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Sinachi

Questions (351)

Fill the bracket with mon ma or mes() ville, c'est Ibadan. () ecole est juste a cote de () maison () professeurs sont gentiles.
1. 1 answer
2. 204 views
Translate to FrenchArm Hand Mouth
1. 1 answer
2. 171 views
Translate to FrenchHair Eyes Ear Nose Face Cheek Neck Chest Shoulder Stomach Fingers Laps Knee Feet Toes Hips
1. 1 answer
2. 146 views
Science, features and methodsKey concept: scientific method
1. 1 answer
2. 109 views
Brief history and evolution of scienceKey concepts: periods in science; science in ancient africa; science in ancient Greece;
1. 1 answer
2. 294 views
Importance of science
1. 1 answer
2. 98 views
Political economy involves any government policy that has an economic impact. Discuss this
1. 3 answers
2. 151 views
Political economy involves any government policy that has an economic impact. Discuss this in 3 points
1. 1 answer
2. 147 views
Write short notes on the followingCapitalism Socialism Communism
1. 1 answer
2. 181 views
Enumerate six characteristics of science
1. 1 answer
2. 211 views
List five major attainments of science in ancient africa
1. 1 answer
2. 362 views
What are the scientific discoveries of the modern period
1. 1 answer
2. 192 views
Give a brief analysis on the decline of science
1. 1 answer
2. 170 views
What is the principle of all things of the universe for Parmenides
1. 1 answer
2. 232 views
What is the principle of all things of the universe for the following philosophersThales Anaximander Anaxagoras Pythagoras
1. 1 answer
2. 160 views
Write a narrative essay of not more than 400 words and not less than 350 words on the topic a memorable day in my life
1. 1 answer
2. 167 views
Write an essay of not more than 400 words and not less than 350 words on the topic my Alma mater
1. 1 answer
2. 159 views
Biotechnology was introduced by who in what year
1. 0 answers
2. 101 views
Translate to EnglishMa mere est contente Nous some dans la classe Je suis etudiante
1. 1 answer
2. 196 views
Change to singularCe sont des livres Les etudiantes sont dans la classes
1. 1 answer
2. 170 views
Change the verb in the bracket to the correct tenseOn (manger) avec la bouche Je (travailler) dans l'hopital Nous (dancer) a
1. 1 answer
2. 221 views
Change to pluralUe fille blanche Un sac Bleu Mon pere eat travailleur
1. 1 answer
2. 118 views
Determine all the vertical asymptotes of the graph of the function f(x)=(x^2+1)/x^2-1
1. 1 answer
2. 134 views
Determine the horizontal aymptotes of the function f(x)=3x^2/x^2+1
1. 1 answer
2. 139 views
A ladder 25feet long is leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of
1. 3 answers
2. 222 views
A ladder 25feet long is leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of
1. 1 answer
2. 230 views
ladder 25feet long is leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of
1. 1 answer
2. 209 views
A ladder 25feet long 8s leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of
1. 1 answer
2. 209 views
A ladder 25feet long 8s leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of
1. 1 answer
2. 211 views
Two cars A and B are going in some directions. A is going was at 60km/h and B is going south at 48km/h. Both of them are
1. 1 answer
2. 198 views
A man 1.6m tall walks away from a street light a speed of 1.5m per second. If the light is 5m above the pavement. How fast is
1. 9 answers
2. 186 views
An airplane is flying on a flight path that will take it directly over a radar tracking station. The airplane is flying at an
1. 1 answer
2. 287 views
If the radius of a sphere decreases by 0.1%, find the percentage decrease in the surface area and volume
1. 1 answer
2. 140 views
Find the range of values of x for which each of the following functions is decreasing(x^2)/2-5x+1 x^3-(5/2)x^2-2x+1
