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Lucas

Questions (160)

In a group of 105 students, 70 students passed Mathematics, 60 students passed History and 45 students passed Geography; 30
1. 5 answers
2. 1,522 views
A bullet whose mass is 0.0015kg leaves a 5kg leaves a 5kg rifle at a muzzle velocity of 800 m/s. It strikes a 7kg block of wood
1. 1 answer
2. 1,236 views
The graph of the function f(x)=2^x/a passes through the points (0,b) and (2,0.8). Calculate the values of a and b.Thank you so
1. 1 answer
2. 673 views
A rocket follows a parabolic trajectory. After t seconds, the vertical height of the rocket above the ground, in metres, is
1. 1 answer
2. 975 views
A company's weekly profit, in riyals, is modeled by the function P(u)=-0.032u^2+46u-3000. where u is the number of units sold
1. 2 answers
2. 2,288 views
A company's weekly profit, in riyals, is modeled by the function P(u)=-0.032u^2+46u-3000. where u is the number of units sold
1. 1 answer
2. 659 views
A company's weekly profit, in riyals, is modeled by the function P(u)=-0.032u^2+46u-3000. where u is the number of units sold
1. 0 answers
2. 755 views
A farmer has 110 metres of fencing to fence off a rectangular area. Part of one side is a wall of length 15m. Find the
1. 2 answers
2. 2,364 views
A farmer has 110 metres of fencing to fence off a rectangular area. Part of one side is a wall of length 15m. Find the
1. 1 answer
2. 599 views
Minni travels to Italy. She changes 550 GBP to euros at an exchange rate of 1 GBP = 1.18 euros. The bank charges commission and
1. 2 answers
2. 459 views
Please Simplify:(1/8)(40v−24y)−(1/7)(21v−35y+9)−(1/6) (1/11)(55x−22)−(1/2)(18x−2v)
1. 1 answer
2. 443 views
A rancher wants to make an animal pen by fencing in an area of 2500000 square feet in a rectangular field and then divide it up
1. 1 answer
2. 698 views
Determine the compound interest rate,correct to two decimal places,Emile would require to triple his investment over a period of
1. 1 answer
2. 385 views
Lucas invests R4million into an account earning interest of 6% per annum compounded monthly.He withdraws an allowance of R30000
1. 0 answers
2. 403 views
In a quadratic sequence.....Term 2 is 11,Term 4 is -7,term 7 is -64....determin the general term for the sequence
1. 3 answers
2. 478 views
Ted needs to take out a loan to buy a new bicycle.He is able to repay the loan by means of 15 semi-annual payments of
1. 0 answers
2. 477 views
A farmer deposits R11 944, for 60 months to buy a tractor.suppose that 12 months afta the purchase of the present tractor and
1. 0 answers
2. 536 views
Determine how long in years it will take the value of a motor vehicle to decrease to 25% of its original value if the rate of
1. 2 answers
2. 508 views
Thato caught 4 snails and placed them all in the same small circle on the ground and organised a race......1st snail travelled
1. 2 answers
2. 577 views
If n=5 and r=1 (1+b)=10a,determine b in terms of a
1. 5 answers
2. 393 views
1..The first 2 terms of a geometric progression are the same as the first two terms of an arithmetic progression.The first term
1. 2 answers
2. 2,501 views
Eric thinks of 2 sequences.One is geometric and the other arithmetic.Both sequences start with the number 3.The common ratio of
1. 2 answers
2. 923 views
An arithmetic and a geometric sequence have the same first terms.(2)....and the same second term say X..The sum of the first 3
1. 1 answer
2. 1,171 views
The sum of the first n terms of a sequence is given by 4-4(1/2)^n.calculate the first 3 terms
1. 1 answer
2. 1,000 views
-4r^2+21r=r+133s^2-26s+2=5s^2+1 Please, please could you be so nice and help me with step by step, I can't find right solution,
1. 1 answer
2. 371 views
Given: WACC= 12%, NPV=+1,491.39, IRR=14.87378%, your all-equity firm has 5,000 common shares outstanding, and the cash flows
1. 0 answers
2. 466 views
You are told by the finance section that a particular projects NPV is positive, but that the standard deviation of the NPV
1. 0 answers
2. 439 views
