Lexi

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

Questions

The following questions were asked by visitors named Lexi.

AgNO3+ BaCl2-> AgCl+ Ba(NO3)2 a. balence the equasion b. How many grams of silver chloride(AgCl) are produced from 5.0g of silver nitrate (AgNO3) reacting with an excess of barium chloride(Ba Cl2)? c. How Many grams of barium chloride (BaCl2) is necessary...

Can you please help me understand what is meant by "democratic spirit"? Thanks

sqrt27xy^3/sqrt9x I'm getting 3 answers to this. yxsqrt3y/x, ysqrt3xy/3x, and 3sqrt3y Can anyone please tell me which one is correct?

I have to do a research paper in A&P please check this over for me and lwt me know what you thinks thanks this what needs to be done Select a single medical disorder. Consult resources other than the course textbook and this study guide. Examples of resou...

Dengue fever and Dengue Hemorrhagic Fever (DHF) "Dengue and dengue hemorrhagic fever (DHF) results from infection by any of four serotypes of dengue viruses. Transmission occurs through the bite of infected Aedes mosquitoes, principally Aedes aegypti, whi...

When a certain number N is divided by d, the remainder is 7. If the original number N is multiplied by 5 and then divided by d, the remainder is 10. Find d.

91 five-digit numbers are written on a blackboard. Prove that one can find three numbers on the blackboard such that the sums of their digits are equal.

Using the Pigeon-hole principle... 91 five-digit numbers are written on a blackboard. Prove that one can find three numbers on the blackboard such that the sums of their digits are equal.

What measurement forms normal distribution?

What measurement forms normal distribution? Would it be the mean and variance? (avg. and standard deviation) Could you help me please

I have 2 statistics problems that I've done and felt completely confident with them until I worked the problem a different way and got a different answer. I was wondering if you could tell me if I have the right answers or not. Thanks so much! A certain a...

A boy walks 13 km in 2.0 h. What is his speed in km/h and m/s. Show work.

please help with this problem- i've been working for the last 2 hours and can't seem to find a solution the integral of ln(x^2-x+2)

How do you find unit rate? ex. 80/2.5 = x/1

How do you find sale price? ex. A soccer uniform that normally sells for $45 is on sale for 30% off. Find the sale price.

What were the two major alliances in Europe in the years leading up to WWI?

Does anyone know some good websites to get information on the effects of the Vietnam war?

Find three examples of this typeface in use today.... I'm lost with this question and I can't find anything. Can you help me?

If u have a hundred points and split it into 4 . But you cant use a number more than once. What numbers would you use.

How could i determine the apparent molal concentration of BaNO3 when the freezing point of the aqueous solution is -2.65 degrees Celcius

The difference between two numbers is 25. The smaller number is 1/6th of the larger number. What is the value of the smaller number?

A radio station's signal has a radius of 100 miles. If you drive at a constant speed of 40 miles an hour, nonstop, directly across the diameter of the signal, how long can you listen to the station before the signal fades?

Graph each equation by point-plotting 3x-2y=6

I don't understand can you help me? Alicia has made a rectangle using 24 square tiles. If she adds the length and width of her rectangle together, she gets 11. What is the length and width of Alicia's rectangle?

A novice golfer on the green takes three strokes to sink the ball. The successive displacements are 3.80 m to the north, 1.80 m northeast, and 1.00 m at 25.0° west of south. Starting at the same initial point, an expert golfer could make the hole in what...

what is y-12=16?

The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian growth model, find the world population in 45 years. (Round your answer to one decimal place.)

Only 34% of the carbon-14 in a wooden bowl remains. How old is the bowl? (Carbon-14 has a half-life of 5,700 years.)

For a test question, a mathematics teacher wants to find two constants a and b such that the test item "Simplify a(x + 2y) − b(2x − y)" will have an answer of -4x + 12y. What constants a and b should the teacher use?

A commercial airplane has a takeoff speed of about 300 km/h. What si the takeoff speed in mi/h?

what is the measure of a square convex to the nearest degree?