1. 1 answer
2. 151 views
Find the approximate values of the following using differentials√(25.01) 3√(125.1) √(36.01)
1. 1 answer
2. 162 views
Find the asymptotes of x^2(x^2+2)=y^3(x+5)
1. 1 answer
2. 97 views
Find the area bounded by the curve y=x^2+3, the x axis and the ordinates x=0, x=5
1. 1 answer
2. 134 views
If f(x)=x^2-1,-2≤x<4 and g(x)=2/x-3, 0<x≤5. Find the common domain of h(x)=f(x)+g(x)
1. 1 answer
2. 131 views
Find the equation of the tangent and the normal lines to the curves x^2y+y^3x+3x-13=0 at the point (1,2)
1. 1 answer
2. 146 views
Find the equation of the tangent and the normal lines to the curvesy=2x^3-x^2+3x+2 at the point x=1
1. 1 answer
2. 143 views
Find the equation of the normal lines to the curvesy=2x^3-x^2+3x+2 at the point x=1 x^2y+y^3x+3x-13=0 at the point (1,2
1. 1 answer
2. 128 views
Find the equation of the tangent and the normal lines to the curvesy=2x^3-x^2+3x+2 at the point x=1 x^2y+y^3x+3x-13=0 at the
1. 1 answer
2. 183 views
Find the range of values of x for which each of the following functions is increasing(3/10)x^4-(4/5)x^3-3x^2+36/5x+1 1+3x-2x^2
1. 1 answer
2. 120 views
Find c in the interval [-2,1] which satisfies the mean value theorem for f(x)=x^3-2x^2+x+1
1. 3 answers
2. 150 views
Find c in the interval [-2,1] which satisfies the mean value theorem for f(x)=x^3+x+1
1. 1 answer
2. 119 views
Determine the domain and range of the function f(x):Ɍ→Ɍ such thatf(x)=(x^2)/√(x^2-4) f(x)=(2x)/(x-2)(x+1)
1. 1 answer
2. 143 views
Find the inverse functions (f^-1(x)) of the functions belowf(x)=x^3+3 f(x)=(x+1)/(x-2) ; x≠2
1. 1 answer
2. 152 views
Find the slope of the tangent line for the curve xy^3-yx^3=6 at the point(1,1)
1. 1 answer
2. 147 views
Find the domain and range of the following functionsf(x)=√(1-x^2) f(x)=(x-4)/(x^2-2x-15) f(x)=In(x-8)
1. 1 answer
2. 134 views
Determine the domain and rage of the following functions F:R→R such that1/√(9-x^2) 3x/(x-2)(x+1) √((x)/(2-x))
1. 1 answer
2. 112 views
Verify that lim 3x-5/4x^2+9=1/25
1. 3 answers
2. 127 views
If f(t)=3^t, show that f(t+3)+f(t-1)=27f(t)
1. 1 answer
2. 86 views
If f(t)=3^t, show that f(t+3)+f(t-1)=26f(t)
1. 3 answers
2. 98 views
Find the Taylor and maclaurin series for the function f(x)=cosx at c=π/6 and c=0 respectively
1. 1 answer
2. 134 views
The total cost, y naira, manufacturing x units of an article is given by the relation y=(5/4)x^2+20/x. Find the number of units
1. 1 answer
2. 179 views
An open tank of square base is to be made from a square sheet of metal if sides 20m by cutting square pieces from each of the
1. 1 answer
2. 167 views
Find the greatest product of two numbers whose sum is 12
1. 1 answer
2. 151 views
Determine the critical points of the function f(x)=x^3-6x^2+9x+1 and state their nature
1. 7 answers
2. 140 views
Determine the critical points of the function f(x)=x^4-6x^2+8x+10 and state their nature
1. 1 answer
2. 122 views
A body is projected vertically upward and the height hmeters reached after a time t seconds is given by h=196t-4.9t^2.find the
1. 1 answer
2. 104 views
The position of two particles p1 and the end of t seconds is given by s1=3t^3-12t^2+18t+5, s2=-t^3+9t^2-12t. When do the two
1. 1 answer
2. 132 views
The position of two particles p1 and the end of t seconds is given by s1=3t^3-12t^2+18t+5, s2=-t^4+9t^2-12t. When do the two
1. 1 answer
2. 138 views
The angle∅ swept by a particle moving round a circle at time t is given by ∅=t^2+3t-5. Find the acceleration at t=5s
1. 1 answer
2. 125 views
The angle∅ swept by a particle moving round a circle at time t is given by ∅=t^3+3t-5. Find the acceleration at t=5s
1. 1 answer
2. 141 views
Find the inverse of the matrix[1 2 3 1]
1. 1 answer
2. 163 views
The angle∅ swept by a particle moving round a circle at time t is given by ∅=t^2+3t-5. Find the angular velocity and
