Alexander

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

Questions

The following questions were asked by visitors named Alexander.

Can someone help me with this? 1)What new element is formed if magnesium-24 is bombarded with a neutron and then ejects a proton? Write a balanced nuclear equestion for this transmutation. Is this beta decay? That's what I'm thinking, but I'm not sure. It...

I'm doing a project on persistent pollutants and brominated flame retardants in particular. Can you suggest some good sites to look at for the effect on the ecosystem? I need to identify the source of, the effects on our environment, effects on a particul...

Factor completely: x^3 - 2x^2 + 7x - 14

Show the similarities between dividing two fractions and dividing two rational expressions using examples of each; explain your steps

Can you help me solve by factoring: x^2 - 13x = -12

I need help with using the quadratic formula to solve this equation: 2^x2-2x = 8

there are 500 seats in the auditorium. A concert was playing there and 1/5 of the seats were not filled. All the other seats that were filled cost $5.00 a piece to sit in. HOw much money was made in concert tickets ?

there are 40 marbles in a jar. Chris had 2/5 of the marbles, Sal had 1/8, Tim had 1/10, and Bob, John and Don split whatever was left over evenly. How many marbles did Bob, John and Don split ?

it takes a 40 lb turkey two hours to cook. Tom baked his own turkey that was 1/5 the size of a 40 lb turkey. How long will it take for Toms turkey to bake ?

thomas wants to build a seven layer brick wall. the bottom layer has 20 bricks and each layer of the wall that goes up has two less bricks than the layer below it. if each brick costs .50 cents to cement how money will Thomas spend on the wall ?

Stan bought several clothing items at macys. He bought a jacket for $30.00, a hat for $10.00, and two shirts for $5.00 each. He had a coupon that took 30% off the total bill. He paid with a $50.00 bill and received three of the same types of bills in chan...

sean had the following test grades: 50%, 65%, 50%, 45%, 100%. what is the range ?

If 5/17 of a region is shaded, what fraction is not shaded?

A 50.0g Bullet traveling horizontally at 200.0 m/s embeds itself in a much more massive wooden block initially at rest on a horizontal surface (μ=0.10) The block then slides 1.2m toward an ideal spring and collides with it. The block compresses the spring...

I have no idea how to do this.

I have two unknown numbers x and y, and the sum of x and y(x+y) is 78 and the product is (x*y) is 896

Okay heres the pic. There is a plane with points B,D, and E.those [oints are collinear in the plane. And also outside of the plane is points A, and C. and those points are collinear outside of the plane.thought Line AC intersect at point B of the line BDE...

Strong base is dissolved in 675 ml of 0.200 m weak acid (ka=3.25x10^-5) to make a buffer with a ph of 3.95. Assume that the volume remains constant when the base is added. HA + OH ---> H2O + A^- calculate the pka value of the acid and determine the number...

Find the exact value of the trigonometric function given that sin u = − 8/17 and cos v = − 3/5. (Both u and v are in Quadrant III.) cot(v − u)

Solve the Logarithmic equation algebraically. Give an Exact Answer and an approximation for x to four decimal places. 20 log(2x+2)=45

Can you help me find a link on how to make zeppoles (ex; step 1 then step 2) Please.

how do you convince someone to stop smoking. Also,how do you relieve stress without smoking or eating? Please help.

In the book, "The face on the milk carton", what color is Janie's shirt?

Figure shows an overhead view of a 0.024 kg lemon half and two of the three horizontal forces that act on it as it is on a frictionless table. Force F1 has a magnitude of 6 N and is at ¥è1 = 25¢ª. Force F2 has a magnitude of 10 N and is at ¥è2 = 27¢ª. If...

A professor receives, on average, 8 emails from students on the day before an online quiz. If the distribution of the calls is Poisson, what is the chance that he received at least 6 and at most 10 emails on such a day?

which one of the following sentences contains a collective noun? A. the quality of mercy is not strained. B. wo among you is a butcher, a baker, or a candlestick maker? C. Listen, my children, and you shall hear. D. the legislature met in secret session....

Can someone please explain how to find the frequency from: Lower limit:230,240,250 upper limit:239,249,259 Mid Value:234.5,244.5,254.5

Jimmy measured four pieces of wood . Their measures are 4.2ft , 9/2 ft, 4.2ft, and 4 2/9 . What is the length of the shortest piece ?

Is this correct? What are the three continents with the largest land areas in the world? Asia Africa and north america

Is Lima, the capital of Peru, east or west of the 80 degrees west line of longitude? Is this correct? East?

