Pearl

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

Questions

The following questions were asked by visitors named Pearl.

Should an officer withhold information in a press release if that information could later affect the prosecution of a suspect? Is “setting the stage” for a press release professional or deceitful?

What are some examples of solutions and suspensions in our everyday life?

At 25 degrees celsius,one cm3 of iron mass of 7.62 grams. What volume of iron is occupied by 125 grams of iron

calculate Ph occuring when 100ml of 0.10m acid is added to 500ml of 0.08m acetate buffer,pka 4.75,ph 4.5

Find the derivative of the function y=x2 + 2x + 1/ square root of x2 + 2x -1

A ride in a cab costs $0.40 plus $0.15 per mile. a.Write an equation for traveling x miles in the cab.

A random sample of 80 students at a largae school shows an average grade of 72 in Algebra with a standard deviation of 4. Find the standar error.

solve t^2 + 3 = 6t using quadratic formula

Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s. If after reaching the finish line, Mr. Lewis walked directly back to his starting point in 90.9 s, what is the magnitude of his average velocity for the 200.0m?

How will an increase in pressure influence the amount of SO2(g) present at equilibrium?explain.

how do you write in journal format?

mike spends 2/3 of his time studying. on tuesday spends 1/6 of his time studying for his science test. what is the value of the combine time Mike studied for his science test?

Which term can be put in the blank to make the statement below true? 4,000,000=40 A. Thousands B. Ten-Thousands C. Hundred-thousands D. Millions

Solve the mathematical expression. Show your work. 72-5(13+2)*5=

What is the value of the digit 6 in 683,607 than the value of the digit 6 in 462,601?

What is the value of the digit 6 in 683,607 than the value of the digit 6 in 462,601? I see two 6's in each number. Which are you asking about? That's the question. It doesn't specify the place value. Here are the choices: A. 10 times B. 100 times C. 1,00...

Information about Electromagnetic cranes

What career path can I follow with these subjects?

The costs and consequences of providing the subsidies and welfare 2. Are there any welfare or subsidy payments that should be reviewed or added ? 3. Are there any current subsidy or welfare issues that are being discussed or addressed in municipalities

Determine the mass of copper(ii)trioxonitrate(v) that will be formed when 15grams of copper is added to excess dilute trioxonitrate(v).{cu=63.5,N=14,O=16} solution cu(No3)2=Cu N2 O6 =63.5+14x2+16x6 =63.5+28+96 =187.5 Number of mole=mass/molar mass =15/187...

The sum of 2 numbers is 32.when 5 subtracted from 4 times 1 of the numbers,the result is 8 times the other number.find the difference between the 2 numbers.

A ball is thrown vertically upwards at 4ms-1 and returns yo the throwers hand.calculate the maximum height reached by the ball

1. Which of the following transitions shows a comparison? A. although B. however C. just as** D. whereas 2. Which answer option best revises the sentences for transition use? Sentence: You can get to the beach by car. You can ride your bike to the beach A...

$7200 at 6.8% interest, student graduates 3 years and 9 months after loan is acquired; payments deferred for 6 months after graduation

Find the interest that accrues in a 30 day month, find the total amount of interest that will accrue before the regular payments begin using the 30 day month Find the interest that accrues in a 30 day month, find the total amount of interest that will acc...

Latoya ran for president of the chess club, and she received 18 votes. There were 40 members in the club. What percentage of the club members voted for Latoya?

1/3 cup of flour makes 5 dinner rolls. How many cups of flour for 3 dozens rolls?

Christian is 3 times as old as Marie. Marie is 12 years younger than Christian. How old is Christian?

Greg and Gary start a bicycle race at the same place and time.Greg travels at a constant speed of 16 miles/hour and Gary at a constant speed of 12 miles/hour. Greg finishes the race 2 hours ahead of Gary. How many miles did Greg travel in the race? Please...

A force of 40N stretches a wire through 3cm,what force will stretch it through 5cm and through what length will a force of 100N stretch it? What assumption have you made?

Simplify Y [x+y^2+y]/y+1 +x ÷4y^2-3yx-7y^2/y^2-x^2 × 4y-7x/x+y^2

Fully factorise 16x^36 -1

A truck with a mass of 20t has tractive resistance of 280 N/t if it travels speed of 72 km/h .calculate The distance travelled in 36s 2 . The power required for that speed

A spring with a tension of 200N/mm is compressed for a distance of 150mm. Determine the Work done if the spring is compressed a further 50mm.

