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Mary

Questions and answers by visitors named Mary

Questions (2,154)

If (x+1)1/2x and (x-5) are the 1st three term of a linear sequence find their common different.
1. 4 answers
2. asked by Mary
3. 1,056 views
What is the molar concentration of K4Fe(CN)6 solution if 40 ml were used to titrate 150 mg of Zn ( that are dissolved ) forming
1. 4 answers
2. 1,302 views
These are all the questions I missed on my practice quizzes, however I was never given the correct answers. I was hoping someone
1. 4 answers
2. 1,934 views
At the same time that a 60-foot tall building casts a shadow that is 21.5 feet long, a nearby tree casts a shadow that is 18
1. 5 answers
2. asked by Mary
3. 8,293 views
Does anyone what this answer:Southeast Asia at Work Test 1. Place the countries in the most fully democratic (top) to the least
1. 6 answers
2. 2,805 views
What similarities do the two animals in the fossil record share with modern animals?
1. 3 answers
2. asked by Mary
3. 10,717 views
The angular speed of a larger pulley wheel (radius=15cm) is 50 rev./min. Find the angular speed of the smaller wheel
1. 4 answers
2. 1,475 views
Cheetah mothers perform a number of different behaviors. They and their cubs stay in one place for only four days, moving on
1. 13 answers
2. 5,898 views
If an element has an atomic number of 10, how many electrons are in its outermost shell?a). 5 b). 10 c). 8 d). 2 e). The answer
1. 6 answers
2. 2,644 views
A light string that is attached to a large block of mass 4m passes over a pulley with negligible rotational inertia and is
1. 4 answers
2. 4,917 views
The surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width 3 inches. Find the height.
1. 4 answers
2. 2,206 views
Given trapezoid WXYZ, find the ratio of the areas of each pair of triangles:WYX and XYZ WXZ and WXY
1. 3 answers
2. 1,189 views
A car of mass 400kg starts from rest and attains a velocity of 30m/s in 5s(i) find its acceleration (ii)calculate the resultant
1. 2 answers
2. 204 views
If mAB = 324 feet, mBC = 103 feet, and mCD = 212 feet, what is the distance across the pond?
1. 4 answers
2. 1,043 views
What are some common ways you can reuse and recycle waste materials in your own household?
1. 2 answers
2. 3,666 views
At a low point in its swing, a pendulum bob with a mass of 0.2kg has a velocity of 4m/s. Ignoring air resistance, how high will
1. 4 answers
2. 4,390 views
The "karat" is a dimensionless unit that is used to indicate the proportion of gold in a gold-containing alloy. An alloy that is
1. 2 answers
2. 1,744 views
Three moles of an ideal monatomic gas are at a temperature of 345 K. Then, 2531 J of heat are added to the gas, and 1101 J of
1. 3 answers
2. 2,767 views
the solubility of AgCl in HCl isa. low, as Cl- ions cause an equilibrium shift towards the solid form b. low, as Ag+ has already
1. 3 answers
2. 1,494 views
The question is:A small block of ice at 0oC is subjected to 10 g of 100oC steam and melts completely. Show that the mass of the
1. 5 answers
2. 2,661 views
How much heat is given up when 20 g of steam at 100 deg C is condensed and cooled to 20 deg.C?
1. 4 answers
2. 3,596 views
What is the mass (in g) of 4.65x10^22 molecules of P4O10? ( I already calculated it and the answer is 0.1 grams of P4O10.) How
1. 5 answers
2. 4,833 views
The hammer throw is a track-and-field event in which a 7.30-kg ball (the hammer) is whirled around in a circle several times and
1. 4 answers
2. 5,416 views
Part A:A cardinal (Richmondena cardinalis) of mass 4.50×10^−2 kg and a baseball of mass 0.142 kg have the same kinetic
1. 4 answers
2. 4,420 views
Can you help me with the final check:Relating to Parents chapter 17
1. 7 answers
2. 10,062 views
Select the clause from the drop-down menu to correctly punctuate this sentence.Of all the sitters we called, only the one ? ?
1. 5 answers
2. 1,477 views
Please check my answers (and give correct ones) I tend to make dumb mistakes so I'm trying to work on that (sorry in advance)
1. 4 answers
2. 2,005 views
Can someone please help?Identify the correct sentence. Question 24 options: A) Not far from the studio is an Italian restaurant,
1. 4 answers
2. 4,597 views
How much does it cost to operate a 28-W porch light for 24 h if electric energy costs 8¢/ kWh .