Find the length of a rectangle if its diagonal is 34 cm long and the angle the diagonal makes with the length is 27° 50'.
1. 1 answer
2. 530 views
The sector shown is formed into a cone by joining its two radii. Calculate the volume of the cone correct to the nearest whole
1. 1 answer
2. 1,930 views
A tetrahedron is a triangular pyramid in which each face is an equilateral triangle. Calculate the volume of a tetrahedron that
1. 1 answer
2. 1,168 views
Calculate the volume of a square pyramid if it has a base area of 64 cm^2 and the distance from the apex to a corner of the base
1. 2 answers
2. 759 views
Find the surface area of pyramid that has a regular hexagonal base od edge 6 cm and a height of 8 cm.Thank you so much
1. 1 answer
2. 1,282 views
Find the surface area of pyramid that has a regular hexagonal base od edge 6 cm and a height of 8 cm.Thank you so much
1. 0 answers
2. 942 views
A rectangular prism has a volume of 750 cubic millimeters. Its length is 15 millimeters, and its width is 10 millimeters. What
1. 3 answers
2. 1,734 views
Arrange the species O2, O2^+, O2^-, and O2^2- in order of increasing O-O bond length.
1. 1 answer
2. 1,016 views
Al(NO3)3 + NH3 --> ?
1. 1 answer
2. 365 views
I^- H5IO6 BrO2 HClO I2Which could not disproportionate?
1. 1 answer
2. 795 views
3Ag(s)+4HNO3(aq)-->3AgNO3(aq)+NO(g)+2H2O(l)Write the new ionic equation.
1. 0 answers
2. 659 views
What would happen if MnO2 was mixed with KBrO3 ND 9 M sulfuric acid?
1. 1 answer
2. 420 views
What would happen if chlorine water was added to an aqueous solution of sodium chloride?
1. 1 answer
2. 443 views
Mass of sample 0.0581 gMass of BaSO4 0.0860 g What is the mass of sulfate?
1. 1 answer
2. 393 views
A chemistry student weighs out 0.172 grams of acrylic acid (HCH2CHCO2) into a volumetric flask and dilutes to the mark with
1. 1 answer
2. 1,323 views
"How are African Mahogany trees grown, harvested and transported?"Thank you Ms.Sue for the link but if you read the information
1. 1 answer
2. 419 views
How are African Mahogany trees grown, harvested and transported?
1. 1 answer
2. 392 views
A car slows down from 18 m/s to rest in a distance of 91 m. What was its acceleration, assumed constant?
1. 2 answers
2. 1,270 views
Write two other ratios equal to 9/12?
1. 1 answer
2. 509 views
complete the table:y= x - +4 x: +4,0,-4.-6 y: ?,?,?,?
1. 3 answers
2. 375 views
kyle just started a new job that pays $7 per hour. He had been making $5 per hour at his old job. Kyle worked a total of 54
1. 1 answer
2. 1,465 views
kyle just started a new job that pays $7 per hour. He had been making $5 per hour at his old job. Kyle worked a total of 54
1. 3 answers
2. 1,019 views
Using condensed electron configurations, give reactions showing the formation of the common ions of the following elements.
1. 1 answer
2. 667 views
Using condensed electron configurations, give reactions showing the formation of the common ions of the following elements.
1. 1 answer
2. 704 views
A 75 g bungee cord has an equilibrium length of 1.20 m. The cord is stretched to a length of1.80 m, then vibrated at 20 Hz. This
1. 1 answer
2. 8,077 views
A heavy piece of hanging sculpture is suspended by a 90 cm long, 5.0 g steel wire. When thewind blows hard, the wire hums at its
1. 0 answers
2. 1,041 views
An electron iwth an initial speed of 500,000 m/s is brought to rest by an electric field.(a) Did the electron move into a region
1. 2 answers
2. 1,918 views
The electron gun in a television tube uses a uniform electric field to accelerate electrons from restto 5.0×107 m/s in a
1. 2 answers
2. 3,444 views
Can someone help me solve this please?[SQRT(2x2 + 6x + 4)] = x + 1
1. 6 answers
2. 470 views
Is Mississinewa Lake a mjor lake in Indiana?
1. 2 answers
2. 475 views
Find the percent.13% of 17?
1. 5 answers
2. 376 views
Train A and train B leave station going in opposite directions. Train B leaves 1/2 later than train A. Train B travels 80km/h
1. 2 answers
2. 1,084 views
What do you call the numbers that cannot be arranged into 2/ row arrays
1. 2 answers
2. 504 views

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