70,952 results

### maths letaracy,history,geography and life science

im going to grade 10 next year,and i want to be a psychologist and im going for maths letaracy and history feild im realy not good with maths and i just found out a few weeks ago that i need pure maths to do psychology.i don't know what to do now ,i also don't know the jobs ...

### maths

I am really facing difficulty in maths. I do my best to improve in maths but after entering in the examination hall during my exams, i just get confused. please help The proper name for the subject is mathematics or just "math" for short. Calling it "maths" calls attention to ...

### maths a

Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision. ...

### MATHS

Critical help please. Level 3 maths algebraic methods is really hard. Q) Two functions f and g are defined by f:x (arrow) x^2 + 3 g:x (arrow) 2x+1 Find a) the function fg b) solve the equation f(x)=12g^-1(x) I need to show my working out, please help someone

### MATHS

if a student scores 58 in a maths exam predict the score they would get in science??? Have no idea where to start on this answer other than having a good guess!! Can anyone help please??? Thanks Andrew

### English

Can you please help express the concept below? Thank you, Writeacher. I was last proud of myself when I got an A in maths/when I got a 7 and a half (according to the Italian grade system) in maths.

### Maths

Hi I have a maths problem I can't figure out please someone help. Zac had some 2c stamps and 5c stamps.he needed to put 30c on a postcard to mail it.what combinations of stamps could he use.

### Math

Make a complete re search project on maths is interconnected with other subject i.e. Maths Vs computer using art with maths.

### Maths

I have a test tomorrow and I really don't get this, please help me. "Use transformations and the zeros of the quadratic function f(x)=(x-6)(x+4) to determine the zeros of each of the following functions a) y=2f(x) b) y=f(2x) c) y=f(0.5x)" I am so lost, I don't get what it ...

### Exams help

Hello I am a Grade 11 student , I am willing to resit my maths exam this November , but I have to take my account that my IGCSE's are this year , my mocks will be in January and my real resit exams will be at the beginning of November , which is just a month ahead Should I ...

### business studies n maths lit n accounting n geo

Do I need pure maths in These subjects or is maths lite fine to get me to the point of being a entreprenuer in my life

### maths

suresh scored 15 mareks more than ramesh in maths.if the sum of their marks in maths is 275.write the statement in linear equation in two variables

### Maths

I need some help with my maths questions please! What angle does the tangent to the curve y=x^4-x^3+7x make with the positive direction of the x-axis at the point where x=2? Find any x values for which the gradient of the tangent to the curve y=x^2-3x-1 is parallel to the line...

### Maths Help !!!!!!!!!!!!

Hello I'm in grade 9 and i still get confused with the expressions and how to make then in maths although i'm queit very bright ! Any tips on this please thanx Practice. We learn by experience. You may want to buy an extra workbook at the bookstore, which has answers so you ...

### Maths

I have a maths exam tomorrow and am studying with a friend. We are working on a question and are getting two different answers. Could you please show us the right way to do it? 2(4x + 3)(4x - 3) - (4x + 3)squared p.s i couldn't find a squared symbol so only the last bracket is...

### Maths

45% is 28 100%=? Please show me the concept and the working out as well please

### Maths B

Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision.

### Maths B

Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision.

### Maths

X squared-(k+3)x+4k=0 Please help me find the value of k for which there are equal roots but of opposite sign Working out please thanks

### maths - trigonometry

I have my maths exam on Tuesday and cannot remember how to do trigonometric identities at all. I was so sure, but now I'm not. I asked a similar question earlier, but I still don't quite understand. Please give me step-by-step instructions? [sinx + tanx] / [cosx +1] = tanx

### Maths Question

the slope of a curve y=f(x) is given by dy/dx= (x-1)(x-2)^2(x-3)^3(x-4)^4(x-5)^5 for what value or values of x does y have a local maximum/miniumum? justify your answer. i tried solving this question but couldn't figure out how to do it. i even asked my old maths school ...

