help pls

This page lists questions and answers that were posted by visitors named help pls.

Questions

The following questions were asked by visitors named help pls.

integral of sin(x^2) dx i actually got the ans, but aftr differentiating the answer i am not getting back the question

solve for x and y x+y=5 and x^x + y^y = 31 i have found x,y = 2,3 or 3,2 but i got the answer by merely substituting the values... is there any proper way to find x and y??

12 years ago

lim [cotx - (1/x)] x-->0

12 years ago

Calculate the ratio of Rydberg value for doubly ionized lithium, a one electron atom with a nucleus of charge 3e, to that of hydrogen? Include the reduced mass effect for Li++ in your calculations.

11 years ago

two sides of a triangle have lengths of 8 inches and 12 inches. which could be the length of the third side A. 2 in B. 4 in C. 16 in. D. 20 in i think C? or D?

11 years ago

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -9x2 + 9x + 5. (a){–1.80, 1.80} (b){-9, 9} (c){–1.00, –0.56} (d){–0.40, 1.40}

11 years ago

I really need help with the other worlds unit test essay. I've been on it for like 2 weeks now and I can not figure this out. I read all the stories before winter break and now I cant remember anything. Anyone please help I just need like a base of what t...

9 years ago

In the diagram above, the arrows represent momentum. A larger arrow indicates more momentum. Which of the following best describes how the balls will move after ball A collides with ball B? (1 point) 1. Ball A will bounce off of ball B and roll to the lef...

9 years ago

You observed light passing through lenses and through a set of prisms. Why does refraction occur?

9 years ago

two movie tickets cost 19.00. three movie tickets cost 28.50 what is the costant of proportionality? 1) 0.5 2) 9.0 3) 9.5 4) 11.0

9 years ago

what is the constant of proportionality for the values in the table? miles: 2 3 minutes: 12 18 1) 1/6 2) 4 3) 6 4) 10

9 years ago

2Na+2H2O-->2NaOH+H2 what is the mass of reactant left over? pls show work too thank you

8 years ago

CH4+2O2-->CO2+2H2O If 22.75g of carbon dioxide is obtained when 9g of methane is burned in excess oxygen, what is the percent yield? Show work too please

8 years ago

The following table shows the expressions that represent the sales of 4 companies: Company A B C D Sales 340(1.03)x 275(0.89)x 180(1.23)x 260(1.90)x Rank the company sales by smallest to largest percent of increase and select the correct answer below. 1....

6 years ago

The following chemical equation shows the incomplete formula for burning methanol. The question mark represents the unknown number of oxygen (O2) molecules. How many molecules of O2 are needed to balance this chemical equation? 2CH₃OH + ?O₂ > 2CO₂ + 4H₂O...

6 years ago

what are the next three terms in the sequence? -3,6,15,24, ... A.35, 46, 57 B.34, 44, 54 C.33, 44, 56 D.33, 42, 51*** is this correct?

6 years ago

___ Is a feeling someone or something is important and should be treated in a appropriate way. A. Responsibility B. Respect C. Trustworthiness D. Caring

5 years ago

How did the physical features affect the development of China, Japan, and Korea in similar ways? What were the key differences? This is a written response type question so please help! i’ve been stuck for a while !

5 years ago

A train leaves the station at time xequals 0. Traveling at a constant speed, the train travels 328 km in 3.4 h. Round to the nearest 10 km and the nearest whole hour. Then represent the distance, y, the train travels in x hours using a table, an equat...

5 years ago

1. Name the point with the given coordinates (2,4). (1 point)

5 years ago

Which statement best describes why the steady state theory cannot explain the radiation detected in space? (1 point) The theory is based on the idea that galaxies and stars are continuously replaced; therefore, facts about radiations would not be included...

5 years ago

The bowling scores made yesterday during a middle school field trip are shown. 44, 50, 50, 56, 72, 80, 81, 88, 88, 88, 94 What is the interquartile range of the data? A. 32 B. 38 C. 50 D. 80

5 years ago

The area of a square boxing ring is 436 square feet. What is the approximate length, in feet, of one side of the boxing ring? 1. 4 ft. 2. 21 ft. 3. 54 ft. 4. 109 ft. I think that it is 54 ft.

4 years ago

Determine the intervals on which f(x) is positive and on which f(x) is negative. f(x) = x^4+2x^3-13x^2-14x+24 f(x) < 0 if _____________________ f(x) > 0 if ____________________

4 years ago

1. Perpendicular Bisector of a Triangle 2. Circumcenter 3. Orthocenter 4. Concurrent Math with the definitions A. The common point of the perpendicular bisectors of a triangle B. Segment from a vertex that is perpendicular to the opposite side or line con...