A car showroom had 10y cars, 20y motorcycles and 18 vans. In a particular month, 4y cars , 3y motorcycles and 15 vans were sold. a.) Find the total number of wheels on the remaining vehicles in terms of x. b.) If y=21, how many wheels were there? An indoo...

Is this correct? In pea plants, the allele for green pods is G. The allele for yellow pods is g. In the offspring 27 (75 percent) had green pods and 9 (25 percent) had yellow pods. What are the parents genotypes? How do you know? The parents genotypes are...

1.What was the new deal's legacy? 2. new measures were taken during the new deal and what agencies were formed?

A 1.0cm wide diffraction grating has 1000slits. It is illuminated by light of wavelength 550nm. What are the angles of the first two diffraction orders?

How do I figure out the problem below? (4-1)x ____ = 3x7 ??

I am doing a project on the planet uranus and I need a map showiong the path to my planet that i have chosen. The picture of the path must include asteroids, comets or other interesting objects. I am having so much trouble looking for such a picture. I ha...

I re-posted this question because noone helped and I need help fast! I am doing a project on the planet uranus and I need a map showiong the path to my planet that i have chosen. The picture of the path must include asteroids, comets or other interesting...

I am writing a postcard to my friend saying i went on a trip to the country guadeloupe, this is my letter in english and can you please check if i translated it properly into french, thanks :) Hello Louis. I am visiting the country Guadeloupe and I love i...

I posted this again because i really need help fast!! I am writing a postcard to my friend saying i went on a trip to the country guadeloupe, this is my letter in english and can you please check if i translated it properly into french, thanks :) Hello Lo...

When the angle of elevation of the sin55 a tower cast a shadow 20m long. Find the height of the tower

An observer on top of a cliff 25m above sea level views a boat on the sea at an angle of depression of 35. How far is the boat from the foot of the cliff?

The sides of a triangle are of lenths x*-y*, x*+y* and 2xy units respectively. Prove that the triangle is a right angled triangle

Find the solution set of the equation {x^2+y^2=34 {x+y=2

Find the solution set of the equation {x^2+y^2=34 {x+y=2

Find the solution set of the equation {x^2+y^2=34 {x+y=2

Find the solution set of the equation {x^2+y^2=34 {x+y=2

Suppose a large-scale randomized experiment were conducted to compare two weight loss plans. At the end of the experiment, the weight loss for each subject (in pounds) was recorded. The p-value turned out to be .004, and a 99% confidence interval for the...

A poorly tuned Prius can accelerate from rest to a speed of 28 m/s in 20s. a) what is the average acceleration of the car? my answer is 1.4 b) Find its displacement in this time. my answer = 280 Can anyone verify this please?

The driver of a Cadillac is traveling at a constant 60mi/hr. A police car is 20m behind the perpetrator when it too reaches 60 mi/hr and at that moment the officer floors the gas pedal. If the police car roars up to the rear of the Cadillac 2.0s later wha...

Which is the best way to clarify the sentence "The few arguments against pet ownership scarely need to be mentioned"? A. Most people favor pet ownership, but the author believes that the arguments against it are strong. B. Few people can provide reasons n...

Directions: Decide whether the statements are true or false by using partial fraction decomposition. If the statement is false, show the correct way to decompose the partial fraction. 3/x^2+x-2=-1/x+2+1/x-1

Suppose there is a 11.2% probability that a randomly selected person is aged 20 years or older and is also a jogger. In addition there is a 23.8% chance that a person is 20 years or older, female, given that he or she also jogs. What is the probability a...

Simplify the expression. 1/2(6x-8)-(5x-3) a)3x-4 b)-3x-8 c)-2x-5 d)-2x-1 Thanks!

For ABO blood groups in the humans, the A and B genes are codminant. Both A and B are dominant over O a. Identify the possible blood types in the children of a man with blood type O and a woman with blood type AB. My work: The possible blood types that th...

A recessive sex-linked allele (h) located on the X chromosome increases blood-clotting time, causing hemophilia. a. With the aid of a Punnet square explain how hemophilic offspring can be born to normal parents? My work: Hemophilic offspring could be born...

Tay-Sachs disease is a hereditary disease that kills 1 in 360,000 individuals in the general population. Individuals homozygous for the defective allele have Tay-Sachs disease and die at an early age.Studies show that heterozygous individuals have a highe...

What's the rule for 1 & 8,2 & 13,3 & 18 and b

When a 3-digit number is divided by a 2-digit number, the quotient is between 5 and 6. What are the numbers using only 8 1 4 7 3?

People filled all the seats in the front section of the theater the front section has 6 rows with 40 seats in each row how many people are in the front section of the theater?

In the 5th Wave by Rick Yancey, what happens to Grace? Grace used to be the Silencer Evan Walker's friend.

