petri

28 Questions
1 Answers

0

729

1

+134

Money graphs

how do i do this

petri Nov 25, 2019

0

881

1

+134

Percentages help

If the volume of water in the tank at the time is Vt then wouldn't it just be 0?

petri Nov 25, 2019

0

803

2

+134

Simultaneous equations

Heya
I need help with two questions,i thought i figured this topic out but i guess not ahahah
question 1 :
x^2-y^2=12
y=x-2 <#> i know i have to substitute y into the first equation but from there i kind of got stuck <#> question 2 : <#> x^2+y-=25 <#> y=x+3 <#> again read more ..

petri May 8, 2019

+1

1050

1

+134

I need help with a maths question

How do i work it out

petri Jan 30, 2019

+1

869

1

+134

this question is a bit harder,how do u work this one out

this question is a bit harder,how do u work this one out

petri Dec 5, 2018

+1

880

1

+134

Proportion

How do you work it out?

petri Dec 5, 2018

+1

770

1

+134

Inverse Proportion

Haven't done inverse proportion in a bit,how do i work this out

petri Dec 5, 2018

+1

855

1

+134

Product of three binomials

how do you work this out

petri Nov 28, 2018

0

869

3

+134

I need help with Probability

can i please get help on how to work this out

petri Nov 21, 2018

+1

800

1

+134

Experimental Probability

How do i do this one,not sure lol

petri Nov 15, 2018

+1

861

1

+134

I need help

How should i do this one,not quite sure

petri Nov 14, 2018

+1

884

1

+134

Circle theorem

How would one find the size

petri Nov 14, 2018

+1

830

1

+134

circle theorem,need help

I need help with this,not sure how to formulate the answe

petri Nov 12, 2018

0

1013

2

+134

Circle theorem

How would you reason this and find out the size

petri Nov 7, 2018

0

846

1

+134

I need help with factorising

I have answered the questions (my answers are on the side) but they are not right (if they were,they would be green).I'm wondering if i'm missing something obvious read more ..

ElectricPavlov ●

petri Nov 7, 2018

+1

879

3

+134

Direct And Inverse proportion

How do you find x?do you use the same formula you would use to find y

petri Nov 7, 2018

0

775

1

+134

Experimental Probability pt2

Not sure how to finish off this question,the frequency adds up to 1 but isn't right and neither is the 2nd part of the question
read more ..

petri Nov 6, 2018

+1

880

1

+134

Experimental Probability

How do I do this one?
I made a probability tree diagram and added the probability of the pupils being right handed but after that I'm not quite sure what to do,any help?
read more ..

petri Nov 6, 2018

+134

+1

hmm i see but what about a)?

petriNov 7, 2018