4 years ago

What impact did ideas of racial superiority have on the establishment of European or American rule in overseas dependencies?

4 years ago

Do you expect lead(II) chloride and lead(IV) chloride to have the same chemical properties? Explain.

4 years ago

Find the discontinuities (if any) of each function 1. f(x) = 1/(x-4) If there is point(s) of discontinuities then x = , x = 2. f(x) = 3/(x+3) If there is point(s) of discontinuities then x = , x =

4 years ago

In an arithmetic series t1 = 25, t3= 23. Find the value of n for which Sn = 135

4 years ago

Mass of this sample = 3.2 g 1. Iron is... a) An element composed of atoms b) An element composed of diatomic molecules c) An ionic compound d) Made from more than one type of atom 2. How many moles of iron are in the nail?

4 years ago

Volume of sample = 2.2 mL Density of water = 1.00 g/mL 1) How many water molecules are in the cylinder?

4 years ago

What is the mass of two moles of H2O? How many water molecules are in this mass? What volume (L) will this many water molecules occupy at STP?

4 years ago

1. What is the volume (L) of 3.01×10 23 molecules of carbon monoxide (CO)? 2. How many molecules of SO2 are present in 0.45 grams of sulfur dioxide? 3. What volume (L) will the molecules of SO2 in question 2 occupy?

4 years ago

An unknown gas occupies 14.6 L at STP and has a mass of 19.5 g. The unknown gas is either methane (CH4), carbon dioxide (CO2), nitrogen monoxide (NO), or sulfur dioxide (SO2). Determine the identity of the unknown gas.

4 years ago

Odysseus is clever, but he also reveals other character traits in this part of the poem. Identify one and explain it's influence--positive or negative--on his quest to reach his home in Ithaca. Can someone pls help I have to turn this in soon pls

4 years ago

If you were one of Odysseus's shipmates, how would you feel about him? Is he foolhardy or a reliable leader? Support your answer with events from the text. I need to turn this in soon help pls

4 years ago

Odysseus tells us that people consider him "formidable for guile" (great in wit and cunning). How does he show in his encounter with the Cyclopes named Polyphemus that this reputation is deserved? I need to turn this is soon help pls

4 years ago

The Odyssey Part 1 Pages 468-484 Figurative language is a writing technique used to create imagery with words Identify no less than three similes and/or metaphors used in this literary selection please also include the line number for each one here is an...

4 years ago

What tricks did odysseus play on Polyphemus and how did they affect him?

4 years ago

Helen and Maggie are going to the store to purchase snack sized bags of chips and bags of pretzels for the baseball team. Helen purchased 20 bags of chips and 10 bags of pretzels and spent $10. Maggie purchased 15 bags of chips and 15 bags of pretzels and...

4 years ago

Construct a function so that lim x → 4 f(x) = 2 with the following restrictions: The function is rational, the limit must contain an indeterminate form, the function must contain a radical in the numerator, and it must contain a trinomial in the denominat...

4 years ago

Supposed y varies directly with x, and y = 12 when x = -4. Find x when y = 15.

4 years ago

Write the function rule for the function shown below reflected in the given axis. f(x)= -6x;y-axis Let g(x) be the reflection of f(x) in the y-axis. What is the function rule for g(x)?

4 years ago

Write the function rule g(x) after the given transformations of the graph of f(x)= -2x. reflection in the x-axis;vertical compression by a factor of 1/4. g(x) = ?

4 years ago

Write in point-slope form an equation of the line through the pair of points. (11, 1) and (5, 8) What is an equation of the line in point-slope form? a.) y - 1 = 7/6 (x - 11) b.) x - 1 = -7/6 (y - 11) c.) y = 7/6x + 83/6 d.)y - 1 = -7/6 (x - 11)

4 years ago

Which of the following is generally true of a competitive free market economy? a.) it needs assistance to find its own equilibrium b.) it requires a planning commission to set prices c.) it depends on government intervention to run effectively d.) it can...

4 years ago

A set of superhero figurines was very popular during the holiday season. Demand for these superhero figurines dropped significantly after the holidays. A surplus of superhero figurines now lines the shelves of the toy stores. In the absence of government...