A stone with a mass of 6kg is thrown vertically upwards from the top of the building 35m high with a starting velocity 20m/s . Determine the time it will take the stone to reach it's maximum height.

Solve for x (X-P)^2 =(X- q)^2

Factorise the following 1.(x - 2y)^2 -16/49 2. 3/64 - 27y^2

Given 2 =10^a and 9 =10^b Determine the values of the following: 1. Log4 2. Log 6

Factorise 1.3x^2 -x -14 2. 3x^2-13x- 14

Why did the idea of republican motherhood lead to increased education for some women? A. Women were tasked with educating the next generation, and thus needed to be educated themselves. B. Women were required to attend public schools, and thus would be pu...

The field coil of a machine is wound with 700 turns of copper wire of cross sectional area 0,375mm^2 .The mean length per turn is 400mm and thr resistivity of copper is 16×10^-3 micro ohm at 0 degrees Celsius. Determine the resistance of the coil at tempe...

Calculate the cost to run a washing machine of 220V with the current of 20A for Two hours, if the price of electricity is 22 cent per kW.h

A man walks five miles due east and then three miles in a direction 60° north of east .calculate the displacement of the man.

A ship that can cruise at 12km/h in still waters , sets course due S.W .it is driven off by current flowing W.15.N at a rate of 4 km/h.calulate : a. The resultant velocity b. The displacement after 3 hours.

A tractor is towing a large trailer on a horizontal road at a constant speed of 15km/h .The mass of the trailer is 1.3t and the mass of the load is 5t .A wind is blowing from the behind the trailer with an effective force 320N . The tractive resistance of...

Two sailing boats sail away from each other on a lake. Sailing boat A sails directly North at 3km/h and sailing boat B sails N.53,13°.E at 5km/h .calculate: 1. The velocity of sailing boat A relative to the velocity of sailing B.

A ship is 50km N.E of Durban harbour and it steams N for 4 hours at 15km/h. Determine it's position with reference to the harbour.

A stream with current running at 4km/h is 250 m wide between two parallel banks .A boat has to cross the stream. It's speed in still water is 6 km/h . 1. In what direction will it cross the stream in the least possible time.? 2.In what direction will it c...

Evaluate the indefinite integral 1.((x^4 -2 +x)3x^-1)

A tractor is hauling a large trailer with a the load of mealies upwards on an incline or slope of 1 in 20 .The mass of the trailer is 4,5t and the load is 20t. The tractive resistance due to friction and the road surface is 450N/t. A strong wind is blowin...

0.2 m^3 of a gas has pressure of 140kPa .it is compressed to pressure of 700kPa according to the law PV^1.4=C. Determine the new volume of gas.

A quantity of gas occupies a volume of 0.3 m^3 at a pressure of 101kPa and a temperature of 19°C.The gas is compressed isothermally to a pressure of 500 kPa then expanded adiabatically to its initial volume. Assume gamma =1.4 and R= 0.288kj/kg.K . Determi...

3000 kg of exhaust steam is condensed/h in a surface condenser. The dryness fraction of the steam entering the is 0.85.the barometer reads 760mm Hg and the vacuum gauge reading os 680 mm Hg. if the rise in temperature of the cooling water is 12°C , determ...

A body of mass 100kg moves with velocity of 8m/s. Calculate the kinetic energy.

In an arithmetic progression the 22nd term is four times the 5th term while the 12th term is 12th more than 8th term.find the first term and the common difference

Which Career stream can I take after high school and the career is high needed and has job opportunities

A coil takes a current of 15A and dissipates 2800W when connected with the supply of 200V ,50Hz when another coil is connected in parallel with it , it takes 30 A at a power factor of 0.866 lagging . Determine the current and power power when it connected...

A group of hikers buys 5 bags of mixed nuts altogether. Each bag contains 2 1/2 cups of mixed nuts. The mixed nuts are than shared evenly between the 8 hikers. How many cups of mixed nut will each hiker get. Show your work.

