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Lana

Questions and answers by Lana

Questions (106)

Find the sum of the 50 greatest negative integers.I'm supposed to find a, d, and t(at)n, but I'm not sure which is which. I
1. 4 answers
2. 1,657 views
Complete the mass balance expression for a saturated solution of Ag2CO3. Note at least one blank is a numeric coefficient.
1. 4 answers
2. asked by Lana
3. 8,522 views
Can you help me with this question?The determinant of total energy requirement that may most appropriately be manipulated in a
1. 1 answer
2. 550 views
I posted this question yesterday and Igot confused. The determinant of total energy requirement that may most appropriately be
1. 1 answer
2. 806 views
Flannel board stories encourage which of the language arts skills more than any other skills?listening,writing, speaking or
1. 3 answers
2. 686 views
I'm trying to help my daughter that is in the 6th grade, but I have no idea what a variable is, please advise.
1. 3 answers
2. 358 views
-8a+6(a+7)=1
1. 1 answer
2. 261 views
A company made 34,000.00 in 2007.This company made 32,500.00 in 2008. What is the percentage of the difference. The difference
1. 2 answers
2. 221 views
What is the resistance of a coffee maker that draws a current of 5.0A from 117V source?What resistance would have to be added in
1. 7 answers
2. 1,355 views
Describe two advantages and one disadvantage of using high-voltage power fro tranmission lines.I honestly have no idea and could
1. 5 answers
2. 361 views
A copper wire with a criss section of 5 mm^2 and 2 km long has an effective resistance of 2Ohms.a) Find the power lost in this
1. 4 answers
2. 514 views
what does x equal?(2x+3)+(4x-7)
1. 3 answers
2. 244 views
How would you put this in your own words. I'm having some trouble can you please help me out. Organs that are grown from stem
1. 5 answers
2. 1,041 views
What components make up lithium?
1. 2 answers
2. 619 views
A charged particle moves at a constant velocity in a straight line through a region in space...a) is the electric field zero in
1. 1 answer
2. 1,019 views
When first discovered alpha, beta, and gamma radioactivity were referred to as alpha rays, beta rays, and gamma rays. Now we
1. 4 answers
2. 660 views
3X+3=3
1. 5 answers
2. 472 views
I posted this problem last night and someone answered. I followed all the steps that this person told me to do and I don't get
1. 3 answers
2. 650 views
A coffee shop mixes French roast coffee worth $9 per pound with Kona coffee worth $4 per pound. How much of each type of coffee
1. 1 answer
2. 647 views
how do i solveseparable differential equation7x−4y sqrt(x^2+1) dxdy=0 Subject to the initial condition: y(0)=−10
1. 3 answers
2. 593 views
If sinx=3/4, with x in quadrant II, then determine the value of sin 2x
1. 4 answers
2. 997 views
I'm writing my english on theme for a certain novel. What would be a good topic sentence to start my introduction off with?
1. 1 answer
2. 470 views
provide an example of how one domain of development impacts the other one
1. 1 answer
2. 391 views
6|4p+2|-8<34 please help solve this.
1. 4 answers
2. 458 views
I wanted to know what is Walmart Internal Consistency ?Employee's goal that work in walmart Employer's goal ( walmart)
1. 2 answers
2. 713 views
tan theta= -4/3 and sec theta<0 find sin (theta = pi/6)
1. 2 answers
2. 518 views
I need help with a Matrix Algebra problemA small school has 100 students who occupy three classrooms A, B, and C. After the
1. 5 answers
2. 4,042 views
I am having such a hard time approaching this problem. It would be great if you can help me.1.0 mole of CH4 react with 1.0 mole
1. 1 answer
2. 622 views
I am having such a hard time approaching this problem. It would be great if you can help me.1.0 mole of CH4 react with 1.0 mole
1. 3 answers
2. 697 views
The alcohol in gasohol burns according to the reactionC2H5OH(l) + 3O2(g) --> 2CO2(g) + 3H2O how many grams of water are produced
1. 2 answers
2. 1,277 views
A 50.0 mL sample containing Cd2 and Mn2 was treated with 58.7 mL of 0.0500 M EDTA. Titration of the excess unreacted EDTA
1. 2 answers
2. 528 views
a .2280g sample contained only NaCl and KBr. it was dissolved in water and titrated with a 0.04799M of AgNO3. complete titration
1. 2 answers
2. 542 views
for a .001M solution of methionine:a) calculate the isoelectric pH b) calculate the isoionic pH
1. 2 answers
2. 1,070 views
50 ml of a .1103M solution of formic acid is titrated with a .2511M NaOH.a) What is the pH before and NaOH is added? b) How many
1. 2 answers
2. 574 views
1L of a .2M solution of Ethanoic acid is altered by adding 5.00g of sodium butanoate. what is the pH of the new solution
1. 1 answer
2. 335 views
1L of a .2M solution of butanoic acid is altered by adding 5.00g of sodium butanoate. what is the pH of the new solution?
