M ? When I did it
7 answers
819 views
how do we plot this on a graph
-2x+y=4
2 answers
414 views
Marketing is a management process that identifies , anticipates and supplies customers requirements profitably and effiecently
Ca
1 answer
880 views
1. A car travels 20 mi/hr for 2 hours and then 30 mi/hr for 3 hours.
a) For 0<t<2 let c(t) be the distance the car has traveled
0 answers
1,083 views
What are the factors of:60,63,56,85,106,40, please i need these answers NOW!! IT'S DUE TOMORROW!! I BEG OF YOU!
20 answers
614 views
please someone give me a hand at this problem. . .
Describe the Bohr model of the atom. What is Bohr’s key idea (involving
1 answer
738 views
A Parking Lot is full of automobiles.
Does the number of wheels in the lot depend on the number of automobiles.
3 answers
894 views
I have no idea how to do this problem
1/2(6-2x)+2greater than or equal to sign3 If u can break it down step by step
1 answer
412 views
Using the quadratic formula solve xsquared=2/3x
Using the quadratic formula solve xsquared=2/3x x^2 - 2x/3 = 0 x =
0 answers
575 views
There is one pond in which one lotus gets doubled everyday. In 20 days pond is half filled. so how many days it will take to get
1 answer
2,430 views
In one study of smokers who tried to quit smoking with nicotine patch therapy, 39 were smoking one year after the treatment, and
1 answer
1,548 views
Hello
I have an exam coming and my question is : Why do we sometimes have a tiny electical current ( spark ) when we take our
0 answers
589 views
24.5 ml of water are added to a 1.20 molar solution of nitric acid. If the concentration decreases to 0.55 molar, what volume of
0 answers
495 views
The electricity meter on Donna's house
read 71,236.4 kwh at the beginning of March and 73,196.2 kwh at the end of March. She pays
0 answers
536 views
My daughter brought home a work sheet and I have no clue where to begin to help her and she seems to have no clue either.
the
6 answers
953 views
If i have 21 grams of hydrogen, how many atoms of hydrogen do i have?
There are 6.023 x 10^23 atoms in 1 gram of hydrogen. So how
0 answers
537 views
How do you balance equations?
http://www.chemistry.ohio-state.edu/betha/nealChemBal/ The reactants are written on the left and
0 answers
1,049 views
Homework grades are 5% of the overall grade. Lab work is 15% of the overall grade. Tests are 60% of the overall grade. The Final
0 answers
750 views
You have landed on an unknown planet, Newtonia, and want to know what objects will weigh there. You find that when a certain
2 answers
4,864 views
A dock worker applies a constant horizontal force of 79.0 N to a block of ice on a smooth horizontal floor. The frictional force
1 answer
753 views
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