How any five of the youth risk behaviours which you have investigated can be addressed

Strategies that could be implemented by the community to ensure that the anti substances abuse campaigns

Reasons for any observed changes since the 2002 survey

Factors that may lead to an increase of learners abusing substance in schools

In each of the following GP the first second and last term are given. Find the common ratio . The number of term in each case

How can we decrease human trafficking?

Biological term for the germ layer that gives rise to muscle and other internal organs

Biological term for the bacterium that cause tuberculosis in humans

Biological term for the type of reproduction in plants that produce offspring with identical genetic

Biological term for type of reproduction in plants that produce offspring with identical genetic composition

Biological term for the part of the flower that the fruit is derived from

Biological term for a reproductive structure found in gymnosperms and angiosperms only consists of a plant embryo with a protective coat

Cephalization is found in

Animal with radial symmetry is arthropods or chordata or none

Cephalization is found in platyhelminthes or cnidaria or both or none

If you are asked to draw a diagram it must be?

List two types of bridges you know

Give two advantages and two disadvantages of a bridge

List five structural members of a roof truss

Write a design brief on how you intend on solving the villagers problem

Name four types of lines

Draw two models that best suit your solution

Design a model for your solution

O polelo di bonolo magang a batla matseno

Tlhaloso ya leboko la serukhutlhi

O polelo di bonolo magang a batla matseno tlhaloso

O polelo di bonolo magang a batla matseno tlhaloso ya serukhutlhi

O polelo di bonolo magang a batla matseno mo serukhutlhi

O ka utswa letswai nameng ya sulafa tlhaloso (mo serukhutlhi

Ke tlhatshana sa mogau ga a jewe tlhaloso

Ke tlhatshana sa mogau ga a jewe tlhaloso mo serukhutlhi

Answers

The following answers were posted by visitors named Pearl.

My instructor posted the Rubrics for this assignment, it includes a part that reads as follows: Answer Key for Part One: Paragraph 1 - Evaluation, Paragraph 2 - Summary, Paragraph 3 - Synthesis, and Paragraph 4 - Analysis. I don't think she realized the a...

How can drugs cause accidents?

By taking 2 much dose of it

what is the molarity of an NaOH solution if 28.2 ml of a o.355 M H2SO4 solution is required to neutralize a 250 mL sample of the NaOH solution?

In 10-15 lines critically discuss five ways of floods in which the human or environmental problem impacts on the community. Provide relevant sources to support your claims.

Two institutions/community organisations that are involvdd in supporting or giving redress to floods. Explain how these organisations are involved in providing a safe nd healthy environment.

72-5(13+2)*5= (72 - 55) * 5 = 85 How did you arrive to 55? Please explain

Find the interest that accrues in a 30 day month, find the total amount of interest that will accrue before the regular payments begin using the 30 day month

The answer is B.Sodium chloride.

Damon, This is the easiest and quickest solution to this question! I was looking for something to explain to a 5th grader and this is perfect! Thank you!

Thank you, PsyDAG. I needed this for a 5th grader.

Thank you! Appreciate your help. I needed something that is easy to understand and explain to a 5th grader.

Greg and Gary start a bicycle race at the same place and time.Greg travels at a constant speed of 16 miles/hour and Gary at a constant speed of 12 miles/hour. Greg finishes the race 2 hours ahead of Gary. How many miles did Greg travel in the race? Please...

That isn't correct

Boop is 100% correct for anyone wondering

Let the woman's age=x Let the daughter's age=y Therefore (x+y)=46 Make x the subject of theach above equation. ; x=46-y (equation 1) 4 years ago; The woman=x+4 the daughter =y+4 The ratio is 7:2=(x+4):(y+4) Cross multiply 7(y+4)=2 (x+4) 7y+28=2x+8 (equati...

As the senior prefect at your school you have been asked to give a speech at your school's P.T.A meeting on the topic, the problems facing my school.

Simply saying 50×10=500m X^2+y^2=500^2 X^2+y^2=250000

DaaAaAaAaAAAaAaD- BUY ME SHOESsSssS

1) A model’s usefulness depends on the accuracy of its predictions. 2) Daniel Bernoulli 3) molecule 4) It took several hundred years for scientists to develop current theories, and they are still being revised to this day. 5) Consistent results support th...

Hbdiebevvevahahabab

I don't understand where the 10 is gotten from