4 years ago

a freight elevator has a capacity of 3000 pounds. a.) If a barrel averages 40 pounds and a crate 100 pounds, write and inequality that describes when x barrels and y crates will causes the elevator to be overloaded. b.) The inequality is ________

4 years ago

How are ionic compounds similar to polar compounds?(1 point) Both compound types are held together by covalent bonds. Neither compound type is neutral. Neither compound type dissolves in polar solvents. Both compound types have oppositely charged regions.

3 years ago

A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other. Identify which form would be more helpful if you needed to do each task as listed below and explain why. a. Factor the equation b...

3 years ago

Divide using long division. Check your answer. (x^3 + 3x^2 - x - 4) divided by (x-1) The quotient is ___ with a remainder of ___. Simply the answers, do not factor.

3 years ago

Nitrogen returns to the atmosphere through a process called(1 point) nitrogen cycle. nitrogen fixation. nitrification. denitrification. (NO LETTERS USE WORDS FOR ANSWER)

3 years ago

Nitrogen from animal waste can be stored in bodies of water as(1 point) nitrites. nitrites. ammonia. ammonia. nitrates. nitrates. nitrogen gas.

3 years ago

do any of you have answers for unit 4 solving inequalities lesson 7 solving inequalities using addition or subtraction

3 years ago

1, 1, 2, 2, 3, 4, 4, 8, 5, 16, 6, 32,... What is the next 2 numbers and what is the pattern (no need to make a formula)

3 years ago

a farmer has 360 feet of fencing to make three identical adjacent rectangular pens. What dimensions of each pen will maximize the total enclosed area?

3 years ago

what happens to hexanol if exposed in acidic solution

3 years ago

Your home security system is disarmed when 3 different number buttons are pushed in a certain order. No button can be pushed twice! A robber attempts to break into your house. What is the probability that he can disarm the device by randomly guessing 3 of...

3 years ago

if you have 10 rose bushes you wish to plant in a row by your front porch including 3 red ones, 5 pink ones, and 2 yellow ones, in how many different arrangements can you plant them? (assume that pink ones are all alike, and likewise for red and yellow)

3 years ago

What is the best definition of a bulk property? A. A property that makes the amount of substance larger. B. A property of matter that does not depend on the substance amount. C.A property of only very large molecules. D.A property that is found in large q...

3 years ago

Use the exponential regression equation that best fits the data (10,4), (12,20), (13,35), and (16,300) to estimate y when x = 15. A. 53.1 B. 97.2 C. 146.7* D. 254.8 I believe that the answer is C. but I'm not entirely sure. I would appreciate some confirm...

3 years ago

Which statement is true?(1 point) Responses Neutral mutations occur when a mutation is found in a DNA region and results in a harmful disease. Neutral mutations occur when a mutation is found in a DNA region and results in a harmful disease. Neutral mutat...

2 years ago

Identify the first step in solving this equation for x: 7(x − 8) = 49. (1 point) Responses Divide both sides by 7. Multiply both sides by 7. Divide only the left side by 7. Add 8 to both sides. and so i can find this later (Pinkcat74)

2 years ago

The connotation of a word is the ____________.(1 point) Responses number of meaning it has. number of meaning it has. feeling associated with it. feeling associated with it. way it is read out loud. way it is read out loud. sentence structure it is used i...

2 years ago

Determine the variation in this unordered data set by finding the range. 12, 13, 18, 21, 17, 12, 12, 21, 18

2 years ago

The French Revolution Quick Check all answers please

2 years ago

i need help on special angles quick check

2 years ago

Give me all answers to speical angles quick check

2 years ago

Special Angles help 1 2 3 4 5 answers

2 years ago

Question Use the image to answer the question. An illustration shows two concentric rectangles, an outer and an inner rectangle. The length of the outer rectangle shown vertically is labeled as 36. The width labeled horizontally is 24. The distance betwee...

2 years ago

Use Area to Solve Problems Quick Check 4 of 54 of 5 Items Question Use the image to answer the question. An illustration shows a composite figure of two similar sets where a central pentagon is surrounded by a layer of 5 pentagons, one on each side. Two c...

2 years ago

Question Use the image to answer the question. An illustration shows a composite figure of two similar sets where a central pentagon is surrounded by a layer of 5 pentagons, one on each side. Two central pentagons are drawn separately with dashed lines. O...

2 years ago

Does anyone have the answers to Chemistry semester B end of course exam answers 1. A company is developing a new drug to help people lose weight. During a three month trial, 10 subjects are told to follow a diet program, an exercise program, and to take o...

2 years ago

6. What is one positive advantage of having a shared currency like the one used in the European Union?(1 point)Responses It makes other countries who are not in the European Union suffer It allows for easy exchange for goods and also for things like inves...