1. 1 answer
2. 362 views
A 1.147 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl
1. 2 answers
2. 526 views
A current of 3.04 A is passed through a Cr(NO3)2 solution for 1.80 hours. How much chromium is plated out of the solution?
1. 4 answers
2. 1,293 views
Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00 M
1. 3 answers
2. 1,620 views
Solve the following system:4x-y+z=6 2x+y+2z=3 3x-2y+z=3 Find the values for x, y, and z
1. 1 answer
2. 444 views
Balance the following redox reaction.MnO4 (aq) + Fe (s) --> Mn2+ (aq) +Fe2+ (aq)
1. 5 answers
2. 5,588 views
write a balanced net ionic equation for the overall reaction represented by the cell notation below.Pt/ Fe2+, Fe3+ // I-/AgI/Ag
1. 4 answers
2. 3,687 views
Calculate Ecell forthe following electrochemical cell at 25 CPt(s) |H2(g, 1.00 bar) |H + (aq, 1.00 M) || Pb2+(aq, 0.150 M) |
1. 2 answers
2. 1,221 views
Find the amount in each case.8% is 56 kg.
1. 2 answers
2. 952 views
balance the net ionic equation for the overall reaction.Pt | Fe2+(aq), Fe3+(aq) || I-(aq) | AgI(s) | Ag(s) a) Fe3+(aq) + Ag(s) +
1. 2 answers
2. 1,008 views
A certain weak base has a Kb of 7.80 × 10-7. What concentration of this base will produce a pH of 10.17?
1. 4 answers
2. 1,414 views
common pathways for food and air are the (1), which connects to the mouth, and (2), which connects to the larynx. Epithelium in
1. 4 answers
2. 2,309 views
2. If Congress has determined that the budget will not be completed by September 30, it should _____.prepare appropriations
1. 4 answers
2. 1,169 views
None of these seem to be right? I literally am so confused by the way they set up each one. Shouldnt it be unemployed /labor
1. 2 answers
2. 938 views
7. The goal of the European Union is to _____.outdo the United States as an international trading nation coordinate tariffs
1. 5 answers
2. 2,143 views
Help! which one?!8. All of the following are types of foreign direct investment (FDI) except _____. a foreign company merges
1. 1 answer
2. 1,286 views
Is it B? What is the main idea of the story of Morte d’Arthur by Sir Thomas Malory?King Arthur creates the ideal kingdom of
1. 4 answers
2. 2,175 views
How would you find the answer to this?Assume that two two-by-two source rasters contain the following values: Raster 1: 7 14 10
1. 1 answer
2. 443 views
Our trip lasted for 12 days we arrived Sunday July 1 and left on Thursday July 12th where we stayed everyday something went
1. 2 answers
2. 606 views
Write an equation for the line in slope intercept formSlope:-2 passing through (-2,8)
1. 4 answers
2. 2,487 views
A class 4 truck weighs between 14,000 and 16,000 pounds. What is the weight range in tons? b. If the weight of. Class 4 truck is
1. 12 answers
2. 1,945 views
What are the conditions of China's economy in transition these past few years? How does it benefit(or harm) the country
1. 4 answers
2. 625 views
Big picture of natural selection/ keep in mind…Natural selection doesn’t move in a BLANK BLANK Natural selection is not a
1. 2 answers
2. 1,036 views
EVOLUTION(fill in the blanks) Natural selection is the BLANK for evolution As a result of natural selection, organisms with more
1. 4 answers
2. 2,214 views
the base of a cylinder is a right triangle topped by a 60 degrees sector of a circle, as shown. if the dimensions are in meters
1. 2 answers
2. 786 views
A 15 g bullet is fired with a velocity of 200m/s from a 6kg rifle. What is the recoil velocity of the rifle?
1. 3 answers
2. 1,575 views
How do nucleotides and hydrogen bonds affect the structure of DNA?Maybe something like nucleotides make up DNA and hydrogen
1. 3 answers
2. 1,263 views
prove sin2x+cos2x+1 tan(pi/4+x)______________ = __________ sin2x+cos2x-1 tanx so what I did tan(x)
1. 3 answers
2. 669 views
A car is traveling at 65 km/hr. The brakes are applied and the car stops in 3 seconds. What is the car's acceleration?
