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Questions Asked on July 2, 2020

From XNH3+YO2=ZNO+QH2O. find the value of Z?
1. 10 answers
2. asked by Chelly
3. 3,644 views
A sector of a circle of radius 8cm is bent to form a cone.find the radius of the cone and its vertical angle if the angle
1. 7 answers
2. asked by Anonymous
3. 2,372 views
an aircraft factory manufactures airplane engines. The unit cost c (the cost in dollars to make each airplane engine) depends on
1. 2 answers
2. asked by mary
3. 2,315 views
Find x, y, and z such that x³+y³+z³=k, for each k from 1 to 100.
1. 3 answers
2. asked by Sofa
3. 2,147 views
The mean height of 15 boys in a class is 162cm and the mean height of 10 girls is 152cm. Find the height of the 25 pupils.
1. 2 answers
2. asked by Edward
3. 1,942 views
A man of mass 50kg ascends a flight of stairs 5m high in5seconds. If acceleration due to gravity is 10ms -2, the power of the
1. 8 answers
2. asked by IfeJesu
3. 1,938 views
Aldo can choose Plan A or Plan B for his long distance charges. For each plan, cost (in dollars) depends on minutes used (per
1. 1 answer
2. asked by Taylor
3. 1,689 views
The 10th term of an arithmetic sequence is 42 more than the 7th term.If the 1st term is -14,find the second term of the sequence
1. 1 answer
2. asked by lucy
3. 1,442 views
If a male doctor repels a female patient, and a female nurse is attracted by a male patient, what can you say about the gender
1. 0 answers
2. asked by Mimic
3. 1,339 views
In which world regions or countries was the Seven Years’ War fought?a.)Australia, South America, China b.)North America,
1. 3 answers
2. asked by Erica
3. 1,223 views
The influent flow (dwf) is 30,000 m3/day and the influent BOD concentration is 300 mg BOD/l. The suspended solid concentration
1. 2 answers
2. asked by KAMRAN
3. 947 views
ray hf is an angle bisector of <ehg. m<ehg =68 and m<fhg= 9x - 2 find The value of x
1. 2 answers
2. asked by David
3. 904 views
A mass of ideal gas of volume 400 cm3 at a temperature of 27 ˚C expands adiabaticallyuntil its volume is 500 cm3. Calculate the
1. 0 answers
2. asked by emmanuel
3. 840 views
A box weighing 415 N is hanging from two chains attached to an overhead bean at angles of 56 degrees and 49 degree. Find the
1. 2 answers
2. asked by Anna
3. 831 views
In a test Freya scores 25% more marks than Eva. Eva scores 50% more marks than Dominic. In total the three children score 140
1. 1 answer
2. asked by james
3. 821 views
The odds against a volleyball team winning a game are 5:3. What is the probability, as a reduced fraction, that they will win
1. 1 answer
2. asked by segen
3. 792 views
Write the 1st 3 terms of the sequence whose n^th term is given by 2^n+1.
1. 5 answers
2. asked by lucy
3. 774 views
A water vapour thermometer is calibrated at the ice and steam points and the saturationvapour pressures (s.v.p) are measured.
1. 0 answers
2. asked by emmanuel
3. 721 views
Hello,I've been having trouble on the following question: We let g(x) = ⌊x⌊x⌋⌋ for x >= 0. i. Find all x >= 0 so that
1. 3 answers
2. asked by Dog_Lover
3. 709 views
A 28 g bullet is traveling at 414 m/s when it strikes a block of wood. If the block of wood exerts a force of 50,000 N opposing
1. 1 answer
2. asked by Art
3. 694 views
The sum of three consecutive numbers is 108.
1. 2 answers
2. asked by EFFIONG
3. 667 views
why an ice cube at 0 ˚C is more effective in cooling a drink thanthe same mass of water also at 0 ˚C
1. 1 answer
2. asked by emmanuel
3. 607 views
A woman is unhappy with the rate at which eggs cook in a saucepan of boiling water. Statein 2 words only, the method she could
1. 0 answers
2. asked by emmanuel
3. 574 views
A survey was conducted at a fast food outlet. It was determined that the probability of a customer ordering a food item was 43 %
1. 1 answer
2. asked by segen
3. 532 views
Given AB = 18 , DE=6 , and AD = 5 find the perimeter of DEF
1. 2 answers
2. asked by Cathy
3. 507 views
The density of a gas of relative molecular mass 28 at a certain temperature is 0.90 kgm-3.The root mean square speed of the gas
1. 0 answers
2. asked by emmanuel
3. 502 views
Joseph is taking his driver’s test. The odds he will pass are 8 : 3. What are the odds against passing?A. 3 : 8 B. 8 : 11 C. 5
1. 1 answer
2. asked by segen
3. 495 views
Why is an object immersed in a liquid lighter than the same object in the air.
1. 1 answer
2. asked by david t
3. 483 views
Combining the statement written in question 19 with the mathematical statement of the 1stlaw of thermodynamics, show in not more
1. 0 answers
2. asked by emmanuel
3. 467 views
Draw a flow chart to show what happens when you visit a library
1. 2 answers
2. asked by EFFIONG
3. 462 views
what is the conflict in the book human touch by mitch album.
1. 1 answer
2. asked by segen
3. 462 views
WRITE CHARACTERSTICS OF HORSE PRESENT IN THE POEM SWIFT THINGS ARE BEAUTIFUL
1. 2 answers
2. asked by Anonymous
3. 459 views
Olivia has a deck of well-shuffled playing cards. What are the odds:a) in favour of drawing a red face card? b) against drawing
1. 3 answers
2. asked by segen
3. 443 views
The probability of getting an ‘A’ in English class test is 72%.a. What are the odds of getting an A? ( 2 marks) b. What is
1. 1 answer
2. asked by segen
3. 433 views
Under what condition (if any) does a moving body experience no energy even though thereis a net force acting on it?
1. 1 answer
2. asked by emmanuel
3. 424 views
Translate this word problem into numerical expressions: If a certain number is doubled and 7 subtracted, the result is 23.
1. 1 answer
2. asked by EFFIONG
3. 424 views
Write a mathematical statement for the change in entropy, ds, for the case where no workis done irrespective of the path.
1. 0 answers
2. asked by emmanuel
3. 423 views
Calculate the sum of 7, 5, 3, 7, 6, 8 using a flow chart
1. 1 answer
2. asked by EFFIONG
3. 415 views
Vitamin c,which may or may not be affective in preventing cold,is an organic compound containing carbon,hydrogen and
1. 1 answer
2. asked by TEEMAH
3. 409 views
A man at a fair plays a game with shells in which he uses 4 shells, one of which has a prize under it. What are the odds against
1. 1 answer
2. asked by segen
3. 392 views
Everything on set
1. 1 answer
2. asked by FASHOLA
3. 323 views

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