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Emmanuel

Questions (352)

What of the diagram
1. 0 answers
2. 157 views
A spring of length of 25cm is stretched to 35cm by a load of 50N. What will be the length when stretched by 100N assuming the
1. 1 answer
2. 285 views
The bearing of a boy on the corridor of a storey building from a ball on the ground is N078ⁿE. What is the bearing of the ball
1. 1 answer
2. 351 views
A cone has a base diameter of 8cm and height of 3cm calculate the curved surface area of the cone in terms of pie
1. 2 answers
2. 300 views
Finding the image of 4 under the mapping y2×+3
1. 2 answers
2. 187 views
7 term of the G P 2, 4, 8
1. 2 answers
2. 147 views
The resistance QR to the motion of a car is partly constant and varies as the square of the speed. At 20km/hr it is 265N. And at
1. 3 answers
2. 270 views
Of the 72 students on a track team, 34 are boys, what fractional past of team are girls
1. 1 answer
2. 378 views
2+2-98
1. 1 answer
2. 199 views
Given that one mole of carbon 12 weighs 12.0g.how many atoms are there in 24.0g mg.
1. 2 answers
2. 238 views
Let X = [Xi, Xz, Xs]' be a random vector with joint probability density function defined by f(t1,T2, *3) = 6. 0 < T1 < T2 < T3 <
1. 1 answer
2. 351 views
A stone is thrown with a velocity of 15 m/s at an angle of 60° to the horizontal . calculate(a) the time it takes before the
1. 1 answer
2. 566 views
There are 620 mangoes In a basket. If 45of them are rotten and thrown away, calculate the percentage decrease in the number of
1. 2 answers
2. 530 views
The distance of a port from 20 different locations form an AP.if the farthest distance is 300km, and the nearest distance is
1. 1 answer
2. 383 views
Use the logrithm table to find the log of these numbers (a)900(b)4620(c)12.34
1. 2 answers
2. 514 views
A certain number is multiplied by 2 and added to 4 it is then multiplied by 3 and divided by 14.If the result is 1.Find the
1. 3 answers
2. 531 views
Moles
1. 2 answers
2. 275 views
the angle of elevation of the top of a radio mast from a point 53m from its base on level ground is 61° find the height of the
1. 1 answer
2. 297 views
How do u write a speech on the topic what my school need
1. 1 answer
2. 243 views
Out of 200 apples boupht from a frult sellar, it is known from experience that 10 will be unripe what is the probability that
1. 1 answer
2. 375 views
What are genetics terms
1. 1 answer
2. 192 views
Convert this statement scale to R.F scale:1cm represents 4km
1. 2 answers
2. 855 views
The fifth term of an geometric sequence is 4375 and the second term is 35.find (a)the third term (b)the sixth term (c)the first
1. 2 answers
2. 444 views
What is fountain experiment
1. 1 answer
2. 213 views
Write an argumentative speech about peer pressure destroy a character write against for the motion
1. 2 answers
2. 334 views
The first term of an A.P is 2 and its common difference is 3, find the sum of the first 11 terms of the A.P
1. 1 answer
2. 549 views
A cab company charges $2 per cab ride, plus an additional $2 per mile driven. If a cab ride is 7 miles long, how much will it
1. 0 answers
2. 478 views
Two capacitor of a capacitance 4uf and 6uf are connected in series to a 100volt DCA.draw the circuit diagram B.calculate the
1. 1 answer
2. 1,849 views
A rectangular tank measure 6m by 4m by 5m is half full of water. What volume of water is in the tank?
1. 4 answers
2. 1,348 views
How do i solve 5/3+ square root 2
1. 1 answer
2. 215 views
How do i solve surd question on 5/3+square root 2
1. 2 answers
2. 232 views
Give five reasons why bad leaders fails to protect the interest of their followers
1. 0 answers
2. 339 views
How do i write a letter to a General Manager of a book shop complaing that some short comings of a branch located in your
1. 3 answers
2. 915 views
A distance of 80mm was measured on a map of scale 1:1250 between points p and q. what is the distance between p and q in meter
1. 1 answer
2. 412 views
topic: quadratic equation.used completing the square methods 7v²+22v+3
1. 1 answer
2. 417 views
a block of aluminum weighing 145. g is cooled from 98.4 c to 62.2 c with the release of 1080 joules of heat. from this data,
1. 1 answer
2. 358 views
am equilateral triangle of side 10cm is inscribed in a circle. find the radius of the circle.