Did the Punic wars help Rome expand or just Roman trade or both? Please help...

as a result of the punic wars, rome's navy became? can someone give me something besides a wikipedia because I already read those

In Rome, If there were a crisis, the consuls could appoint who?

In order to protect Rome against German invaders, it was? Please don't link me to wikipedia...

What is the absolute value of the average January low temperature

Next number in this sequence: -2, 0, 7, 22, 48?

Louisa has many marbles in a bag. When she counted them by twos, threes, fours, fives, sizes, sevens, eights, nines and tens there was always one left over. What was the smallest number of marbles Louisa could have had in her bag?

4. A rectangular enclosure is formed by using 800m of fencing. Find the greatest possible area that can be enclosed in this way and the corresponding dimensions of the rectangle.

The size of a parcel despatched through the post used to be limited by the fact that the sum of its length and girth (perimeter of the cross section) must not exceed 6 feet. What was the volume of the largest parcel of square cross- section which was acce...

What is 0.554 rounding to nearest tenths ones hundredths and 8.497

How much work is done in moving a 25lb. load a distance of 7 feet?

6 black counters and 4 white counters in bag A. 7 black counters and 3 white counters in bag B. 5 black counters and 5 white counters in bag C. Tarek takes at random a counter from bag A and puts the counter in bag B. He then takes at random a counter fro...

The combustion of ethane produces carbon dioxide and water. If 27.6 g C2H6 are burned in the presence of excess air (O2) and 76.7 g of carbon dioxide are produced, what is the percent yield?

Write 4/27(2^((3+m)/3)+2^(m/3)^3 as a power of 2

Sorry for the repost, there was a mistake with the bracketing in the last one. Write (4/27)(2^((3+m)/3)+2^(m/3))^3 as a power of 2, show your work.

A 2 digit number is seven times the sum of its digits. The tens digit is 3 more than the units digit. what is the number?

Max is 5 years older than Pauline. Next year he will be twice as old as she will be. How old is each now?

Gloria is 20 years older than Reggie.Five years ago she was five times as old as he was. How old is each now?

Thendmonimator of a fraction is 1 more than the numerator. If the numerator is decreased by 1, the value of the resulting fraction is 3/4. What is the original fraction?

The sum of the digits of a two-digit number is 11. If the digits are reversed, the number is increased by 45. Find the original number

Ruth is twice as old as Pat. In 4 years ruth will be three times as old as Pat was 3 years ago. How old is each now?

The sum of the digits of a two-digit number is 13. If the digits are reversed, the new number is 9 more than the original number. Find the original number

Don is 21 years older than Betty. In six year Don will be twice as old as Betty. How old is each now?

How to pick lottery nos

Answers

The following answers were posted by visitors named Alexander.

haha yes. the scarlet letter has got to be THE most boring book ever writen

yes, that is the correct answer. i need free homework help ASAP. (x - 6y) (x + 3y) x^2 + 3xy - 6xy - 18y^2 x^2 - 3xy - 18y^2 correct! So can you get my free homework help please? in exchange for me helping you with your problem

To vanessa, why would it be tan, when the 12.5 is the hypotenuse because the way you formulated is saying that 12.5 is x.

there is 28 students 2 Teachers and 12 extra guests, 28+2+12=42 People are there They need 3 pizza slices each. 42*3=126 pizza slices are needed. A pizza cane only be cut in 10 slices so 126/10=12.6 So u need 13 pizzas

Could you expand more on the answer anoymomous?

3+((x-3)/4)*3=Total Miles Fill in X with number of days in month

3+((x-3)/4)*3=Total Miles Fill in X with number of days in month

how do you get 0.014 ? i seem to be getting another answer

Hello Can someone in here help me with my spanish homework? It's only 100 words

I know that it is polk-a-dotted but in what colors?

I need answer concrete

well i guess there is no such path on images, but thanks Ms.Sue for trying

A sum of £12,000 is invested for 5 years at an interest rate of 3.5% compounded annually. Calculate the value of the investment after 5 years.

35/4=x/2, then cross multiplication, 35 by2 and x by 4 then it will be 4x divide by 70 which is = to 17.5

I'm creating an intro for an essay with an assigned topic. My teacher marked what I wrote and said 'Too similar to your assigned thesis' and they also wrote 'your thesis must not be altered from what was assigned. What do I do?

Well the way the problem was on my paper, it doesn't have parenthesis so I wasn't sure if I should add them, sorry. (3)/(x^2)+(x-2)=(-1)/(x+2)+(1)/(x-1)

The molar mass of water is 18.0 g/mol. 1255 g H2O x (1 mol / 18.0 g) = 69.7 mol H2O 69.7 mol H2O x (- 40.7 kJ/mol) = - 2840 kJ The negative sign shows that heat is given off.

