2,563 Answered Questions for the topic Maths

01/28/18

Bisection method
Bisection method... How to find initial values.. I know we have to check for 0 then 1 then 2 and so on... But in book they have taken negative initial values sometimes how and why i can't understand
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01/27/18

Easy question however, I somehow can't do it
a pupil travels to school either by MRT or by bus. Th probability that the pupil will be late for school is 1/12 if he travels by MRT and 1/9 if he travels by bus. a) if he travels by bus on two... more
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Maths

01/23/18

What is the length and width?
a rectangle has an area of 24cm and a perimeter of 20cm.
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Maths Statistics

01/23/18

How does a smaller sample size and a population normally distributed affect a confidence interval
How does a smaller sample size and  if the population is also normally distributed affect a confidence interval you have calculated ?
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Maths

01/21/18

2 numbers that have a difference of 62
out of 34, 25, 4, -13, -17, -37 what are the 2 number that have a difference of 62
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01/17/18

A projectile travels with a projectile speed of 200m/s at an angle of Pi/4 radians to the horizontal. Calculate the x and y components of the speed
I need help with this question 
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01/17/18

An architect stands 50m from the base of a building. He measures the angle between the base to the top as Pi/3 radians. Calculate the height of the building.
I need help with this question 
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01/17/18

convert 75 degrees into radian measure. calculate the distance between two points on a circle if its radius is 1000m and the angle of separation is 75 degrees.
I need help with this question
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01/17/18

solve the following system by substitution : 2x-3y=-2 and 4x+y=24
I need help with this question. 
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01/17/18

The sum of two numbers is 9. The squares of the two numbers is 41. Find the values of the two numbers.
I need help with the question.
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01/17/18

The sum of the digits of two-digit number is 7. when the digits are subtracted, the number is -5. find the number
I need help with this answer.
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Maths

01/16/18

how does π(r+1.5)^2 = πr^2+2.25π+3πr? Where does the 3πr come from?
i don't understand how you get the 3πr
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Maths

01/16/18

TRIGONOMETRY
Let f(x)=x2-4x+1 g(x)=3x3-2 then finda.   f-g b.    (f+g) (2) c.    ( f/g)(-1)
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Maths

01/16/18

the diagram shows a circular pond of radius r metres surrounded by a circular path. The circular path has a width of 1.5m. Calculate the area of the pond.
The circular path has a constant width of 1.5m. The area of the circular path is 1/10 the area of the pond.
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01/16/18

How many pots of 4 x 4 can be placed in a yard 185 square feet
How many pots of 4 x 4 can be placed in a yard 185 square feet. You can take the pot shape to be a square.
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Maths

01/16/18

Maths level 1
last year tim spent 20% of his salary on rent , 1/5 of his salary on entertainment, 1/4 of his salary on living expenses. the rest he saved. he spent £4000 on entertainment. how much money did he... more
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Maths

01/14/18

Its a Set 2 maths Question
 Micheal drives 143 miles from town A to town B in 2 hours and 36 minutes. He then drives from town B to town C at the same speed and takes him 21 minutes   A. Workout Micheals average speed from... more
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Maths

01/14/18

3 apples have an average of 100 grams.The largest apple is removed.The other 2 apples have a mean of 70 grams,what is the mean of the largest apple
Skkkrrrrrrrrrrrrrrrrra skidikaka boom 2+2 is 4-1 thats 3 quick maths
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Maths

01/14/18

From Aderdeen to Leicester by road is 700km. Find the nearest hour the time taken by a truck if its speed is 60km per hour
yes please help me on this like pls
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Maths

01/14/18

Linear Equations
The total mass of a battery charger, nine 2A and five 3A batteries is 455 g. The total mass of the charger, seven 2A batteries and three 3A batteries is 381 g. It is known that the mass of a 2A... more
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Maths

01/14/18

Write three consecutive numbers with the total of 102
My opinion is gone
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01/14/18

Substitute a=4 and b=-2 into 6a+7b
answer the problem 
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Maths

01/13/18

What is two days before Wednesday?
Please answer my question
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Maths

01/13/18

Linear Equations
On a particular day. Peter has to leave home at a certain time and travel to town P for a meeting at 10 AM. If his average speed is 54 km/hr, he will be 12 minutes late. If his average speed is 72... more
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Maths

01/11/18

Solving unknown variable
Hi I Need to know how to solve for an unknown variable. Rent expense is 103500 at year end, it increased by 10% 6 months prior. How do I calculate what the original amount was. I'm really bad at maths more
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