2,563 Answered Questions for the topic Maths

02/23/20

physics question
a flywheel in a large factory stores energy in the form of rotational kinetic energy. assume that a flywheel is a uniform iron cylinder with a mass of 1200 kg and a radius of 2.3 m. In addition,... more
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02/21/20

it's subtracting that I can't do

i have three options 730, 1520 or 2330i need to get to 0 with these given numbers 125, 165 and/or 195
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Maths

02/13/20

Question about neuron speed.

A neuron travels at 120 metres per second. How many milliseconds does it take for a neuron to travel 1.6 metres? Round your answer to one decimal place.
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Maths

02/13/20

Mwamburi's share of a piece of land is 2/5, Lelmusia's share is 1/2 of the reminder. If the area of the land is 120ha, how much land does Lelmusia's have?
Mwamburi's share of a piece of land is 2/5, Lelmusia's share is 1/2 of the reminder. If the area of the land is 120ha, how much land does Lelmusia's have?
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02/11/20

precalc question
An aircraft is flying at the speed of 500 mph at an elevation of 10 miles above the earth, beginning at the North pole and heading South along the Greenwich meridian. A spy satellite is orbiting... more
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Maths

02/10/20

The ratio of boys to girls in a group is 7:3. If there are 40 more boys than girls, work out how many people there are in total.
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Maths

02/09/20

What is 3/4 as a decimal
I don't know what 3/4 is as a deimal
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02/05/20

Solve please thanks

Natasha and Richard win some money and share it in the ratio 5:1. Natasha gets £32 more than Richard. How much did Richard get?
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Maths

02/03/20

Gavin, Sarah and Pip share £136 in a ratio 3:2:3. How much money does each person get?
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02/03/20

Precalc question
A water treatment facility operates by dripping water from a 60 foot long arm whose end is mounted to a central pivot. The water then filters through a layer of charcoal. The arm rotates once every... more
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Maths

02/03/20

Find the product of all solutions of the equation (10x + 33) · (11x + 60) = 0
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Maths Geometry

02/02/20

I need help with this urgently
Billy likes to go cycling.His bike has wheels of diameter 75.One day his wheel makes 380 revolutions. How far has Billy cycled?
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01/30/20

The concept of Function (maths) in our lives and its purpose
Reflect on the concept of function. What concepts (only the names) does a person need to accommodate the concept of function in their mind? What is the simplest function one can imagine? In day to... more
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01/29/20

Quadratic equations: variables in exponents using prime numbers
I can't find the solution, could I get some help please?22x - 24.2x + 128 = 0 thanks for the help
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01/28/20

I can’t solve this maths question

Jim and Krutika win some money and share it in the ratio 7:1. Jim gets £66 more than Krutika. How much did Krutika get?
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Maths Algebra 1

01/27/20

What is 5t-3=2t
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01/27/20

an equation that could be used to determine the time, t, in seconds, for the ball to reach the ground. Assume ground level is at a height of 0 ft. 
The height, h, of an object that is thrown upwards into the air can be represented as h = 0.5 at 2 + v 0 t + h 0, where a represents the acceleration due to gravity (– 32ft s 2 ), v 0 represents... more
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01/26/20

What are the values of a, b, and c for the equation 5x- 3y= -30

I understand that a and b cannot be negative, but in the problem given they are. Could someone help explain how to find the values with them being positive. 5x-3y=-30
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01/22/20

Precalc question
A street light is 10 feet above a straight bike path. Olav is bicycling down the path at a rate of 15 MPH. At midnight, Olav is 33 feet from the point on the bike path directly below the street... more
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Maths English

01/19/20

Serah gets three times as much pocket money as Raj got two years ago. Raj pocket money goes up by €1 a year. He now gets €3 a week. How much did Raj get two years ago?
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Maths

01/13/20

a meal costs £125 between six people. how much do they each have to pay?
maths word equation
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01/10/20

Averaging percentages

How do you find the average for 3 percentages?
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01/09/20

Rank in order (Highest to Lowest) change in operating expenses from year 1 to year 2
Question: Rank in order from highest (1) to lowest (5) in terms of the change in operating expensesKey: m = millionoperating expenses:A - year1=12.8m & year2=9.9mB - year1=25.1m &... more
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01/09/20

Rank in order (Highest to Lowest) change in operating expenses from year 1 to year 2
Question: Rank in order from highest (1) to lowest (5) in terms of the change in operating expensesKey: m = millionoperating expenses:A - year1=12.8m & year2=9.9mB - year1=25.1m &... more
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01/09/20

Change in operating expenses from year 1 to year 2
Question: Rank in order from highest (1) to lowest (5) in terms of the change in operating expensesKey: m = millionoperating expenses:A - year1=12.8m & year2=9.9mB - year1=25.1m &... more
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