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Pearl
Questions and answers by visitors named
Pearl
Questions (90)
1. Which of the following transitions shows a comparison?
A. although B. however C. just as** D. whereas 2. Which answer option
19 answers
8,527 views
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
14 answers
3,600 views
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
4 answers
557 views
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
3 answers
634 views
Biological term for a reproductive structure found in gymnosperms and angiosperms only consists of a plant embryo with a
1 answer
20 views
Should an officer withhold information in a press release if that information could later affect the prosecution of a suspect?
1 answer
431 views
What are some examples of solutions and suspensions in our everyday life?
1 answer
942 views
At 25 degrees celsius,one cm3 of iron mass of 7.62 grams. What volume of iron is occupied by 125 grams of iron
2 answers
545 views
calculate Ph occuring when 100ml of 0.10m acid is added to 500ml of 0.08m acetate buffer,pka 4.75,ph 4.5
1 answer
428 views
Find the derivative of the function y=x2 + 2x + 1/ square root of x2 + 2x -1
1 answer
335 views
A ride in a cab costs $0.40 plus $0.15 per mile.
a.Write an equation for traveling x miles in the cab.
4 answers
1,302 views
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
2 answers
818 views
A random sample of 80 students at a large school shows an average grade of 72 in Algebra with a standard deviation of 4. What is
1 answer
439 views
solve t^2 + 3 = 6t using quadratic formula
1 answer
325 views
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
4 answers
3,569 views
How will an increase in pressure influence the amount of SO2(g) present at equilibrium?explain.
1 answer
328 views
how do you write in journal format?
1 answer
409 views
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
3 answers
489 views
Which term can be put in the blank to make the statement below true?
4,000,000=40 A. Thousands B. Ten-Thousands C.
2 answers
577 views
Solve the mathematical expression. Show your work.
72-5(13+2)*5=
6 answers
384 views
What is the value of the digit 6 in 683,607 than the value of the digit 6 in 462,601?
1 answer
332 views
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
3 answers
536 views
Information about Electromagnetic cranes
1 answer
418 views
What career path can I follow with these subjects?
3 answers
518 views
What career path can I follow with these subjects?
3 answers
501 views
two forces of 5 N and 7 N respectively act on an object, what are the maximum and minimum resultants of the two forces?
3 answers
544 views
The costs and consequences of providing the subsidies and welfare
2. Are there any welfare or subsidy payments that should be
9 answers
1,653 views
Determine the mass of copper(ii)trioxonitrate(v) that will be formed when 15grams of copper is added to excess dilute
3 answers
987 views
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
7 answers
1,380 views
A ball is thrown vertically upwards at 4ms-1 and returns yo the throwers hand.calculate the maximum height reached by the ball
2 answers
730 views
$7200 at 6.8% interest, student graduates 3 years and 9 months after loan is acquired; payments deferred for 6 months after
4 answers
934 views
Find the interest that accrues in a 30 day month, find the total amount of interest that will accrue before the regular payments
1 answer
386 views
Latoya ran for president of the chess club, and she received 18 votes. There were 40 members in the club. What percentage of the
4 answers
796 views
1/3 cup of flour makes 5 dinner rolls. How many cups of flour for 3 dozens rolls?
4 answers
1,432 views
Christian is 3 times as old as Marie. Marie is 12 years younger than Christian. How old is Christian?
5 answers
494 views
Christian is 3 times as old as Marie. Marie is 12 years younger than Christian. How old is Christian?
4 answers
531 views
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
3 answers
657 views
Simplify
Y [x+y^2+y]/y+1 +x ÷4y^2-3yx-7y^2/y^2-x^2 × 4y-7x/x+y^2
1 answer
345 views
Fully factorise
16x^36 -1
2 answers
778 views
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
3 answers
795 views
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 .
De
2 answers
537 views
Solve for x
(X-P)^2 =(X- q)^2
2 answers
699 views
Factorise the following
1.(x - 2y)^2 -16/49 2. 3/64 - 27y^2
3 answers
694 views
Given 2 =10^a and 9 =10^b
Determine the values of the following: 1. Log4 2. Log 6
4 answers
1,263 views
Factorise
1.3x^2 -x -14 2. 3x^2-13x- 14
2 answers
624 views
Why did the idea of republican motherhood lead to increased education for some women?
A. Women were tasked with educating the
13 answers
3,414 views
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
1 answer
432 views
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
1 answer
312 views
A man walks five miles due east and then three miles in a direction 60° north of east .calculate the displacement of the man.
2 answers
532 views
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
3 answers
641 views
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
4 answers
935 views
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
1 answer
488 views
Two vehicles boats sail away from each other on a lake. Sailing boat A sails directly North at 3 km/h and sailing boat B sails
1 answer
466 views
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
1 answer
477 views
Evaluate the indefinite integral
1.((x^4 -2 +x)3x^-1)
1 answer
302 views
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
1 answer
522 views
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
3 answers
250 views
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
1 answer
425 views
3000 kg of exhaust steam is condensed/h in a surface condenser. The dryness fraction of the steam entering the is 0.85.the
1 answer
448 views
A body of mass 100kg moves with velocity of 8m/s. Calculate the kinetic energy.
5 answers
1,348 views
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
5 answers
1,082 views
Which Career stream can I take after high school and the career is high needed and has job opportunities
1 answer
190 views
A coil takes a current of 15A and dissipates 2800W when connected with the supply of 200V ,50Hz when another coil is connected
1 answer
271 views
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
3 answers
362 views
How any five of the youth risk behaviours which you have investigated can be addressed
1 answer
52 views
Strategies that could be implemented by the community to ensure that the anti substances abuse campaigns
1 answer
68 views
Strategies that could be implemented by the community to ensure that the anti substances abuse campaign are effective
1 answer
74 views
Reasons for any observed changes since the 2002 survey
3 answers
87 views
Factors that may lead to an increase of learners abusing substance in schools
1 answer
61 views
Define inhumance farming method
1 answer
54 views
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
1 answer
50 views
How can we decrease human trafficking?
1 answer
12 views
Biological term for the germ layer that gives rise to muscle and other internal organs
1 answer
15 views
Biological term for the bacterium that cause tuberculosis in humans
1 answer
16 views
Biological term for the type of reproduction in plants that produce offspring with identical genetic
1 answer
11 views
Biological term for type of reproduction in plants that produce offspring with identical genetic composition
1 answer
9 views
Biological term for the part of the flower that the fruit is derived from
1 answer
11 views
Cephalization is found in
1 answer
12 views
A multicellular organism with a body cavity is Acoelomate or coelomate
1 answer
20 views
Animal with radial symmetry is arthropods or chordata or none
1 answer
14 views
Cephalization is found in platyhelminthes or cnidaria or both or none
1 answer
11 views
If you are asked to draw a diagram it must be?
1 answer
11 views
List two types of bridges you know
1 answer
12 views
Give two advantages and two disadvantages of a bridge
1 answer
17 views
List five structural members of a roof truss
1 answer
13 views
Write a design brief on how you intend on solving the villagers problem
1 answer
10 views
Name four types of lines
1 answer
12 views
Draw two models that best suit your solution
1 answer
8 views
Design a model for your solution
1 answer
17 views
Give two advantages and two disadvantages of a bridge
1 answer
22 views