How would you prepare 1.00 liter of a 0.18 M solution of NaOh?

What would happen if the temperature in the Tundra drops 20 degrees farenheit?

Hello, im in 6th grade and im trying to find out the least common multiple of a number and the greatest common factor of a number. I don't know what they are. thanks

How do you factor 84-2c-2c^2 ?

A 3.60 kg block is pushed along the ceiling with an constant applied force of F = 75.5 N that acts at an angle θ = 61° with the horizontal, as in the figure below. The block accelerates to the right at 5.76 m/s2. Determine the coefficient of kinetic frict...

The dosage in milligrams D of a heartworm prevention for dog who weighs x pounds is given by D(x)=136/25x. What is proper dose for dog that weighs 29 pounds?

You are at a furniture store and notice that a Grandfather clock has its time regulated by a physical pendulum that consists of a rod with a movable weight on it. When the weight is moved downward, the pendulum slows down; when it is moved upward, the pen...

Two sides of a triangle have lengths 8 and 17. Which inequalities represent the possible lengths for the third side, x? a) 9 < x < 25 b) 9 < x < 17 c) 9 < x < 8 d) 8 < x < 17

If m<AOC = 49°, m<BOC = 2x°+10°, and m<AOB = 4x°–15° find the degree measure of BOC and AOB. mBOC = 18°; mAOB = 31° mBOC = 28°; mAOB = 21° mBOC = 21°; mAOB = 28° mBOC = 31°; mAOB = 18°

You notice green scum floating on the surface of a pond. How can you tell whether these organsims are plants?

What is the solution of the proportion? 3y-8 y ---- = --- 12 5

Given the proportion a/b=8/15, what ratio completes the equivalent proportion a/8= what/what ?

What is the one thing Countee Cullens finds to be God’s strangest “mistake”? a.)creating a black poet b.)making moles blind c.)that people must all die d.)that the Greek king Tantalus must be punished for all eternity

A girl tells her mother she is volunteering at an animal shelter because it makes her feel good, but the truth is that she has been offered extra credit in one of her classes to do so. Her motivation is 1.)a lie 2.)external 3.)idiomatic 4.)idiomatic

The speaker in “I, Too, Sing America” survives adversity because he feels what? 1.)faith that he will one day be affirmed by white America. 2.)he has uncovered the hypocrisy around him. 3.)he is better than the people who are oppressing him. 4.)hope that...

Why don’t the narrator and the other man want to hold Edward for ransom? Is their motivation internal or external? in “I, Too, Sing America”

It is the neighbor who believes that good fences make good neighbors, not the speaker. true false

The majority of Robert Frost’s poems concern life in the city. true false i think its true

Example 1...(Many people use bamboo screens) that roll up and down. Is the part in parentheses a subordinate clause?

How does the surface tension of water compare with the surface tensions of most other liquids? a.)It is lower. b.)It is about the same. c.)It is higher. d.)It is higher when a surfactant is added. i think its C or D.

The fact that ice is less dense than water is related to the fact that ____. the molecular structure of ice is much less orderly than that of water the molecules of ice are held to each other by covalent bonding ice has a molecular structure in which wate...

solve for the value of x. C:\Users\Emily Shae\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\3J5934JU\paint[1].jpg please help me.. i don't want the answer just how to solve

9 over x = 15 over 25 what is x?

An angle bisector of a triangle divides the opposite side of the triangle into segments 6 cm and 5 cm long. A second side of the triangle is 6.9 cm long. Find the longest and shortest possible lengths of the third side of the triangle. Round answers to th...

I would like to know anything about the hollocoust and world war 2!

A 4 1/2ft ribbon is cut into 6 equal-length pieces.How long is each piece?

Sarita works 2 days each week. If her office is open 7 days each week, use pascal's triangle to find the probability that she will be scheduled for Wednesday and Saturday next week. A. 2/7 B. 1/14 C. 1/21 D. 1/42

If DE = 4x+5 and GJ = 3x+25 what is DE? DE is the midpoint of the triangle.