Oh btw i think that it is D.

So would the female offspring develop hemophilia?

Are any of y'all at connections academy

13 choose 9 13!/(9!*4!)

I got the question, never mind.

Try making a chart

Where do you go from there? I you plug that in for B you just get 0=0.

What grade are you in?

Okay I will check this

So what is 200 divided by 21

I cannot tell you the answer but, what is 200 divided by 21

Okay I'm just gonna take some time to check this okay.

This is a bit confusing ask Mrs.Sue for help.

Solar is the answer

the only other i would guess would be A...

wait never mind it is a,b and d...

oh wait XD yeah duh, so its a, b ad c

Chara is right! I got 4/4

Thank you Paris! 4/4 100%

@starkiller, it is invalid of you to lie. I am not saying I cheated, I simply am saying that, from checking my own answers, and I did indeed come here to check them, you are incorrect. After turning in my assessment, ya yeet is indeed correct.

If I am not mistaken, the answer is: B) Each body cell contains the same number and kinds of chromosome for that organism. The chromosomes contain the same number and kinds of genes for that individual.

type this in onto a graphing calculator

file:///C:/Users/steph/AppData/Local/Packages/Microsoft.MicrosoftEdge_8wekyb3d8bbwe/TempState/Downloads/ARA%20U8%20Portfolio%20Final%20(2).pdf Here I think this will help.

WRONG! Here are all the right answers to the test for connexus: 1. C 2. B 3. A 4. B 5. A 6. D 7. B 8. C 9. D 10. D 11. A 12. A 13. B 14. D 15. D 16. D 17. B 18. B 19. A 20. D 21.B 22. Essay 23. Essay

I failed miserably. I am so disappointed.

Thank you so much

U={80} 5 more than twice of the number of hockey players plays football. Let the hockey players(H) be X Football players(F) be 2X+5 To find X 2X+5=FnH'+15. Equation1 X=HnF'+15. Equation2 80=(2X+5-15)+15+(X-15) X=30 From here substitute X into equation1 an...

Hot dog buns come in packages of 8. Mrs. Wilson has a total of 40 hot dog buns. Draw a picture to find how many packages of hot dog buns Mrs. Wilson has.

it suppose to be a homework help page no?

Typically people would get numeric values for these types of questions. If you were to do the math on the calculator correctly you should get Syntax Error. It seems odd but i put that on all my tests and my teachers call my parents to let them know how go...

Correct this helped me in my assignment

Pls help me answer this question

Given: Volume of container = 1 L = 1000 cm3 = 1 x 103 cm3 since 1 m = 100 cm then 1 m3 = 1,000,000 cm3 = 1 x 106 cm3 thus 1 L = 1 x 10-3 m3 density of water = 1 x 103 kg/m3 Solution: Volume of container = volume of water displaced = 1 x 10-6 m3 Weight of...

aye cheer up to your questions

I think it is A or D

I know the pressure on both pistons must be the same, but I am finding it a bit challenging to find the weight of the car and the right piston separately.

C is the answer

How do electromagnets cause a maglev train to levitate above the track?

Came here for answers only to find jack sh**

Bot that's not right

Bot it's still not right

Bot, still wrong

Bot it's still wrong

Find the volume of the cylinder, in cubic centimeters. Use 3.14 for pi. Round your answer to the nearest tenth.

Bot it's still wrong

Particles in a solid are packed tightly. True – Particles in a solid are packed tightly. False – Particles in a solid are packed tightly. Particles in a solid have thermal energy. True – Particles in a solid have thermal energy. False – Particles in a sol...

Which of the following is a limitation of scientific models?(1 point) Responses They are too simple to represent complex phenomena They are too simple to represent complex phenomena They are always 100% accurate in their predictions They are always 100% a...

How are scientific theories different from scientific laws?(1 point) Responses Theories are based on facts, while laws are based on opinions. Theories are based on facts, while laws are based on opinions. Theories are explanations, while laws are mathemat...

How does mass differ from weight?(1 point) Responses Mass is a measure of the force of gravity on an object, while weight is the amount of matter in an object. Mass is a measure of the force of gravity on an object, while weight is the amount of matter in...

A block of wood floats in water. Which of the following statements is correct?(1 point) Responses The wood has a higher density than water The wood has a higher density than water The wood has a lower density than water The wood has a lower density than w...

Which of the following is an example of a mixture?(1 point) Responses Water Water Salt Salt Oxygen Gas Oxygen Gas Air Air