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Questions Asked on July 22, 2020

Ama is four times as old as Akua. In ten years time, Ama will be twice as old as Akua. What is their ages.
1. 8 answers
2. asked by Reindolf
3. 4,359 views
A block and tackle having a velocity ratio of 5 is used to raise a load of 400N through a distance of 10m. If the work done
1. 4 answers
2. asked by Michael Nyame
3. 3,749 views
How much longer does it take an automobile to travel one mile at 20 miles per hour than at 30 miles per hour?a) 1 minute b) 10
1. 4 answers
2. asked by grape raisin
3. 679 views
Using a converging lens ,an object is placed at distance less than f from the lensimages as
1. 0 answers
2. asked by Anonymous
3. 463 views
Tony is picked up by an ambulance, which moves in a straight line with position given by s(t)=2t^3 - 9t^2 + 12t - 5 metres,
1. 1 answer
2. asked by Sami
3. 409 views
c) Knowing Tony is injured, they need to travel the shortest distance possible back to a road. They are located at (4,11),
1. 1 answer
2. asked by Sami
3. 515 views
How much heat is contained in 100 kg of water at 60.0 °C? (Hint: A substance at absolute zero, -273o C, has 0 heat content.)
1. 1 answer
2. asked by hista
3. 833 views
A son is 8 years old. His father is five times as old.How old was the father when his son was born?
1. 2 answers
2. asked by Emily
3. 1,088 views
Four cards are randomly drawn from a standard deck of 52 cards. Find each probability.a. P(1 ace and 3 kings) b. P(2 odd and 2
1. 1 answer
2. asked by Bri
3. 2,728 views
Consider a 100[W] incandescent light bulb powered by an off-grid PV system. The bulb is on 14 hours per day, and the acceptable
1. 0 answers
2. asked by Adity
3. 429 views
An off-grid PV system has a constant daily energy demand of 100[Wh] . The system is equipped with two batteries of 12[V] and
1. 0 answers
2. asked by Adity
3. 439 views
need some help on this problem:An irrigation drip arm is 28 feet long and pivots about a center one revolution each hour. A
1. 1 answer
2. asked by needhelp!!!
3. 534 views
Consider an off-grid PV system with storage that powers an incandescent bulb load using an inverter. The area of the PV array is
1. 0 answers
2. asked by Adity
3. 435 views
At what point on the curve x = 3t^2 + 2, y=t^3-8 does the tangent line have slope 1/2?
1. 3 answers
2. asked by Sky
3. 4,180 views
What is the value of the y-coordinate of the solution to the system of equations?X + 2y = 4 -2y - 3y =9
1. 1 answer
2. asked by Maria
3. 609 views
Ghulam sees the school 800m in the distance.He looks up to the top of the school and the angle of elevation is 32 degrees If
1. 1 answer
2. asked by Chels
3. 392 views
The wavelengths of various colours of light can vary. Violet light can have a wavelength of 400 nm and red light can have a
1. 2 answers
2. asked by Haly
3. 902 views
a spring of forceconstant 1500n/m is acted upon by a constant force of 75n calculate the potentialenergy stored in the spring
1. 1 answer
2. asked by Annabel
3. 368 views
Interchange the order of integration and evaluate the integral [0,8]∫ [∛y,2]∫ (e^x^4)dxdy
1. 3 answers
2. asked by C
3. 430 views
The state tax rate on 1973 incomes was 2% on the first $1000 of income subject to tax and 3% on the next $2000 or any part
1. 1 answer
2. asked by grape raisin
3. 895 views
On a trip mrs. ahmed drove 188 miles in 4 hours. On the return trip, she took a different route and traveled 197 miles in 4.5
1. 2 answers
2. asked by dfhj
3. 1,245 views
A circular race track is being built. The outsidediameter of the track is 200 feet, and the inside diameter is 180 feet. If two
1. 5 answers
2. asked by helpmeplease
3. 1,174 views
On a trip, Mrs. Harper drove 188 miles in 4 hours. On the return trip she took a different route and traveled 197 miles in 4.5
1. 2 answers
2. asked by springy
3. 480 views
Your car’s speedometer is geared to accuratelygive your speed using a certain size tire. Suppose your car has d = 14 inch
1. 0 answers
2. asked by anonymous
3. 698 views
Which best explains why the Bosnian-Serb genocide occurred in Yugoslavia after the end of the Cold War?
1. 1 answer
2. asked by yo
3. 547 views
A drop of volume 10^-10m^3 spreads out on a water to make a circular film of radius 10^-1m. What is the thickness of the film?