In an 8 inch by 12 inch rectangular photograph, the image of a building is 5 inches high. If the photograph is magnified until its perimeter is 720 inches, what is the height, in inches, of the image of the building in the larger photograph?

Work out the problem and explain your steps as you go please! 1. Find the limit by numerical evidence of limx -->4 x3+4x2-7x-5 2. Find the limit of limx-->-9 x2-81x+9. 3. Find the limit of each of the following: a. limx-->0 x+4x-2x b. limx-->0 x3+51 x2-17...

Two hundred tickets for the school play were sold. Tickets cost $2 for students and $3 for adults. The total amount collected $490. How many student tickets were sold?

Diffraction grating #1 has half the lines/cm that diffraction grating #2 does. When used with a certain wavelength of light, both gratings give first order maxima. Which of the following statements is true for the same wavelength of light.

If a completely cylindrical bar with a mass of 5000kg is flung into a wall with a surface area of 500un^2 and is morphed into a square at 50NMC/m at 40 degrees tangent to the area of initial impact. What is the length of the sides?

A pizza was cut into 6 slices. Ben ate 1/3 of the pizza. How many slices did he eat?

Mars has a mass of about 6.09x10^23 kg and it's moon Phobos has a mass of about 9.4 x10^15N how far apart are mars and Phobos? The value of the grav constant is 6.673 x10^-11 answer in units of N

Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing indium and cadmium: This is what I have so far: anode: In(s) --> In^3+ + 3e- cathode: Cd^2+ + 2e- --> Cd (s) Need help writing the ba...

Angela measured 2 trees in her front yard.Tree A is 5m. Tree B is 200 cm taller than tree A. How tall is tree B

For this question, you need to apply what you learned about temperature controls to two locations on Earth. Discuss how the 5 factors influencing temperature patterns effect St. Louis, Missouri (38°39' N, 90°W; elevation 535 ft) and Singapore (1°24'N, 103...

Sam opened a money-market account that pays 2% simple interest. He started the account with $7,000 and made no further deposits. When he closed the account, he had earned $560 in interest. How long did he keep his account open?

In speaking to William, the classroom teacher said, "Bill can climb the hill." Then she said to the class, "See? I made a rhyme!" The teacher's goal was to: A. train the children to differentiate human speech patterns. B. develop the children's sound awar...

What is the composition of the A horizon ? a. topsoil b. subsoil c. bedrock d. water Either b or d? ^^

How do I measure the circumference of a circle without the given radius/diameter? How do I measure the actual distance between Grande Prairie and Medicine Hat? Map Scale: 1:18,300,000

If a crane is lowered at 4.5 feet per second, what is the crane's velocity and speed?

The HIGHEST point in a certain location is a foreign country is 15,541 feet above sea level. The LOWEST point in the same country is 107 feet below sea level. What is the difference between these two elevations?

Can you have a 1 column matrix.

What is a good and creative way to start a speech when your introducing yourself.

How is a compound different from an element?

Is jelly a element, compound, or a mixture? Is sweet tea a element, compound or a mixture? Is ketchup a element, compound, or a mixture?

(6-3w)(-w2) the two in the second set is a exponent. How do I solve this?

Simplify the expression by combining like terms. 5-x+2 I believe it is 7-x, but just to make sure.

a -2a/5 = 3 Do you multiply by 5? Then it goes a-2a= 15?

Ninja goes to space! If Ninja has a weight of 83.59 N on earth and she lands on a planet that has an acceleration due to gravity of 1.44 m/s2, then what is her weight on the new planet?

5 -2x-1 = x+2 ____. ____ 4. 3 I keep getting x=5.5 Multiply by 12 60-3(2x-1)=4(x+2) 60-6x-3 =4x+8 63-6x=4x+8 Add the -6x 63=10x+8 Subtract the 8 55=10x Divide 10 X=5.5

Help, I need help on this.. For questions 3-5, use the recipe below. (I'll try and make it..) ----------------------- |Ingredients|Amount| |------------------- |Orange Juice| 4 3/4 cups| |Grape juice| 6 1/2 cups| | Cherry Juice 2 1/8 cups| |Club soda| 1 1...