1. 1 answer
2. 140 views
The angle∅ swept by a particle moving round a circle at time t is given by ∅=t^3+3t-5. Find the angular velocity and
1. 1 answer
2. 182 views
A cylindrical tank closed at both ends with circular base is to hold 8000cm^3 of liquid. Find the minimum amount of metal sheet
1. 1 answer
2. 202 views
Find the approximate increase in the surface area of a spherical balloon if it's radius increases from 4cm to 4.025cm
1. 1 answer
2. 218 views
If a side of a square increases by 0.5%, find the approximate percentage increase in the area
1. 1 answer
2. 203 views
Differentiate the following functionsy=In((1-3x^2)/(1+3x^2))^1/2 y=((sin4x)/1+cosx)^5
1. 3 answers
2. 131 views
Differentiate the following functionsy=In((1-3x^2)/1+3x^2)^1/2 y=((sin4x)/1+cosx)^5
1. 1 answer
2. 142 views
Using the quotient rule find the first derivative of the function y=((3x+1)(cos2x))/e^2x
1. 1 answer
2. 243 views
Find dy/dx if y=cos2t, x=sint
1. 5 answers
2. 177 views
Find dy/dx if y=cost, x=sint
1. 3 answers
2. 220 views
Determine the slope of the graph 3(x^2+y^2)^2=100xy at the point (3,1)
1. 5 answers
2. 176 views
Find dy/dx given that y^3+y^2-5y-x^2=-4
1. 1 answer
2. 106 views
Using the chain rule, find the first derivative of y=tan^2(3x)
1. 3 answers
2. 162 views
Find the area of region between the graph of y=x^2+4x+3 and y=x^2 between the intervals x=1 and x=3
1. 3 answers
2. 118 views
Find the area enclosed between the curve y=x^3 and the straight line y=x
1. 1 answer
2. 190 views
Determine the vertical asymptotes of the graph of the following functionsf(x)=cotx f(x)=x-2/x^2-4
1. 1 answer
2. 128 views
Determine the vertical asymptotes of the graph of the following functionsf(x)=5+2x^2/2-x-x^2 f(x)=x^2-25/x^3-6x^2+5x
1. 1 answer
2. 121 views
Determine the equation of the tangent and normal to the graph x(xy+y^3)-13=0 at the point (1,2)
1. 3 answers
2. 131 views
Determine the equation of the tangent and normal to the graph x(xy+y^3)-24=0 at the point (1,2)
1. 3 answers
2. 115 views
Sketch the graph of the followingy=√(x-1):x≥2 f(x)=3-x^2:-4≤x≤4
1. 1 answer
2. 120 views
By first principle find the derivative of y=√t at the point (1,1). Discuss the behaviour of the function at point (0,0)
1. 3 answers
2. 144 views
Determine the first derivative of e^x^3
1. 1 answer
2. 111 views
Determine the first second and third derivatives of e^x^3
1. 1 answer
2. 141 views
Determine the first second and third derivatives of sin2x^2
1. 2 answers
2. 164 views
Determine the first second and third derivatives of 2x^13-3x^8+x^7-5x^3
1. 1 answer
2. 138 views
Determine whether the function f(x)=sin^4xtanx is even or odd
1. 1 answer
2. 117 views
Find the even and odd part of the function f(x)=3x^2-2x+1
1. 1 answer
2. 165 views
Find the inverse f^-1(x) of the following functionsf(x)=3x-7 f(x)=x^2/(x^2-2)
1. 1 answer
2. 110 views
Determine the slope of the graph 3(x^2+y^2)^2=100xy at the points (3,1)
1. 3 answers
2. 118 views
Identify the phrases of the bracketed words and their functions in the passageOne night (on the bluff) overlooking the rift
1. 1 answer
2. 140 views
What is the grammatical position of the bracketed words in the following sentences(Timothy) is a boy. She brought the (nurse)
1. 1 answer
2. 208 views
What is the grammatical position of the words In brackets in the following sentences(Timothy) is a boy. She brought the (nurse)
1. 1 answer
2. 191 views
Change the following sentences from active voice to passive voiceThe classroom was swept by Amala French is spoken in
1. 1 answer
2. 328 views
Function of a prepositional phrase
1. 1 answer
2. 162 views
Change the following sentences from active voice to passive voiceThe teacher was teaching grammar in the classroom then I have
1. 1 answer
2. 304 views

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