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zainab

Questions (37)

The 28th term of an AP is-5.Find its common difference if its first term is 31
1. 1 answer
2. 73 views
3 divided by 13/4
1. 1 answer
2. 113 views
1. A jar contains five blue balls and five red balls. You roll a fair die once. Next you randomly draw (without replacement) as
1. 2 answers
2. 1,279 views
HA and HB are two strong monobasic acids. 25cm3 of 6moldm-3 Ha is mixed with 45cm3 of 3moldm-3 HB. What is the H+ concentration
1. 1 answer
2. 1,523 views
A bicycle wheel has a diameter of 65cm paring a journey, the wheel makes 1000 complete revolutions.how many metres does the
1. 3 answers
2. 2,271 views
if the diameter of a bullock cart is 1.4 how much rotation it will take to cover the distance off 1.1km
1. 1 answer
2. 456 views
explain briefly why CuSo4 is more soluble in water than in organic solvent
1. 1 answer
2. 1,285 views
the heat capacity of copper is 0.382J/g degrees celsius. a 22.6g sample of copper at 93 degrees celsius is placed in 50g of
1. 0 answers
2. 885 views
a metal sample having a temperature of 100 degrees Celsius and a mass of 45.2g was placed in 50g of water with a temperature of
1. 0 answers
2. 677 views
hi i have written a review below but its word limit is very high. please help me reduce it to around 200 words or a bit more.
1. 1 answer
2. 599 views
Three point charges are placed on the x-axis. A charge of +2.0 ¦ÌC is placed at the origin, −2.0 ¦ÌC to the right at x=50
1. 0 answers
2. 1,001 views
Three equal negative point charges are placed at three of the corners of a square of side d. What is the magnitude of the net
1. 0 answers
2. 1,118 views
A 5.0-ìC point charge is placed at the 0.00 cm mark of a meter stick and a -4.0-ìC point charge is placed at the 50 cm mark.
1. 1 answer
2. 1,288 views
The length of a rectangle is 7 cm longer than its width. If the perimeter of the rectangle is 74cm, find the length and the area
1. 2 answers
2. 2,408 views
The sports car in Figure 6 is travelling along 30 banked road having a radius of curvature of ñ=152 m. If the coefficient of
1. 3 answers
2. 1,398 views
A box of mass 2 Kg lies on a rough horizontal floor with the coefficient of friction between the floor and the box being 0.5
1. 0 answers
2. 975 views
Determine the distance to which the 90 kg painter can climb without causing the 4 m ladder to slip at its lower end A as shown
1. 0 answers
2. 885 views
1 - Determine the distance to which the 90 kg painter can climb without causing the 4 m ladder to slip at its lower end A as
1. 1 answer
2. 975 views
ʃ sin² cos² dx
1. 1 answer
2. 516 views
ʃ ( tanx + cotx )² dx
1. 2 answers
2. 488 views
What is the history of the formation of Democratic Socialism? Can you please provide links?
1. 1 answer
2. 432 views
a monatomic gas initially at 19 degree celsius is suddenly compressed to 1/10th its original volume .what is temperature after
1. 1 answer
2. 606 views
if 2 cm on a map is 50 kms what is 8.5 cms on a map...how many kms ???
1. 1 answer
2. 976 views
make a true number sentence by filling in the missing number14 +(3x2)= _________ (14 + 3)x2 = _______
1. 3 answers
2. 450 views
2. A person walking along a straight road observed that at two consecutive kilometre stones the angles of elevation of a hill
1. 1 answer
2. 692 views
what is the length of trecha in men
1. 1 answer
2. 391 views
The sum of the squares of two consecutive odd integers decreased by the product of the integers is the same as sixty-seven.
1. 1 answer
2. 507 views
You have been put in charge of making pizza for the fundraiser. You are told to make the larger pizzas with a radius 3 less than
1. 2 answers
2. 483 views
hen 9.3 g of an unknown non-electrolyte is dissolved in 50.0 g of benzene, the boiling point the boiling point increased to
1. 1 answer
2. 552 views
the perimeter of an equilateral triangle is 9cm.how long is each side?
1. 1 answer
2. 838 views
graphs of trignometry
1. 1 answer
2. 492 views
two springs and two masses are attached in a straight line on a horizontal frictionless surface. the system is set in motion by
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2. 704 views
please explain me about acid and alkalis
1. 1 answer
2. 241 views
LB160 TMA01• This TMA01 contains 3 parts. Student should answer either Part 1 or Part 2. Part 3 is compulsory. • The value
1. 2 answers
2. 614 views
Why did many people in mecca reject muhammad's ideas at first?
1. 0 answers
2. 673 views
explain in full the meaning of binary form
1. 1 answer
2. 406 views
examples of sentence structureshttp://www.arts.uottawa.ca/writcent/hypergrammar/sntstrct.html
1. 0 answers
2. 987 views

Answers (14)

How to solve the question
Question
a cell has an e.m.f of 3v when it is connected across a resistor of resistance 4 a current of 0.5 a passes through the circuit. Calculate the internal resistance of the cell.
when both blood mix the clean blood will pollute
vx=18.05 m/s and vy=88.88 m/s
Demand function for a cola-type soft drink in general is q= 20 – 2P, where Q stand for quantity and P stands for price. a. Calculate point elasticities at prices of 5 and 9. Is the demand curve elastic or inelastic at these points?
but how did you get the 28-9.8t?
1.44
10.0*5.0/0.500=100ml
project
how to practice creative writing
thank you
post my answer plz
i cant see the question

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