Estimate the answer to the following problem by rounding to the nearest 10: 13 + 46 + 87 = ? A: 130 B: 155 C: 160 D: 150 I personally think its 160, because look; 13 + 46 + 87 = 146. I rounded it, and I think it's 160. Could anybody find out if it's corre...

I'm studying for a test so I want to make sure I'm doing these problems right. Numerator (-5a exponent -2) Denominator b3 All to the -1 exponent For a= -4. And b=2 My answer I get is 1/10 is the right ? -16 with -1/2 exponent Would the answer be -4? 2-3 s...

5/square root 20 - 2 square root 45 Help please I have no clue how to do this ok studying for a test 3/y+2 + 2/y = 5y-4/y^2-4 I know you factor then multiply by LCD y(y-2)(y+2) I get stuck right after that step and don't know what to do .

solve -16x-2y=-18 and 8x+y=9 by elimination

solve 5x-12y=-3 and 10x-4y=-25 by elimination

(7p+3)(p+1)find each product

What is 0.000000132 in Scientific notation.

7a^4*3a^2= ? Can you show me step-by-step please? Thanks a bunch :3

Each of the following took place during the Russian revolution EXCEPT A.A new government forced the tsars to give up their power. B.Russia made peace with Germany. C.a democratic president was given power. D.the Russian Empire was renamed the Soviet union...

Russian dictator Joseph Stalin was Responsible for the deaths of how many Russians? A.50,000 B.100,000 C.1 million D.10 million

What happened in the end of world war 1? A.Archduke Franzer Ferdinand was made ruler of the central powers. B.Germany and Austria-Hungary were forced to sign the treaty of versaills, which set out harsh punishments for them. C.The central powers were offe...

World war 1 left Germans feeling? A. unfairly punished B. eager to make friends C. content with the peace treaty D. good about their economy Is the answer A?

World war 2 began when Nazi Germany invaded which nation? A.Britain B.France C.United States D.Poland Is the answer D?

What fraction of the population could not find work during the great depression? A. One-eighth B.one-quarter C.one-half D.three-quarters D?

Answers

The following answers were posted by visitors named Lexi.

The RANGE is the difference between the lowest and highest values. In this case 100 - 80 = 20, so the range is 20. The range tells you something about how spread out the data are. Data with large ranges tend to be more spread out.

Problem 2: A random sample of 10 miniature tootsie rolls was taken from a bag, each piece weighed on a very accurate scale. The results in grams were: 3.087 3.131 3.241 3.241 3.27 3.353 3.4 3.411 3.437 3.477 a)construct a 90% confidence interval for the t...

wellll you would have to plug in -3 for x. do the rest of the math

Im pretty sure its outer crust, inner crust, mantle, and core. Again, im only pretty sure. I don't have my science text book with me.

The homework says 3 out of 4 are correct. With 1 being false so that means one of these have to be false.

Thank you so much!

You're right on the first one, but the slope on the second would be 1/5 because 5-0 is 5, not zero. If you come across a slope with the denominator of zero though, it will be undefined.

thank you so much!

awesome thanks!

3x^7-5x^5-27^2+45

The first dialogue can be in the paragraph it is coming from, but when the kid responds, it should start a new paragraph every time.

The second one. In the first sentence, the verb tenses do not agree (Past/future).

(a-2sqrt:ab+b)/(a-b)

I am not sure how to do this question

I get it omg thank you!

I have no idea that's the way it is on the lesson... I think the answer is idiomatic.

Can you explain what idiomatic is ?

Look up a few on youtube... pretty interesting.

Thank ya kindly Ms. Sue =)

This person meant sulfite.

thank you ms sue.. i askeed my dad and he was like i don't see why u don't understand this blah blah blah... u r so much help =)

i believe the answer to be D.

Given A (-6,4) and M(-1, -1) find B.

Grating #2 must give a second order maximum. Both gratings must also give second order maxima. It is possible that neither grating gives a second order maximum. Grating #1 must give a second order maximum.

