# Linda

Newest questions and responses by Linda-
## Chemistry

2.5g of hydrated barium salt gave on heating, 2.13g of the anhydrous salt. Given that the RMM of the anhydrous salt is 208,What is the number of molecules of water of crystallization of the barium salt.

*asked on December 12, 2018* -
## Mathematics

Solve this surd Root 147/4 divided by Root 27/2.

*asked on November 27, 2018* -
## Chemistry

If the time at which a radioactive material decays to half of its original mass is twice the time at which the original mass of the material reduces to 80g.Determine the original mass of the substance .

*asked on November 14, 2018* -
## Chemistry

100 mL of buffer solution that is 0.15M HA (Ka= 6.8x10-5) and 0.20M NaA is mixed with 21mL of 0.35M NaOH. What is the pH of the resulting solution?

*asked on September 29, 2018* -
## Physics

A runner is jogging in a straight line at a steady vr= 2.2 km/hr. When the runner is L= 4 km from the ﬁnish line, a bird begins ﬂying straight from the runner to the ﬁnish line at vb= 6.6 km/hr (3 times as fast as the runner). When the bird reaches

*asked on September 3, 2018* -
## advanced math

A runner is jogging in a straight line at a steady vr= 2.2 km/hr. When the runner is L= 4 km from the ﬁnish line, a bird begins ﬂying straight from the runner to the ﬁnish line at vb= 6.6 km/hr (3 times as fast as the runner). When the bird reaches

*asked on September 3, 2018* -
## Physics

A 60kg astronaut on a distant planet drops a fork and discovers the fork takes 0.70s to drop 1.0m to the ground. a) what is the weight of the astronaut on that planet? b) if the planet has a radius of 1.6x10^6 m, what is it’s mass?

*asked on June 23, 2018* -
## Math

Find the area of the parallelogram determined by the vectors v and w where v=2i+3k and w=2j-3k. Area? If a=i+1j+k and b=i+5j+k, find a unit vector with positive first coordinate orthogonal to both a and b. _i+_j+_k?

*asked on April 30, 2018* -
## Algebra

The owner of a shop wishes to buy x guitars and y violins. To satisfy the demands of his customers, the number of violins must be less than or equal to the number of guitars. To get a good bargain the owner of the shop must buy at least 5 violins. Write an

*asked on April 28, 2018* -
## Math

ak=(2^(2k)k!)/k^k In this problem use the Ratio Test to decide whether the series converges. which is not the series is divergent. Compute L=lim|av(n+1)/(avn)|and find the numerical value of the limit L n->infinity "v" means down

*asked on April 24, 2018* -
## algebra

To rent a canoe costs $15 for the first hour and $12 for each additional hour or fraction of an hour. Which point is NOT included in the graph of this step function?

*asked on April 6, 2018* -
## english

In “who knows if the moon’s,” what is the moon seen as? a city a balloon a cloud a sailboat

*asked on March 28, 2018* -
## math

A fan has five equally spaced blades. Suppose you line up two fans directly on top of each other. What is the least number of degrees that you can rotate the top fan so that the two fans are perfectly aligned again?

*asked on March 16, 2018* -
## Math

In the state of Campana, during the Fall season, it rains 75% of the time and it is sunny 25% of the time (these figures are based on historical data). The local weather service every day announces either “Fair” or “Bad”. In the past, 75% of all

*asked on February 28, 2018* -
## science

What is the climate zone of Minneapolis, Minnesota? (1 point) polar moist mid-latitude with severe winters moist mid-latitude with mild winters humid subtropical

*asked on January 28, 2018* -
## Dosage Math and Pharmacology

A medical unit has 18 patients.Eight have type O blood. Five have type A blood. Two have type AB blood. Three have type B blood. Write the fractions that describe the portions of the medical unit that have each blood type

*asked on January 10, 2018* -
## social studies

Which of the following most contributes to deforestation of the Amazon rain forest? A. mining B. lumber milling C. road construction D. tourism

*asked on November 21, 2017* -
## English

Use the passage to answer the questions. What is a possible theme of “The King of Mazy May?” (1 point) Dreams can be realized with patience. It takes courage to survive dangerous situations. Trust is the basis of real friendship. A person’s value is

*asked on November 20, 2017* -
## English

I need a 1 page essay using the following words: devoid, implore, infuriate, intimidates, introvert, jeopardize, sibling, smug, sneer, vivacious

*asked on November 6, 2017* -
## Debt Sustainability

Fiscal deficit and public debt mounted and persisted in the 1980s and thereafter not only i zambia but in countries across the world. analyse zambia's debt persistence. what are the causes of the rapid rise in zambia's indebtedness?