1 year ago

2 of 152 of 15 Items Question Read "The Cricket Sang" by Emily Dickinson. The cricket sang, And set the sun, And workmen finished, one by one, Their seam the day upon. The low grass loaded with the dew, The twilight stood as strangers do With hat in hand,...

11 months ago

HEY Americans in the 1940s and 1950s were terribly concerned that Communism might spread westward. It had already taken root in China and the Soviet Union. In 1959 those fears became reality. The small Caribbean island of Cuba took center stage when, in 1...

11 months ago

Answers

The following answers were posted by visitors named help pls.

then how do we proceed ?? is their any solution to this problem?

12 years ago

it's 9x^2 not 9x2

11 years ago

i don't have time to lol and my teacher wont help shes really rude.

9 years ago

lol rude i already passed the test just need help with the essay but thanks for ruining my day.

9 years ago

thanks

9 years ago

can someone give some answers

4 years ago

I have to show my work as well, idk how to do this

4 years ago

someone please help me its urgent

I just finished taking the quiz and the answer was indeed C. 146.7. @oobleck I arrived at this result by solving for the exponential regression equation and entering the value of 15 into x. 146.7 was the closest value to what got resulted on a graphing ca...

3 years ago

Which statement is true?(1 point) Neutral mutations occur when a mutation is found in a DNA region and results in a harmful disease. Neutral mutations occur when a mutation is found in a DNA region that codes for proteins. Neutral mutations occur when a m...

oh voy a tener problemas.

2 years ago

Which structure connects the stigma to the ovary? (1 point) Responses stamen style pistil ovule

2 years ago

What are the male and female reproductive parts of a flower? Responses the petal and the sepal the pistil and the stamen the anther and the filament the ovule and the stigma

2 years ago

A bee will pollinate a flower if it moves pollen from Responses the sepal to the pedicel. the anther to the stigma. the filament to the style. the pistil to the stamen.

2 years ago

Which structure is thick to protect some of the reproductive structures in flowers? Responses style anther petal sepal

2 years ago

A bee will pollinate a flower if it moves pollen from the the pistil to the stamen.

2 years ago

no the pistil to the stamen not the anther to the stigma

2 years ago

Determine the variation in this unordered data set by finding the range. 115, 125, 205, 219, 104, 123

2 years ago

Measures of central tendency, or measures of center, help you locate the middle of a data set. In a data set with a distribution that skews like so, data is distributed with a skew to the left. In the data set below, would the mean, median, or mode be the...

2 years ago

sorry

2 years ago

Which of the data sets below has a range of 15? Select all that apply. A) 19, 23, 28, 15, 14, 23 B) 19, 19, 21, 25, 13, 17 C) 19, 23, 34, 25, 27 D) 64, 73, 71, 58, 66 E) 96, 94, 93, 81, 85

If you are finding the mean of a data set, do you have to pay attention to every number in that data set?

2 years ago

Which of the data sets below has a range of 31? Select all that apply. A) 58, 45, 43, 32, 59, 58 B) 71, 53, 48, 40, 52, 68 C) 14, 18, 11, 34, 19, 22, 34 D) 29, 27, 23, 54, 49, 37 E) 45, 46, 61, 59, 30, 38

2 years ago

Select all that apply pls

2 years ago

it's b, d, and e

2 years ago

Which example of data set can only be summarized by the mode? A) Children per household in a country B) Agreement with a statement C) Scale from 1 to 10

ty @jeffbezosbaldheadishot

2 years ago

😐😐😐😐

2 years ago

I was talking to @jeffbezosbaldheadishot

2 years ago

help The French Revolution Quick Check 1 Why were members of the Third Estate frustrated with the French government?

2 years ago

i need answers to speical angles quick Check

2 years ago

Special angles all answers please theres 5 questions

2 years ago

shut up ash hole

2 years ago

How come youve done it multiple times then??

2 years ago

i need help with the french revolution quick check

2 years ago

answers

2 years ago

No i cant i dont have copy and paste

2 years ago

Im doubtful about if you are just copying answers from this site, I asked you for this 2 days ago and you gave them away. Same for the math, So why do you keep saying youre an ai?

2 years ago

Select the boxes in the table to show whether each country has an autocratic or a democratic form of government today. Autocratic Democratic China Japan Mongolia Taiwan

2 years ago

Which significant challenge does Japan face today? A. lack of specialization B. unskilled workforce C. scarcity of natural resources D. too few trade partners

2 years ago