1. 5 answers
2. 1,026 views
1/2 of a rectangle is painted red. 2/3 of the remainder is painted blue and the rest of the rectangle is painted yellow. What
1. 4 answers
2. 919 views
Potassium has atomic number of 19.Give three deductions which can be made from this statement
1. 4 answers
2. 489 views
50 children have a choice of beans, plantain and rice. 21 of them took beans, 24 took plantains and 18 took rice, 3 took beans
1. 12 answers
2. 1,733 views
Why did conflict erupt between President Johnson and Congress after Lincoln'sassassination? A. Southern Congressmen agreed with
1. 3 answers
2. 681 views
1)In a botanical experiment the lengths of 60 leaves of a certain type of a tree were measured correct to the nearest 0.1cm.a)St
1. 2 answers
2. 143 views
I am doing my science 10 by correspondence and I came upon a question that puzzles me. Why are modern light microscopes called
1. 1 answer
2. 663 views
I was given a question of "The ollowing apperatua was set up and left undisterbed for 24 hours. After this time, a change had
1. 1 answer
2. 617 views
Romeo and Juliet, Compare and Contrast ... For this purpose, contrast means to state and explain the differences between or
1. 2 answers
2. 1,096 views
1. Which of the following frequencies falls in the range of RF wavws used by commerical radio broadcasting stationsa. .60 HZ b.
1. 1 answer
2. 873 views
.What can you eat?a.una manzana b. un cuento c.una fiecha d.un bosque 2.Which of the following is a person? a.arbol b. chimenea
1. 1 answer
2. 766 views
Is there an easy explanation of implicit differentiation? Where do I start to solve y" given1) x+xy=y=2 2) x^3-3xy+y^3 Please
1. 1 answer
2. 430 views
What is the frequency of a photon resulting from the transition ofn=6 -->n=1? for what atom. H? U? Na? If for H, use one of the
1. 1 answer
2. 672 views
Ionization energy is defined as the minimum energy required to remove an electron from the ground state (n0) to infinity (n∞).
1. 2 answers
2. 1,260 views
λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value
1. 2 answers
2. 1,021 views
λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value
1. 1 answer
2. 753 views
What do you call Ignous rocks that form under the surface?Mary, igneous rocks are called fire rocks-underground,they are formed
1. 1 answer
2. 542 views
Please let me know if I'm on the right track.Probability of Computer Failures. A PC World survey of 4000 personal computer
1. 1 answer
2. 643 views
Demand is given by Q=9-P. If price is $4, what is the consumer surplus from the third unit of the good?Consumer surplus is the
1. 1 answer
2. 559 views
I need to describe my product. I have a pretend shoe business that I to do for my business class. What exactly I need to do is
1. 1 answer
2. 424 views
What is the energy from a hollow cylinder of surface charge density sigma, radius R and charge q?Energy? DO you mean E, the
1. 1 answer
2. 644 views
I need to find a six letter word made from the letters in the word favorite. There can be no repetition of the letters.FAITOR
1. 1 answer
2. 794 views
What is the denominator of 13/107 in simplest form?PLz help!I think its just 107 Thanx dude! no problem does 13( a prime number)
1. 3 answers
2. 689 views
9 is the GCF of 18 and this 2 digit number between 50 and 60.What is it?what number between 50 and 60 is divisible by 9? (hint:
1. 1 answer
2. 403 views
The square of the least 2 digit prime number.What is it?the least two digit prime number is 11. square that and you have your
1. 1 answer
2. 386 views
4. Write the equation of a line whose slope is 6 and whose y intercept is -3.The answer would be y=6x-3 This is the y-intercept
1. 1 answer
2. 560 views
Could someone please check this and let me know if I'm doing it correctly?Sammy and Sally each carry a bag containing banana,
1. 2 answers
2. 633 views
Im not sure how to start here. Please help.The age distribution of students at a community college is given below. Age (years)
1. 1 answer
2. 553 views
This is an example question, but I'm not sure how my instructor came up with the answer. Could anyone explain in detail please.A
1. 1 answer
2. 638 views
Find the conditional probability. Suppose one card is selected at random from an ordinary deck of 52 playing cards.Let A = event
1. 1 answer
2. 616 views
Can self assembly of macromolecules occur in vivo?I think it does occur. DNA, RNA, polypeptides, etc.