*asked on October 15, 2017* -
## Math

If I’m enlarging a photo from 5 width x 7 length , to 21 inches long, how wide will the print be?

*asked on October 7, 2017* -
## algebra

Find the missing coordinate to complete the ordered-pair solution to the given linear equation. y=5x+4

*asked on September 28, 2017* -
## Science

why would a DNA structure in which each base type could form hydrogen bonds with any of the other 3 base types not produce a molecule that could be replicated easily?.

*asked on September 5, 2017* -
## Statistics

in a study of a weight loss program 30 subjects lost a mean of 2.6lbs after 12 months. methods of statistics can be used to show that if this diet had no effect, the likelihood of getting these results is roughly 6 chances in 1000. does the weight loss

*asked on August 28, 2017* -
## Spanish

I found this online to help with infinitives but what I don't understand is in the second example "el saber" is acting as a verb isn't it? because the translation is "knowing" so why did the writer say putting "el" in front of the infinitive makes it clear

*asked on August 19, 2017* -
## Early childhood education

To be an effective worker in an inclusive early childhood classroom you

*asked on May 2, 2017* -
## Math

Suppose that an animal's circadian rhythms tell it to eat a meal every 4h. How meals will the animal eat each day.

*asked on April 24, 2017* -
## chemistry

what mass of gold can you extract from 34.94g of AuCl3 using electrolysis of an aqueous solution?

*asked on March 9, 2017* -
## Business Math and Statistical Measures

You decide to take out an ordinary loan of $30,000 at 4%, on a 90 day note. In 45 days you decide to make a payment of $10,000 on the loan. What is your new principal? Expaln how you got answer. How much did you pay at the end of the loan overall? How does

*asked on February 17, 2017* -
## social studies

What is hammurabi code

*asked on November 1, 2016* -
## Chemistry

Suppose a student diluted and titrated a bleach unknown exactly as described in the experimental procedure, except only a single titration was performed which required 12.62 mL of 0.100 M Na_{2}S_{2}O_{3} Calculate the number of moles of ClO in the sample

*asked on October 30, 2016* -
## math

Write an addition story for two 3 digit numbers. Write your answer.

*asked on October 27, 2016* -
## algebra

The big square is divided into nine congruent small squares. x+Y+Z=

*asked on October 18, 2016* -
## Econ VERY URGENT, HELP!

Consider a simple economy consisting of only four firms. Firm A, a mining enterprise, extracts iron ore. Firm B, a Steelmaker, produces steel sheets. Firm C, a carmaker, makes automobile while Firm D produces automobile tires. In 2016, firm A extracts

*asked on October 7, 2016* -
## Econ URGENT HELP!

Consider a simple economy consisting of only four firms. Firm A, a mining enterprise, extracts iron ore. Firm B, a Steelmaker, produces steel sheets. Firm C, a carmaker, makes automobile while Firm D produces automobile tires. In 2016, firm A extracts

*asked on October 7, 2016* -
## VERY URGENT, HELP!

Consider a simple economy consisting of only four firms. Firm A, a mining enterprise, extracts iron ore. Firm B, a Steelmaker, produces steel sheets. Firm C, a carmaker, makes automobile while Firm D produces automobile tires. In 2016, firm A extracts

*asked on October 7, 2016* -
## Easy Econ, help!

Recall the production frontier (ppf) model from intro Econ ( refer to the basic butter and guns graph that could be found on Wikipedia). What are the exogenous variables in this model and what are the endogenous variables? Briefly explain.

*asked on October 7, 2016* -
## math

water flows into a reservoir at 2000l/min. the depth of the reservoir is to be kept constant by installing some discharge pipes 1m below the surface of water in the reservoir and diameter of the pipes are 25mm. calculate the number of pipes needed. I tried

*asked on September 27, 2016* -
## MGT450

How is strategic planning different from a strategic analysis? 1) requires a lot of research about the external environment 2) requires buy-in and commitment from the participants 3) ends with short-and long-term recommendations 4) is designed to choose

*asked on September 18, 2016* -
## Math

Write each rational number in the form a/b, where a and b are integers. 1) -6 2) 0.97 3) 18 4) 3.3 5) -2 1/8

*asked on September 7, 2016* -
## Calculus

State the domain and range of the function f(x) = 2sin(sqrt(3x-1)) + 3 Why is this so difficult?