1. 2 answers
2. 537 views
In February, you have a balance of $80 in your bank account. Each month you deposit $20. Let January = 1, February = 2, and so
1. 3 answers
2. 672 views
1 from details about blossom in both the first and third haika ,what conclusion can you drawa. the poet feels exeed ingly lonely
1. 19 answers
2. 2,646 views
Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to
1. 3 answers
2. 1,094 views
Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to
1. 3 answers
2. 1,786 views
Identify the sampling method.You want to determine the number of text messages students at your school send in a month. You go
1. 2 answers
2. 961 views
1. If you flip a fair coin 10 times, what is the probability ofa) getting all tails Is it 1/1024? b) getting all heads Is it
1. 5 answers
2. 5,633 views
Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to
1. 4 answers
2. 2,361 views
Write a balanced chemical equation and determine the enthalpy of combustion for carbon in the diamond allotropic form.Is this
1. 1 answer
2. 472 views
A 15.00 g chunk of lustrous silver metal is heated to 50.0 degrees C and is then placed in a coffee cup calorimeter containing
1. 2 answers
2. 483 views
Calculate the average kinetic energy of 1 mol of hydrogen molecules and of 1 mol of sulfur hexafluoride molecules at 25 degrees
1. 2 answers
2. 522 views
Identify the independent clause in the following sentence:Before electric lighting was invented, people used candles to light
1. 6 answers
2. 919 views
What is the prefix, suffix, and root for slavery?No prefix Suffix-ery or ry? Root- slave Is my suffix correct, if yes what is
1. 3 answers
2. 2,342 views
What are the main parts of the prefrontal cortex?
1. 2 answers
2. 490 views
In YEAR 1, the price of gadgets is $2, while the price of the single variable input used is $28.A profit-maximizing gadget
1. 2 answers
2. 589 views
which of the following is necessary to propose a new amendment to the Constitutiona. approve by a popular vote held in every
1. 4 answers
2. 1,418 views
I've been stuck on this questions for 2 daysA 7.2-kg bowling ball traveling at a speed of 3.5 m/s collides with a 1.2-kg bowling
1. 3 answers
2. 1,726 views
A 59.6 g box is left 17.5 cm from the centre of a merry-go-round. If the box has coefficients of friction of μs = 0.790 and μk
1. 2 answers
2. 529 views
7×5
1. 1 answer
2. 229 views
A rectangle has a width of 10 in and a length of 12 in. A similar rectangle has a width of 15 in. What is the length of the
1. 2 answers
2. 1,223 views
how did the spoils system affect president james Garfield and his successor Chester A. Arthur?
1. 5 answers
2. 2,346 views
How did the spoils system affect president James Garfield and his successor Chester A. Arthur?
1. 5 answers
2. 2,582 views
Which of the following nouns from the selection is a proper noun?1. garden 2. soil 3. sandy 4. environment
1. 5 answers
2. 432 views
(1) Everything I know about gardening I learned from my good friend Sandy. (2) When I first moved from Iowa to Georgia last May,
1. 3 answers
2. 416 views
(1) Everything I know about gardening I learned from my good friend Sandy. (2) When I first moved from Iowa to Georgia last May,
1. 3 answers
2. 452 views
(1) Everything I know about gardening I learned from my good friend Sandy. (2) When I first moved from Iowa to Georgia last May,
1. 2 answers
2. 491 views
Which detail in the selection confirms your prediction from the previous question? (Previous question was "Which is the best
1. 4 answers
2. 589 views
Which of the following topics would be most appropriate for an autobiographical narrative?1. your opinion of a recent
1. 2 answers
2. 576 views
(1) Sal looked at the map one more time. (2) She knew that the whole troop was depending on her. (3) Sal couldn’t decide if
1. 6 answers
2. 641 views
(1) Sal looked at the map one more time. (2) She knew that the whole troop was depending on her. (3) Sal couldn’t decide if
1. 2 answers
2. 479 views
Which revision to sentence 6 contains an example of vivid description?1. She needed to make a decision immediately. **** 2. The
1. 5 answers
2. 630 views
Your friend promises you that you can borrow her roller skates, but when she comes over, she forgets to bring them. When you
1. 4 answers
2. 690 views
A: It was freezing cold out on the prairie, but Daniel trudged on. He had to find firewood. His mother was ill. She needed the
1. 2 answers
2. 621 views
Which property justifies each step?Problem A: (6 + 2)a + 8b = 8a + 8b Problem B: 8a^2 + (8a + a^2) + 7a = 8a^2 + (a^2 + 8a) + 7a
1. 4 answers
2. 1,330 views
If Jaime wants to find 60% of 320, which table should he use?A 2-column table with 11 rows. Column 1 has entries 10 percent, 10
1. 3 answers
2. 867 views
If I’m trying to integrate (-10e^(3x))/(1+e^x)dx, how exactly do I solve? I understand you use u-substitution, right? I think
1. 3 answers
2. 389 views
You are sitting on a bus moving at 50 km/h [E]when you toss a ball in front of you and straight up into the air. The ball
1. 3 answers
2. 438 views

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