1. 1 answer
2. asked by Onuchukwu Preciousgift
3. 563 views
Identify the correct preposition to use in this expression.Jeannette and her sister bumped into each other by accident—neither
1. 1 answer
2. asked by Ziying
3. 654 views
1. The usual minimum is a pole mounted flag with suitable name/symbol.2. Modern stops are mere steel and glass/perspex
1. 1 answer
2. asked by rfvv
3. 469 views
SOMEONE PLSS HELP. Using the following spontaneous reactions, classify the 3 metals involved (Cr, Sn, Al) according to
1. 0 answers
2. asked by Anonymous
3. 344 views
1. Write a quadratic equation to find two consecutive odd natural numbers whose product is 63. Then find the numbers.
1. 1 answer
2. asked by nora
3. 452 views
14. Write a quadratic equation that cannot be factored.
1. 1 answer
2. asked by nora
3. 1,361 views
Tony's blood pressure can be modelled using the function P(t)=1000(sin t)(e^-2t), where 0 ≤ t ≤ 2 minutes. His body is
1. 5 answers
2. asked by Sami
3. 1,075 views
How much material would you need to fill the following cylinder? Radius 13 in. and Height 9 in.39π in3 117π in3 1053π in3
1. 2 answers
2. asked by jessica
3. 1,679 views
Production at a factory last quarter was 189,800 units. If the factory expects to produce 11.5% less units this quarter, how
1. 1 answer
2. asked by LaQuesha
3. 463 views
Sales at a deli increased 19.5% this month compared to last month. If sales this month were $159,413, what were the sales last
1. 1 answer
2. asked by LaQuesha
3. 371 views
A shipping company processed 40,068 packages this month. If this is 30% less than last month, how many packages did they process
1. 1 answer
2. asked by LaQuesha
3. 397 views
James is the campaign manager for a candidate for mayor. Through a commissioned poll, he discovers that the candidate's approval
1. 1 answer
2. asked by LaQuesha
3. 428 views
Translate into an equation: The quotient of T and 31 makes 14.
1. 1 answer
2. asked by LaQuesha
3. 470 views
Last month a store sold 7 times as many CDs as tapes. If the total quantity of these two items sold was 688, how many tapes did
1. 1 answer
2. asked by LaQuesha
3. 441 views
Which best describes the reason for increased European sailing voyages during the Age of Discovery?A) Explorers were seeking to
1. 6 answers
2. asked by Junior Boi
3. 1,955 views
. Using the following spontaneous reactions, classify the 3 metals involved (Cr, Sn, Al) according to increasing reductant
1. 1 answer
2. asked by Anonymous
3. 1,116 views
I was sailing on a boat for the past three weeks, and it’s ______ my ability to walk on landChoose 1 answer: (Choice A) A
1. 2 answers
2. asked by Ziying
3. 1,020 views
How are women discriminated in different spheres ?
1. 1 answer
2. asked by Anonymous
3. 329 views
a body moving with a velocity of 20m/s slows down to 10 m/s in 2 second . find the accelaration and DISTANCE . CLASS 9
1. 1 answer
2. asked by ANSH MISHRA
3. 347 views
150gram of NaoH were dissolve in 250cm³ of a solution. Calculate the volume of 0.10m of HCl which would be neutralize by 20cm³
1. 1 answer
2. asked by Jeremiah
3. 364 views
If this resistor is made of a material of cross- sectional area 4×10^-4cm^2 and resistivity 2×10^-6ohmcentimeter, calculate
1. 1 answer
2. asked by Ms Fatimah
3. 558 views
An isosceles triangle ABC has its vertices on a circle. If /AB/=13 cm, /BC/=13 cm and /AC/=10 cm, calculate the height BM of the
1. 2 answers
2. asked by Praise
3. 411 views
If 5sin
1. 1 answer
2. asked by Bandana gupta
3. 391 views
Solve the equation(3x- 2)/8 = (8+5x)/2.
1. 1 answer
2. asked by Sarah
3. 303 views
What was the counterculture?a)civil rights protesters who organized sit-in protests at lunch counters b)a means of overthrowing
1. 4 answers
2. asked by Naomi
3. 1,419 views
An effort force of 60N is applied to rise a load 100N. If the load is carriedthrough a distance of 20m and the effort moves
1. 1 answer
2. asked by saron
3. 624 views
a paper cone has a base diameter of 8cm and a height of 3cm.calculate the volume of the cone in terms of pie and make a sketch
1. 15 answers
2. asked by Love
3. 6,300 views
5. Once Tony reached the hospital, he is carried on a stretcher through the corridors to the emergency area. Two corridors meet
1. 3 answers
2. asked by Raj
3. 752 views

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