How do i work out the mass of a flywheel. I am given the density as 7500kg/m3, a 500mm diameter and a 10cm thickness. Please help

### maths

A fraction a / b can be expressed as a terminating decimal if b has no prime factors other than A) 2, 3 B) 3, 5 C) 2,5 D) 2,3,5 Please choose from the option and please show your work.

### maths

find the following square roots,using 'prime factors': i) 784 ii) 7056. 1 iii) 20---- 4 please give answers and tell me how to do. please

A triangle has side lengths 10,17 and 21cm. Find the length of the shortest altitude. And please show working out to help me understand.

### maths

i am told to do a project in maths it should involve a maths consept.pls help as to what should i do?

### math algebra

COULD SOME OF WITH DEGREE IN MATHS HELP ME TO SOLVE THIS SIMULTANEOUS EQUATION PLEASE, PLEASE ? I HAVE RIED DIFFERENT METHODS BUT IT CANNOT GET THE CORRECT ANSWER, AS IN THE BOOK. X-3/4 -Y-2/5 = -1/4 (1) 4-X/3+ 3-Y/2 = - 13/20 (2) 5x-15-4y+8= -1 5x-4y=17-1 8-2x+9-3y= -13 -2x-...

### Maths

Can someone please help me out here. I can't figure out how to do them. I need Pr(A) to do them with the formulas that I know. Please help! Given that Pr(B) = 1/5, Pr(A|B) = 1/3 and Pr(A|B') = 1/3. Determine: a) Pr(A and B') b) Pr(A) c) Pr(B'|A)

### Maths

The product of two consecutive positive numbers is 42 Find the numbers Please write this problem in quadratic equation form please

### Maths

A median of a number is 5. A mean is 5. They're five different numbers. They're not integers. Workout the numbers. Please help me I got a test tomorrow please!:)

x^2-6x+1=(3x+5)/2

### maths

X^2-6X+1=(3X+5)/2

### Maths

The product of two positive consecutive odd numbers is 255. What are the numbers? Please write this problem in quadratic equation form please

### Maths

The sum of the squares of three consecutive positive integers is 365 What are these integers? Please write this problem in quadratic equation form please

### maths

A survey o 85 students asked them about the subjects they liked to study 35 students liked maths,37liked history,26 liked physics,20 liked maths and history,14 liked maths and physics,2 liked all the subjects. a) how many of these students like maths and physics? B) how many ...

### maths

Solve for x A. 1/x(6x^3+5x^2)=21 B. X/2+6=-10/x C. X+6=[x+12]^2

### Maths

Factorise as far as possible: 1) 2a^2b + 8a^2b^2 The answer i got for this is 2ab(a+4ab). I'm not entirely sure if this is fully factorised or not. Can you please correct me if i am wrong. 2) x^2 + 5x - 6 I'm not sure how i can do this. Can someone please explain how without ...

### Maths

A school has eleven Year 9 Maths classes of 27 students. Each class has 4 extra students added to it. Find the total number of students studying Year 9 Maths.

### Maths

Can someone give me the checkpoint exam topics that are required for a student to revise Please give us more and clearer context for your question. It is not clear what you want to know. What exam topics? Why do you need to revise them? Please repost with the additional ...

### maths

6a + 12 = 55 - 2a please show workings

### MATHS !!!

convert 3.22 mm into cm please

### Maths

How do I solve this equation please? x^2 + -5x = 0

### Maths

what are these fractions as pencentages: 2/3 1/13 9/23 4/15 6/7 3/7 2/7 and 2/21 Please Help!

(2x-1)/(x+1)=2X/(X-1)+ (5/X)

1/(X-2)=3/(X+2)-(6X/(X^2-4)

### maths

Could somebody help me,please? 4+5+2=? thirds

### maths

Solve. For x 1. 3x^2-6=0 2. 1/x (6x^3+5x^2)=21 3. x/2+6=-10/x 4. 2x^2=14x

Rearrange in the form ax+by+c=0 1) y+4 = 3/5(x-1) Thank you

### maths

HELP ME PLEASE ---- + ------ + ------- = 30 [Using numbers 1,3,5,7,9,11,13 &15]

### POLYNOMIALS

I'm really sorry, i'm preparing for O levels, so i have a lot of maths questions to ask... please excuse me... Question: Find the value of k for which a-3b is a factor of a^4 - 7a^2b^2 + kb^4. Hence, factorise completely. How do i even find k??? Please help thankyou!

