Questions Asked on
June 29, 2020

geometry
Points A, B, and C are collinear with B between A and C. Points M and N are the midpoints of segments AB and AC , respectively. Prove that BC = 2MN.
asked by Anonymous 
mathematics
A director in a parastatal earns 1600000 naira per annum. His wife died three years ago leaving him with four young children.How much tax does he pay if he claims an allowance of 24000 naira for insurance premiums?
asked by david t 
Math
(2/9)^3×(2/9)^(6)=(2/9)^(2m1)
asked by Gen 
mathematics
A man has a wife and six children(the oldest of whom is 13 years).He claims 32000 naira for a dependent relative .How much tax does he pay in a year in which he earns 670 000 naira?
asked by david t 
calculus
Can somebody so I how to d/dx((6x^6)/(1+4x^6)^3/2)
asked by Anonymous 
physics
For a YouTube video, a son agrees to let his dad shoot an apple off his head with a crossbow. The mass of the arrow is 125 g. The mass of the apple is 101 g. Right before the arrow hits the apple, the arrow is traveling at 25.0 m/s horizontally. If the son
asked by Jasmine 
PreAlgebra
Hi I’m having trouble with this math topic How changing a value affects the mean and median. My math problem is The monthly rent (in dollars) paid by 10 people are given below. The numbers are 795, 935, 960, 995, 1025, 1030, 1050, 1090, 1105
asked by Savannah 
Mathematics
A bag contains 6 blue balls, 4 green and 2 red. If you put your hand in and picked a ball at random what are the chances it is blue? A. 45% B. 60% C. 50% D. 33.3%
asked by Thomas 
Mathematics
In a class of 42 students,25 offer biology,15 offer history and 18 do biology but not history. i. Draw a Venn diagram to show the information. ii. Find how many students offer neither history nor biology
asked by Goodness 
Mathematics.
Mathematics Calculate the volume of a cylindrical steel bar which is 8cm long and 3.5cm in diameter
asked by Chukwuma 
algebra
Write an algebraic expression for the phrase. 12 minus m
asked by chris 
Mathematics
A is partly constant and partly varies with B. When B =5, A=19 and when B=10, A=34. Find A when B is 7
asked by Anon 
Chemistry
Why does a weather balloon pop if it goes too high? A. The pressure in the balloon decreases as the temperature increases. B. The pressure in the balloon increases as the volume decreases. C. The volume of gas increases as the pressure decreases with
asked by John 
math
How (1+4x^6) equal x^6 +4?
asked by Anonymous 
science
A solar cell with dimensions 12cm x 12cm is illuminated at standard test conditions. The cell presents the following external parameters: Voc=0.8V,Isc=3A,Vmp=0.75V,Imp=2.5A Calculate the fill factor (in %):
asked by Sai Soumya 
chemistry
a certain volume of a gas at 298k is heated such that its volume
asked by Ayoleyi 
Chemistry
The exclusion principle states that: A) if the position of a particle is well known, its momentum will not be well known. B) two photons cannot have the same quantum state at the same time. C) only electrons in the same quantum state can be in the same
asked by Ben 
Calculus
How do I use polar coordinates to prove that the limit of the function f(x,y)=(2xy)/(x^2 +y^2) doesn't exist as it approaches (0,0)?
asked by C 
Mathematics
A rectangular room 8cm long by 5cm wide contains 120cm3 of air.calculate the hieght of the room
asked by Abubakar Muhammad 
Physics
A frictionless inclined plane of inclination 53 degree is used as a machine.what is the efficiency of the machine?
asked by Beemnet ameha 
physics
A stone tied to a string is made to revolve in a horizontal circle of radius 4m with an angular speed of 2 radians per second .with what tangential velocity will the stone move off the circle if the string cuts?
asked by Betty 
math
You roll 2 dice. The first die has 26 sides and contains the 26 letters of the English alphabet; the other die has 12 sides and contains numbers 112. What is the probability that you will roll a letter with one enclosed area (A, D, O, P, Q, R) and a
asked by carl 
Science
For a precipitate and matrix of equal molar volumes, the interfacial strain energy will be smallest for which of the following conditions: A coherent boundary? A semicoherent boundary? An incoherent boundary? None of the above? or Not enough information
asked by hewhomustbenamed82 
Science
A semicoherent interface and a lowangle grain boundary are two different terms for the same thing. True? False? or Not enough information to answer? Which option is correct?
asked by hewhomustbenamed82 
physics
A Speedboat whose velocity in still water is 12m/s, is crossing a river flowing due east,at a velocity of 5m/s. If the boat is moving due North, Calculate its velocity across the river and the direction the boat is moving.
asked by Oluwatobilola 
Science
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 still water is 6 km/h . 1. In what direction will it cross the stream in the least possible time.? 2.In what direction will it
asked by Pearl 
Algebra
Hey!! I would SUPER appreciate it if you could help me with these! Thank you! :) 1. Astronomers measure large distances in lightyears. One lightyear is the distance that light can travel in one year, or approximately 5.88 x 1012 miles. Suppose a star is
asked by i got summer schooled 
Science
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 N.53,13° E. at 5km/h . 1.calculate the velocity of sailing boat A relative to the velocity of sailing boat B.
asked by Pearl 
math
Can somebody shows I how to get from(30x^4 (x^6+4)^3/2 54x^10 (x^6+4)^1/2)/(x^6 +4)^6/2 to (120x^4 24x^10)/(x^6+4)^3/2
asked by Anonymous 
economics
A traditional economy is like a garage sale; (finish the connection). Help please thanks
asked by jake