*asked on September 3, 2016* -
## Calculus

log base 4 of 8/log base 8 of 16 question is to simplify can you rewrite it this way? 4^x = 8 --------- 8^x = 16

*asked on September 3, 2016* -
## Calculus

e^(1+2lnx) ----------- x^2 simplify

*asked on September 3, 2016* -
## Calculus

If g(X) = 2+ln(x-5), find the inverse function, (g^(-1))(x) Solution: y = 2+ ln(x-5) e^y = 2 + x - 5 x = e^y + 3 y = e^x + 3 g^(-1) = y = e^x + 3 Is that right? I'm following an example - but don't really get it - how do I determine the domain and range -

*asked on September 3, 2016* -
## Calculus

Find the zero(es) of f(x) = (e^(7-2x)) - 1

*asked on September 3, 2016* -
## math/Calculus

If h(x) = csc(x), find the inverse h^(-1)(x). express answer in terms of sin^(-1), cos^(-1) or tan^(-1) Don't know where to start -

*asked on September 3, 2016* -
## Math

State the domain and range of f(x) = 2sin(sort(3x-1)) + 3

*asked on September 3, 2016* -
## mathematical method

Find the magnitude of (2-i)(1+3i)(3+4i)

*asked on August 16, 2016* -
## Math

The submarine is cruising at a depth of 50 meters, then dives 75 meters, then ascends (moves in the direction of the surface )60 meters, and then dives 45 meters. what is the submarine's final depth

*asked on August 5, 2016* -
## MGT435

According to the drama triangle, one common characteristic of the rescuer role is_______? 1) refuses to say "no" 2) initiates the attack 3) aggressive behavior 4) nonassertive behavior

*asked on June 15, 2016* -
## Math-Calc

Find an equation of the tangent line to the curve 2(x2+y2)2=25(x2−y2) (a lemniscate) at the point (3,1). Please help.

*asked on May 26, 2016* -
## English

In "Tokyo", ryo and Tsuruishi most likely decide to stay overnight at the inn because

*asked on May 16, 2016* -
## Social Studies

how important is the cooperation to the success or failure of the canning cooperation

*asked on May 11, 2016* -
## math

Julie is four times as old as her daughter.In four years time she will be three times as old. How old are they now

*asked on May 11, 2016* -
## Math

Juan employs something called a mirror method. He places a mirror exactly 12 meters from the bottom of a maple tree and then walks backwards until he sees an image of the top of the tree . From the tree which is angle 1 and from him is angle 2 these angles

*asked on May 2, 2016* -
## chemistry

the air in a 4.00L tank has pressure of 1.70atm what is the pressure in atmospheres 1L

*asked on May 1, 2016* -
## homework

Use the shell method y=14x-x^2, x=0, y=49

*asked on April 28, 2016* -
## Math

Use the shell method y=14x-x^2, x=0, y=49

*asked on April 28, 2016* -
## Math

Find the area between the two curves y=x^4-10x^2+36 and y=3x^2

*asked on April 24, 2016* -
## chemistry

What is the main factor driving the difference in the spontaneity of the three reactions Cl^2,Br^2, and l^2?

*asked on April 20, 2016* -
## chemistry

what is the molarity of an unknown acid if 40.5 ml. of the acid can be titrated to an end point by 20.5 mL. of 0.2250 M NaOH

*asked on April 11, 2016* -
## Healthcare Statistic

A coding supervisor must determine the number of full-time equivalents (FTEs) needed to code 500 discharges per week. If it takes an average of 20 minutes to code each record and each coder works 7.5 productive hours per day, how many FTEs will the coding

*asked on April 10, 2016* -
## Healthcare Statistics

It takes approximately 15 minutes to code one record. How many personnel hour would be needed to code 1424 discharges for the month.

*asked on April 10, 2016* -
## Healthcare Statistic

An employee currently earning $13.85 per hour has been awarded a 3.5 percent merit raise. what will the employee's hourly salary be with is increase.

*asked on April 10, 2016* -
## Statistics

After one month of operation, the health information services at community Health Center determined that there were two records misfiled out of the 450 active records. What is the filing accuracy rate for this area.

*asked on April 10, 2016* -
## Statistics

Calculate the number of new shelving units needed for a medical record filing system based on eight shelves per unit at 36 inches per shelf. The average record size equals 0.30 inches, and the center anticipates seeing 4,500 patients the first year.

*asked on April 10, 2016* -
## Statistics

If your HIM department has 100,000 active medical records and you received 5,352 requests for records within a six-month period, what is the request rate for the past six months.

*asked on April 10, 2016* -
## Math

The equation x^2+12x=73 has two solutions. The positive solution has the form (sqrta)-(b) for positive natural numbers a and b. What is a+b? Thanks

*asked on April 7, 2016* -
## Math

What is the solution of −23 a + 4 > –8?

*asked on March 7, 2016* -
## chemistry

how to find the mole ratio of salt to water of Mo(NO3)2.5H2O CaSO4.2H2O (CaSO4)2.H2O

*asked on March 5, 2016* -
## science

nickel complexes(ethylenediamine) with graph of absorbance vs wavelength

*asked on March 2, 2016* -
## Algebra

The difference of two numbers is 10. Twice the larger number minus the smaller number is 14. What are the numbers?