### MATHS

what is 0.0113 to 2 sig figs please

### maths

Help please. Solve the following equation. 9x+1=13+7x

### Maths

solve for x: ln(x^2-6x-16)=5

### maths

how do u paste a diagram on page please

NOTE: before you answer this question, please be aware that there aren't meant to be any full stops after the '2' or the 'i=0'. Also the underscores '-' represent how the following number is meant to be a lower case number. The ^ represents root numbers. PLEASE HELP ME Expand ...

### Maths B

Andrew got 68 for both English and Maths. The mean for english was 52 and the mean for Maths was 55. The standard deviations were 10 and 8 respectively. Determine the subject in which andrew did better

### statistics

among the exames in the examination 30%, 35% & 45% failed in statistics, in maths, & in atleast one of the subjects respectively. one student is selected at random. find the probability that: (a)he has failed in maths, (b)he passed in statistiics if it is known that he has ...

### probability

among the exames in the examination 30%, 35% & 45% failed in statistics, in maths, & in atleast one of the subjects respectively. one student is selected at random. find the probability that: (a)he has failed in maths, (b)he passed in statistiics if it is known that he has ...

### Maths

Simplify the following: (ã3 - ã2)^2 The answer has to be 5-2 ã6 Can anyone please explain? Thanks

### maths x

heyy xx how do i sbtract fractions from each other eg. 7/9 - 1/2 please help xx

### 11+ maths inverse operation

a = ? 4a + 12 = 7a - 9 please show workings

### inverse operations - maths

what is a 6a + 12 = 55 - 2a please show workings

### Maths

x/2 + x/4 = 1 the answer is 1 1/3 can you show me the method please thanks in advance :)

### maths

Can you please explain to me how to simplify the following fraction: 1/-1/4

### Maths

The line r=(2,3,4)+µ(-1,0,3) and the point (6,0,2) form which plane: (a) r.(-1,0,3)=10 (b) r.(9,10,3)=60 (c) r.(2,3,4)=29 (d) r=(2,3,4)+µ(-1,0,3)+ù(6,0,2) Please help!!! Thanks!

### maths

The line r=(2,3,4)+µ(-1,0,3) and the point (6,0,2) form which plane: (a) r.(-1,0,3)=10 (b) r.(9,10,3)=60 (c) r.(2,3,4)=29 (d) r=(2,3,4)+µ(-1,0,3)+ù(6,0,2) Please help!!! Thanks!

### Maths

How can I tell if a graph is a function or not? Explain please :)

### maths stats

Please unscramlbe aaeebllnn which is a name. Thanks

### maths

Please I want to know how many litres make a metric tone.

### Engineering Maths

Factorise (x - 1)^2 - 4y^2

### maths

Solve 5x + 3y = 4 3x + 4y = 9 Just a bit confused Please help

### MATHS - FRACTION

3 1/3 - 1 3/4 = 3 4/12 - 1 9/12 IE. 4/12 < 9/12 2 + 1 + 1/3 - 1 3/4 = 2 + 12/12 + 4/12 - 1 9/12 = 1 7/12 Please somebody explain these steps.

### Maths

Quadratic Graphs Y=x^2-7 These are my values can you please check X=-4 so y=9 X= -3 so y=2 X=-2 so y = -3 X= -1 so y=-6 X=1 so y=-6 X=2 so y=-3

Find the value of 3a + 2b when a = 6 and b = 5. answered????????!!!1111

### Maths

Rearrange in the form ax+by+c=0 1) y=-2x/7 - 6 2) y+4 = 3/5(x-1) Please help Thankyou 😘

### maths

Please answer fully I am beginner for this if a , b ,c are in AP x , y , z are in GP . Prove that (x^b/x^c)× (y^c/y^a)× (z^a/z^b)=1

4350 rounded to the nearest 0.5liters

### Maths

show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8x - 4y + 14 = 0 do not intersect. Please