Idkhowtodomath

Hi,I don't know how to use the formulas,can someone use the questions below as example 1.formula:m-(x-n)^2 Quest:10x-x^2 2.Formula:a-(x+b)^2 Quest:5-2x-x^2

Find the nTerm of a)7,9,12,16 b)-18,-13,-9,-6 c)1,2,4,8

My teacher ask us to do this two odd questions,Idk how to use the formulas Can someone use them as example: Quest1:( 1 x 3 ), (2 x 4 ), (3 x 5 ) Formula:[n x (n+2)] Quest2:1/2 ,2/3 ,3/4 ,4/5 Formula:n/n+1

I can't find the two distinct and equal roots,I ended up with answer than can't be solved... Can someone use questions below as examples.. This is the formula:b^2-4ac=0 1.Find the values of k for which (k+1)x^2+kx-2k=0 has two equal roots. 2.........3x^2-...

Can someone solve the questions below?I have no idea how to do them. Only two questions btw... 1.A rectangle has a sides of length (2 + √8)cm and (7 - √2)cm. Find the area of the rectangle. Express your answer in the form a + b √2 ,where a and b are integ...

Find the cost price of the following: a)selling price $55, profit 10% c)selling price $680, loss 15$

My English isn't very good so I don't understand what they want The formula I=PRT/100 Question: c)The length of time for $5000 to earn $1000 if invested at 10% per annum. 2.Jahseh invests $6750 at 8.5% per annum.How much interest has he earned and what is...

Last 3 questions idk how to do,someone please help thanks!! 1)Carti earns $37000 per year.He gets a tax free allowance of $8000 and pays 25% tax on the rest.How much tax will he pay a year? 3)Nipsey gets a tax free allowance of $6000 and pays tax at 25% o...

Someone please help,I have to sleep just 2 questions idk how to do 6. The diagram shows the cross section of a cylindrical pipe with water lying in the bottom. (Since I can't post picture here) The diagram: ◒ a) If the maximum depth of the water is 2cm an...

m varies as (d+3).If m=28 when d=1, calculate: a)the value of m, when d=3 b)the value of d, when m=49

I really dk how to do them,only 2 questions pls anyone help thanks 17)The number of hours N required to dig a certain hole is inversely proportional too the number of men available X.When 6 men are digging, the hole takes 4 hours.Find the time taken when...

My teacher stop half way when writing the example,someone pls help me how to do them thxxx Use the factor theorem to show: c)x-2 is a factor of 5x^3 -17x^2 -28 d)3x+1 is a factor of 6x^3 +11x^2 -3x -2

Hi can someone help me on this question,my teacher gave me two methods but both are confusing when I look back 😵😵😵 4.find the value of a and the value b in each of the following. a)x^2 +3x -10 is a factor of x^3 +ax +bx +40 b) 2x^2-11x+5 is a factor of...

Mr/Ms Reiny, the first questions c is 2k thought isn't it supposed to be k^2 - 4(k+1)(-2k)

Ohh thanks

How do you make the -4(k+1)(-2k) into (9k+8)?

15%*

It's Aeropuerto Internacional Tocumen

Omg thank you so much Mr/Ms oobleck for the steps