1. 1 answer
2. 1,027 views
I need to write a paragraph on Identifying the demographics and characteristics of my customer( or consumer). What the customer
1. 1 answer
2. 458 views
I need to write a paragraph on Identifying the demographics and characteristics of my customer( or consumer). What the customer
1. 1 answer
2. 452 views
Suppose that your state raises its sales tax from 5 percent to 6 percent. The state revenue commissioner forecasts a 20 percent
1. 3 answers
2. 906 views
Everyone is still "reeling" over the comments made by Comedian Michael Richards but----Is it MATHEMATICALLY possible to be a
1. 1 answer
2. 422 views
What methods can a writer use to get the reader to respond favorabily to a request?Appeal to their emotions. Make them believe
1. 1 answer
2. 464 views
I was told that at one time the superlative "worst" was not correct. It used to be "bad worse worse"rather than "bad worse
1. 1 answer
2. 982 views
In modern English, the comparative/superlative for the word "bad" is indicated as worse/worst.A number of years ago, it was
1. 1 answer
2. 687 views
The rates of on time flights for commercial jets are continuously tracked by the US Department of Transportation. Recently,
1. 3 answers
2. 3,598 views
Please help..Find the probability of getting 2 hearts if the cards are drawn from a regular deck and the first card is not
1. 1 answer
2. 399 views
Please help.Find the probability of getting 2 hearts if the cards are drawn from a regular deck and the first card is not
1. 1 answer
2. 683 views
Assume that the cure rate for a certain drug is 20% and that 15 patients are tested with this drug. Find the following:a) Mean
1. 1 answer
2. 517 views
A highly polished block of wood is given a push that sets it sliding across a polished floor.a) what path does it take? b) why
1. 2 answers
2. 558 views
Write a polynomial function in standard form with the given zeroes:x=-1/2, 0, 4 My equation is p(x)=x(2x+1)(x+0)(x-4) Is that
1. 1 answer
2. 547 views
Find X43x^3+13x^2+18x = 456 2x(3x+2)^2 = 312
1. 1 answer
2. 406 views
The definition of pH is:pH = -log 10[H^+] what is the defintion of the [OH^-]... is it pOH = -log 10[OH^-]? Yes!! pH = -
1. 1 answer
2. 717 views
Please help me with this question....The isotope caesium-137, which has a half-life of 30 years, is a product of nuclear power
1. 1 answer
2. 538 views
On Monday you helped me to understand and answer the one question, but I am not too sure if they want all the calculations that
1. 1 answer
2. 566 views
Al^3+ forms a complex ALSO4+ in the presence of sulfate...Al^3+ + SO4^2- = AlSO4+ with Kstab = 10^3.01 How many ppm Al(total)
1. 1 answer
2. 484 views
Al^3+ forms a complex ALSO4+ in the presence of sulfate...Al^3+ + SO4^2- = AlSO4+ with Kstab = 10^3.01 How many ppm Al(total)
1. 1 answer
2. 477 views
What is meant by the directionality of a spontaneous reaction?I haven't heard of the term but I assume it means the direction in
1. 1 answer
2. 514 views
I've posted this question now three times and no one has responded. I first posted it Sunday 2/11 at 1 pm. Meanwhile, other
1. 1 answer
2. 517 views
Given:Al^3+ forms a complex ALSO4+ in the presence of sulfate... Al^3+ + SO4^2- = AlSO4+ with Kstab = 10^3.01 Question: How many
1. 1 answer
2. 490 views
I need help!!!!I have a paper entitled Study Guide and Intervention: Multiplying and dividing Rational expressions? I don't get
1. 1 answer
2. 462 views
Given:Al^3+ forms a complex ALSO4+ in the presence of sulfate... Al^3+ + SO4^2- = AlSO4+ with Kstab = 10^3.01 Question: How many
1. 1 answer
2. 638 views
For the normal force in Figure 5.21 to have the same magnitude at all points on the vertical track, the stunt driver must adjust
1. 4 answers
2. 8,611 views
An object, after being released from its circular path, travels the distance OA in the same time it would have moved from O to P
1. 1 answer
2. 898 views
A basketball player makes a jump shot. The 0.700 kg ball is released at a height of 2.10 m above the floor with a speed of 7.30
1. 1 answer
2. 454 views
A person is making homemade ice cream. She exerts a force of magnitude 17 N on the free end of the crank handle, and this end
1. 3 answers
2. 2,356 views
The drawing shows a skateboarder moving at v = 5 m/s along a horizontal section of a track that is slanted upward by 48° above
1. 2 answers
2. 785 views
The book had some nice features, such as: a hard-bound cover, a ribbon for a bookmark, and the author's signature.The only error
1. 2 answers
2. 529 views
A power boat of mass 475 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 770 N. The
1. 1 answer
2. 501 views
A cable lifts a 1370 kg elevator at a constant velocity for a distance of 42 m. What is the work done by each of the following?(
1. 3 answers
2. 836 views
A cable lifts a 1370 kg elevator at a constant velocity for a distance of 42 m. What is the work done by the elevator's weight?T
1. 1 answer
2. 554 views
A shot-putter puts a shot (weight = 70.1 N) that leaves his hand at distance of 1.53 m above the ground.(a) Find the work done
1. 3 answers
2. 873 views
a skateboarder moving at v = 5 m/s along a horizontal section of a track that is slanted upward by 48° above the horizontal at
1. 1 answer
2. 512 views
DrBob222 please check my physics question posted at 8:55pm. The subject is drwl please check. I am not getting a response from
1. 1 answer
2. 666 views
I had ask this question of you before but I didn't understand your response. Can you please clearify further. The question is:a
1. 1 answer
2. 456 views
The drawing shows a plane diving towards the ground and then climbing back upward. During each of these motions, the lift force
1. 3 answers
2. 1,718 views
a skateboarder moving at v = 5 m/s along a horizontal section of a track that is slanted upward by 48° above the horizontal at
1. 3 answers
2. 607 views
The drawing shows a skateboarder moving at v = 5 m/s along a horizontal section of a track that is slanted upward by 48° above
1. 1 answer
2. 810 views
A 59.5 kg person, running horizontally with a velocity of +3.90 m/s, jumps onto a 12.2 kg sled that is initially at rest.(a)
1. 1 answer
2. 699 views

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