*asked on February 28, 2016* -
## chemistry

calculate joules release when 175g of steam condenses at 100c and cool the liquid to 35.00c

*asked on February 28, 2016* -
## Macroeconomics

Suppose that the government decides to subject producers of this item to a unit excise tax equal to $2 per unit sold. What is the new market price? What is the new equilibrium quantity?

*asked on February 25, 2016* -
## Math

A piece of plywood, the surface of which measures 8/9 square yard, is cut into sections each containing 2/9 square yard. How many sections are there?

*asked on February 22, 2016* -
## Chemistry 101

what is CAH2 + H20

*asked on February 18, 2016* -
## math

Perimeter of 26.length is 6 feet. What is the width

*asked on February 5, 2016* -
## math

What is 1/3 of 12

*asked on February 2, 2016* -
## Math

What is the volume of a 2 ft wide 2 ft long and 4ft high box?

*asked on January 20, 2016* -
## Algebra 2

Use synthetic division to divide p(x) = 3x3 − 10x2 − 31x − 12 by (3x + 5). Then check the solution.

*asked on January 19, 2016* -
## Language Arts

1. Which of the following sentences from the text contains an example of a metaphor? A. He looked like one of those ballerinas that dance just on the tips of their toes. B. Momma’s horrible snake-woman voice came out again and said “If you ever,

*asked on January 14, 2016* -
## vocabulary

A sample sentence for example

*asked on January 11, 2016* -
## math

1/4=?/8

*asked on January 6, 2016* -
## fraction

Eight friends share two pizzas equally. How much if a pizza does each friend get?

*asked on December 18, 2015* -
## Phyical Science

What technology is involved in gathering or using natural gas? How do we use natural gas to generate electricity?

*asked on December 15, 2015* -
## Phyical Science

how do we use natural gas to generate electricity?

*asked on December 14, 2015* -
## math fraction

Brian has 3 basketball cards and 5 baseball cards. What fraction of Brian's cards are baseball cards?

*asked on December 14, 2015* -
## math fractions

Brian has 3basketball cards and 5 baseball cards. What fraction of Brian's cards are baseball cards?

*asked on December 14, 2015* -
## Chemistry

A student titrates a 25.00 mL sample of HCl. If 20.50 mL of 0.175 M of KOH is required to reach the end point, what is the concentration of the HCl? 25.0 mL HCl x 1L/1000 mL x 0.175 M/1 L = 0.004375 mol HCl 0.004375 mol HCl/20.50 mL KOH x 1000 mL/1 L =

*asked on November 19, 2015* -
## Maths

A piece of ribbon is 50 cm long how many 10 1/2 cm length of ribbon can be cut from it? How much is left over?

*asked on November 16, 2015* -
## English

1. Based on the reading selections in Unit 3 of Journeys in Literature, consider the varied purposes the authors had for writing. What do they reveal about diversity (variety) within the new nation? Note: Do not write about issues with diversity as we see

*asked on November 11, 2015* -
## Physics

1. Name three different kinds of graphs that are often used to plot information and discuss the value of each. i have no idea what the heck this means

*asked on October 30, 2015* -
## English Language

Find the complete subject and complete predicate in the following sentence: His choice included land in both Maryland and vVirginia.

*asked on October 27, 2015* -
## math

one-half of the students in a city school plan to enter liberal arts colleges and one-third of the students plan to go to junior college.The remaining 300 pupils expect to seek permanent employment after graduation.How many students are there in this

*asked on October 25, 2015* -
## physics

An object is launched at a speed of 24.68 m/s from the top of a tall tower. The height y of the object as a function of the time t elapsed from launch is y(t) = –4.905 t2 + 18.01 t + 60.34, where y is in meters and t is in seconds. Determine: a) the

*asked on October 16, 2015* -
## Literature

What is the theme of "Greek Meets Greek

*asked on October 5, 2015* -
## chemistry

how many rb atoms could be placed on a square surface that is 1.0cm on a side? The diameter of a rb atom is 4.95

*asked on October 4, 2015* -
## Algebra

A man flies between two cities; on a windless day, he averages 120 mph round trip; on a windy day he averaged 140 mph with the wind; he averaged 100 mph against the wind; on the windy day, it took 15 extra minutes to make the round trip; what is the

*asked on October 4, 2015* -
## chemistry

The mass value for Br-79 is 78.918amu. Find the mass of Br-81

*asked on October 1, 2015* -
## GRE prep

A sphere with diameter 1 unit is enclosed in a cube of side 1 unit each. Find the unoccupied volume remaining inside the cube.

*asked on September 29, 2015*