60 if your question is whats 12times5

I had this same question ;) I guess its already been answered

This is easy ppl it is c,b,a,c

I get: VecA=40m/s VecB=62.2m/s VecC=33.4m/s VecD=199.3m/s all at E of S of the radius Then VecE=27.8m/s at N of W And VecF=101.1m/s in a linear spiral Final= 1.87m Which of my vectors are wrong?

Thank you so much!!! This problem gave me a headache!

He is 7 inches short

HAHAHA everybody from connexus goes here and openstudy

the people drank 93 cups. 6 times 16 = 96, the total number of cups, then subtract the three that were not consumed and you get 93.

Yay, thank you Reiny. That helped me.

so after that do u add the two problems together?

so it ends up a fraction? and then i have to find x?

thank you again haha

I just did the test number one Is b I got it wrong when I said it was one and it was b. :)

Were your answers correct?

I just took the test and #2 is c

1 is c I just took the test

Yay thanks all right!

yes, simplify the expression... Also, can you help me with a couple more? Simplify the expression (x^3)^5 Simplify the expression (y^4)^5 Can you help step by step please?

And these please... simplify the expression each expression... 4^8/4^2(this is in fraction form) b^2/b^4(this is in fraction form) 28xy^7/32xy^12 (this is in fraction form) These are the last promblems I promise! Thanks for the help:)

Thank you Ms.Sue!

Two triangles have the following pairs of congruent sides BD=Fj=DG=JM,and GB=MF. Write the congruence statement for the two triangles.

5.76 multiplied by 10 to the 19th power. Labeled as atoms.

Would it be esta?

Thank you! I figured it out! And it was a good explanation!

Okay listen, they are here to tutor they are not here to give you answers they gave you information to help you learn. If what they gave you is confusing search something like it. They are nice people and good tutors. No offense to the other tutors but I...

Is my answer good? If not how can I make it better? Ms. Sue?

Thanks Ms. Sue, I appreciate it.

Arrie is wrong, Asuh dude is correct. Its A, B, D, A

1 - D 2 - A 3- C 4- B

Would the answer be 4?

Now I understand. Thank you!

The answer is C

The question doesnt ask for someone's summary , its a compare and contrast thing . I just need an example of a book .

I go to connections academy

So one of them is right im guessing?

Yea .. i studied the democratic values and i know that patriotism is definately in there .. but some of the democratic values didn't include voting nor serving. But it did say something about the persute of hapiness, so im going to guess it's: Patriotism...

Okay.. so its voting an election? Lol

Could you help me understand the answer then? Like a link or something?

Oops , i meant U.S.

Well I know legislative's job is mainly creating new laws. Hmm... im going to have to go with A and D?

Thank you guys so much!

Can someone please help? You don't have to answer all of them. Maybe just one or two? I am always having second thoughts on my answers

they are both correct

@a nanny mouse @Your mom is correct

The correct answer is D. The Mediterranean coast

1.)A 1.)B 3.)C I got 100%

Eric Mashak is correct I got 100%

@me @girl @Dylan @calie are correct

Actually part be is A.

Asdf is correct

The correct answer is 66

@Jenna Kellerman By now Middle Schoolers and Elementery Schoolers already knows what that is.

Imaging Inc., a developer of radiology equipment, has stock outstanding as follows: 40,000 shares of cumulative preferred 2% stock, $75 par and 100,000 shares of $50 par common. During its first four years of operations, the following amounts were distrib...

Is 3.52 a rational number.

OMG Thank you so much!!

[oh-]=3.0*10^-2M Can u do this one ?

The answer is 2 5/6 because you have to keep 2/3 the same and then you have to make 4 1/4 an improper fraction and then that give you 34/12. It is another improper fraction so then you make it a mixed number. You would get 2 10/12 because 12 goes into 34...

1. B, C 2. D 3. D I got a 100%

the only thing I see about Bangladesh is this, countries benefit when they specialize in producing what they are capable of producing most efficiently. Then they trade with other countries for what they need or cannot produce efficiently. Pakistan, Bangla...