1. 1 answer
2. 370 views
A 6v battery battery internal resistance 0.5 ohm connected to three resistors of values 3 ohm,4 ohm & 5 ohm.calculate the
1. 0 answers
2. 983 views
the 4th term of an A.p is 8,the sum of first 12 terms is 126.Find the A.p
1. 4 answers
2. 1,169 views
10.5g of zinc trioxocarbonate(iv), we're heated very strongly to a constant mass and resdiue treated with excess hydrochloric
1. 2 answers
2. 671 views
Make x the subject of x(a-b)b(c-x)
1. 1 answer
2. 282 views
1) 37= -3+5(k+6)
1. 1 answer
2. 137 views
solve the equation -3x^2+7x+2=0
1. 1 answer
2. 247 views
factorize 3x^2+19x+2=0
1. 1 answer
2. 262 views
log (2-3x)^3=log (6x^2-19x+2)^9
1. 2 answers
2. 500 views
I add 7 to a certain number . I doubled the result. My final answer is 34. What was my number?
1. 6 answers
2. 2,841 views
In a simple the energy input is 120j if the efficiency of the machine is 80% calculate the energy output
1. 1 answer
2. 825 views
an athlete of mass 70.0kg runs a 100m race in 10s. calculate the kinetic energy possessed by the athlete.
1. 2 answers
2. 1,776 views
Consoder a monolist facing a linear demand Q=60-P/3. The monolist products with constant marginal costs c=3 and no fixed costs.
1. 0 answers
2. 560 views
The bearings of ships A AND B from port p are 2.25 degree and 116 respectively.ship A is 3.9km from ship B on a bearing of 258
1. 4 answers
2. 617 views
1. A force of 40N at the end of a wire of length 4m and diameter 2mm process and extension of 0.24mm. Calculate; (a) stress on
1. 4 answers
2. 3,176 views
Using ruler and pair of compasses only, construct a quadrilateral PQRS,such that/PQ/ =8cm ,QPS=105 , PQS=30, /PR/=9cm, and /RS/
1. 3 answers
2. 1,165 views
a pupil of mass 50 kg runs a flight of 20 stairs each 25cm high in a time of 20 seconds (take g= N/kg calculate the pupil s gain
1. 3 answers
2. 1,170 views
Sage has a hot dog stand. Last week he spent $13 for hot dogs and supplies. He earned $25. What was his profit?
1. 1 answer
2. 711 views
Describe briefly how pure dry crystals of calcium chloride can be obtained from its solution
1. 2 answers
2. 1,274 views
A boy went to a supermarket and spends 2/5 of his pocket money on biscuit, 1/4 on plantain chips and the remainder on drinks.
1. 2 answers
2. 715 views
Evaluate 3 log 2 + log 20 _ log 1.6
1. 1 answer
2. 372 views
a number is added to 10and12.if the product of the sum obtained is48,find the number
1. 1 answer
2. 399 views
one angle of an octagon is 56 degree find each of the other angle if they are equal to each other
1. 1 answer
2. 395 views
8/2=x+3/4, solve for x
1. 2 answers
2. 482 views
A student heats 64.05 grams of nickel to 97.80 °C and then drops it into a cup containing 81.11 grams of water at 21.79 °C.
1. 1 answer
2. 769 views
In the laboratory, a student heats 96.27 grams of zinc to 98.06 °C and then drops it into a cup containing 76.46 grams of water
1. 1 answer
2. 550 views
In a circle of radius 12cm a chord is drawn 3cm from the centre. Find the angle subtended at the centre
1. 4 answers
2. 961 views
calculate the percentage by mass of silicon tetrachloride
1. 4 answers
2. 2,787 views
An american car travels 32 miles on one gallon. A European car travels 12.7 kilometers on one liter of gas. Wich car gets better
1. 2 answers
2. 1,226 views
If x is an acute angle, tanx =3/4,evaluate coax _sinx÷cosx+sinx
1. 9 answers
2. 4,234 views
A uniform beam 6m long weighing 4kg rests on supports p and q placed left and right 1metre from each end of the beam. Weight of
1. 2 answers
2. 1,013 views
show the limit of |X| if X tend to 0
1. 1 answer
2. 407 views
After 0.6523g of CoCL2 .6H2O is heated, the residue has a mass of 0.3423g. Calculate the percent H2O in the hydrate. What is the
1. 1 answer
2. 804 views
Byron wants to use the distributive property to rewrite the addition problem shown so that the numbers left in the parentheses
1. 3 answers
2. 2,315 views
Calculate the volume of carbon 4 oxide gas at s.t.p when 5g of zinc trioxocarbonate is heated strongly.
