31 Answered Questions for the topic Maths Equation

10/03/18

how find this equation

Write an equation of the line passing through the point (–2, –4) that is parallel to the line y=5x+12

09/27/18

Two numbers that have a difference of 20

The numbers to use is 17,24,25,26,35,43,44

09/22/18

If x=(7x-1)^(1/2),Find the Integral Value of x^2+(1/x^2)

If x=√(7x-1),Find the Integral value ofx2+(1/x2)

09/12/18

Maths equation

n/15 x 3 - 9.5 = 45.5

09/10/18

solve equation

n/18 - 11 +3 x 9 = 41 solve for n? do i use bimdas or bomdas? Is there a quick way.   this my working out: n/18 - 11 + 27 = 41 n/18 + 16 = 41 n/18 + 16 - 16 = 41 - 16 n/18 = 25   where to... more

09/10/18

make x the subject in the folllowing equation

y=4√x+3  -7

09/02/18

A rectangle has an area of 36cm square. It is four times as long as it is wide. What is it width[w]

 i need to know what is the answers to this question 

08/10/18

Rachel spends 14 of her pocket money on chocolates, 18 on pizza. How much money will be left with her?

Rachel spends 14 of her pocket money on chocolates, 18 on pizza. How much money will be left with her?

07/27/18

Is there a shortcut formula to use whenever one of the values inside a formula changes?

I have this formula.true=base×(1+A)×(1+B−C)×(1−D)×(1+E−F)×(1−G)If the E increases its value, is there a way to know the adjusted true without having to calculate the whole formula again using the... more

06/02/18

Number arranging

The number of ways of arranging the 26 letters of the English alphabet = 26!. If a computer prints these arrangements at the rate of 1000 per second, how long will this take?

05/12/18

what is 6x+6=50

i dont understand

04/23/18

The roots of a quadratic equation x^2-8x+c=0 are the same.

find the value of c.

04/18/18

Gradient of the line

How do I find the gradient of the line 2y=-6x+1

04/13/18

Line equations

A straight line, L, is perpendicular to the line with equation y=4x+3 L passes through the point (7,3) Find equation for L

04/04/18

rectangle is 4cm longer than it is wide.

if both the length and the breadth are increased by 1cm, the area would be increased by 18cm. Find the length and the breadth of the rectangle

04/02/18

How do you calculate rate of expansion of gas with temperature with a gradient of the line being 0.2?

i am doing a graph plotting in volume and temperature it has asked: How do you calculate rate of expansion of gas with temperature with a gradient of the line being 0.2? 

03/26/18

Calculate the distance between two points on planet earth separated by 40 degrees along the equator. assume planet earth is perfect sphere. what would

what would the distance be if the object were the moon instead.    

03/09/18

make a the subject : 4(a-b)+c(a-2)=ad

i need help with this question

03/03/18

A lesson starts at 10.45 and lasts 40 minutes. What time does it end

im commfused  

03/02/18

ln[A] = -k(t) + ln [A] make k subject

ln[A] = -k(t) + ln [A]   make k subject
1

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