54 Answered Questions for the topic High School Maths

High School Maths

02/18/16

Maths Question

1.  A rental car company is offering a 20% discount if you rent a car for a weekend.  The sale for the weekend is $78.   What  is the regular price for renting a car for a weekend ?     2.  The... more
High School Maths Maths Linear

02/16/16

Please help me with the following mathematical question.

The yield of zucchini Z kg/hectare, over a period of x hours of sunshine and y mm of rainfall is shown in the following statistics:Z= 23,28,30X= 30,50,40Y= 320,360,400a) Form a linear model in the... more
High School Maths Time Average Speed

02/13/16

What was Andrew's average walking speed in mph?

Andrew drove one and a half miles to work and then walked back home at a tenth of his average driving speed. The two journeys lasted a total of 33 minutes. What was Andrew's average walking speed... more
High School Maths

02/12/16

An L shaped concrete slab being prepared for the foundation of a new house is made up of 2 rectangles with dimensions 3m by 2m and 1m m by 6 m.

How to do this question?? HELP Please  I need to find out The total area of the concrete slab AND If 2 bags of cement are required for every 5m square of concrete, how many bags of cement will... more
High School Maths

02/12/16

what is the minimum area of paper required to wrap a box with dimensions 25cm wide,32cm long and 20cm high?

How to Solve this question? HELP PLEASE
High School Maths

01/20/16

when 3 is taken from 5 times a certain number the result is the same as adding 6 to twice that number find the number

help me i need help  than ks xoxo
High School Maths Rounding Helpful Tips

01/11/16

round numbers to the nearest whole

o.219  1.06   299.5          783.444     999.55123

12/31/15

Maths problem Concerning Inequalities

A 38m rope is used to form a rectangular area on a sports day. If the width of the rectangle has to be at least 2 m long, and the length has to be exactly 1 m longer than its width, find the... more

Can you answer these two quadratic word problems for me?

1. A public rectangular-shaped pool is 15 m by 30 m. Public pools must be surrounded by a cement walkway of uniform width whose area is as large as the area of the pool. What is the width of the... more
High School Maths

09/23/15

express 16/25 as decimal without doing division by arithmetic basic theory.

express 16/25 as decimal without doing division by arithmetic basic theory.
High School Maths

09/07/15

expand and simplify (x+6)(x-g)

Can you please solve using 'FOIL' method?
High School Maths Maths Math Problem Mathematics B

08/14/15

If the period is PI - Mathematics

How would I calculate whether a period is PI? Is there an equation? I have a question on an assignment which asks to find out where the period is equalled to PI. 

07/26/15

let pairs (a,c) and (b.d) be roots of the equations x^2+ax-b=0 and x^2 +cx+d=0respectively. find all possible real values for a,b,c,d

 please help me with this question you can get the answer by graphing but no use if no working out
High School Maths

07/10/15

Maths problem

The price of a shirt is increased by 10% for GST and then decreased by 10% for a sale. The new price is $44 , what was the original price.
High School Maths Maths

07/09/15

Maths problem. Please help asap! Thanks in advance!!!

The price of a shirt is increased by 10% for GST and then decreased by 10% for a sale. The new price is $44 , what was the original price.
High School Maths

06/20/15

maths fraction help please...

The number of zeroes coming immediately after the decimal point in the value of (0.2)25  is?     16 17 18 none of the above       Have no idea how to even start this one!!!! :( 
High School Maths Factorials

06/19/15

factorial maths problem help required....

if n is an integer between 0 and 21 ; then the minimum value of n!(21-n)!  is:   10!11! 9!12! 21! 20!
High School Maths

06/12/15

x+y+z=30 using (1,3,5,7,9,11,13,15) use of double is allowed

from UPSC examination
High School Maths Maths Chi Square Ib Maths

06/11/15

Chi square test, what is null and proposed hypothesis

According to genetic theory the number of colour strains, red, yellow, blue and white in flower A should appear in proportions 4:9:8:4. Observed frequencies of red, yellow, blue and white strains... more
High School Maths Problem Solving Gcd

05/13/15

Three numbers in pairs produce the Highest common factors of A million and four, A million and six and A milliion and 8, but this is not possible. why?

Three positive integers are written on a whiteboard. David calculated the highest common factor of two of them and obtained 1000004. Rose and Stephen did the same obtaining 1000006 and 1000008... more
High School Maths

04/22/15

Monthly income of Mr A & B is in ratio of 9:4 and expenditure in ratio of 7:3. If both save Rs 2000 per month. What is the expenditure of Mr A ?

Monthly income of Mr A & B is in ratio of 9:4 and expenditure in ratio of 7:3. If both save  Rs 2000 per month. What is the expenditure of Mr A ?
High School Maths Science

04/09/15

5x= 4 - 3x x= ?

how do i solve this question?
High School Maths

02/18/15

Factorise 6m2-7m-3

Please can you help me i can't work it out
High School Maths

02/15/15

how to slove this .. !! please cos(x)cos(2x)cos(4x)cos(8x)= sin(16x)/sin(x)

cos(x)cos(2x)cos(4x)cos(8x)= sin(16x)/sin(x) PLEASE URGENT GUYS!
High School Maths

02/06/15

Which set of expressions represents three consecutive integers?

Which set of expressions represents three consecutive integers?

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