1. 1 answer
2. 1,174 views
How many grams of commercial C2H4O2 (97% pure by mass) must be allowed to react with an excess of PCl3 to produce 75.0g of
1. 1 answer
2. 1,017 views
in suv of which the total mass is 800 kg is travelling with an initial velocity of 200m/s suddenly observe a stationary dog 50m
1. 1 answer
2. 485 views
A rectangular pyramid that measure 10cm by 7cm. CalculateA the surface area B.volume of the pyramid C.the sides of a triangle.
1. 4 answers
2. 1,139 views
The teet of two vertical poles of height 3m and 7m are in line with a point P on the ground. The smaller pole being between the
1. 3 answers
2. 2,701 views
Which of the following homogeneous and which are heterogeneous? Blood, carbon dioxide,Rock, steak,iron, concrete, air,oxygen,
1. 2 answers
2. 558 views
if he travels 7km N 30 degree E and 10km east find the resultant displacement
1. 2 answers
2. 661 views
john's age in the next ten years will four times his age five years ago. How old is john now?
1. 1 answer
2. 599 views
A commuter plane flies from City A to City B, a distance of 90 mi duenorth. Due to bad weather, the plane is redirected at
1. 2 answers
2. 1,575 views
A stone, 2kg is projected vertically at a velocity of 5m/s at an Angle of 60°Calculate I.Time taken to attain maximum height
1. 1 answer
2. 690 views
A metal x form different chlorides.If 12.7g of chloride A and 16.3g of chloride B contains 7.1g and 10.7g of chlorine
1. 0 answers
2. 626 views
A bicycle has a radius of 28cmHow far does it travel in four complete turns
1. 1 answer
2. 1,310 views
how many unpaired electrons are in this configuration 1s2 2s2 2p6 3s2 3p3
1. 2 answers
2. 2,566 views
how many unpeeled electrons are in this configuration 1s2 2s2 2p6 3s2 3p3
1. 1 answer
2. 632 views
Eric is twice as old as Ernest, who in turn is 5 years older than mike.if their total age is 47 years, how old is each of them?
1. 1 answer
2. 555 views
A stick is 203cm long. The stick is cut into n pieces, each the same length. What is the length of each piece?
1. 1 answer
2. 565 views
The efficiency of a machine is 80%.calculate,the amount of energy needed by the machine to do work of 150joules.
1. 0 answers
2. 586 views
A projectile leaves the ground at an angle of 60degree to the horizontal.it initial kinetic energy is E. Neglecting air
1. 1 answer
2. 3,450 views
A bullet is fired horizontally from the top of a cliff with a speed of 30m/s.assuming that there is no air resistance, what will
1. 1 answer
2. 955 views
A ladder leans against a vertical wall of height 12m.if the foot of the ladder is 5m away from the wall,calculate the length of
1. 4 answers
2. 3,575 views
A box contain 40 pens of equal sizes.10 of them are green and 18 are red.if a pen is chosen at random from the box,what is the
1. 5 answers
2. 2,327 views
. The three consecutive terms of anexponential sequence (G.P) are the second, third and sixth terms of a linear sequence (A.P).
1. 1 answer
2. 3,808 views
The first term of an AP is equal to thrice the common difference. What is the sixth term of the AP,if the common difference is 8
1. 3 answers
2. 1,550 views
Please I need a detailed explanation, am stuck doing this assignment, at what temperature in kelvin will co2 molecules have an
1. 0 answers
2. 642 views
The position vector of m in the same plane are as the point a and b is given by m=1÷2(a+b).if the vector A(-4,-3),B(2,-1).What
1. 0 answers
2. 493 views
graph of 5x-2y=6 value 0=2
1. 3 answers
2. 365 views
Out of 300 student in final year in senior secondary school, 200 are offering biology and the150 offering chemistry how many are
1. 1 answer
2. 696 views
Steve the builder was plastering a wall while standing on a ladder..he noticed that the number of rungs/steps below,the rung he
1. 1 answer
2. 683 views
Sin3A=3sinA-4sin(x/2)^3find x interms of A? PLZ show working got no ideal at all
1. 3 answers
2. 559 views
Y=|X^2+3x-4|find dy/dx?
1. 3 answers
2. 331 views

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