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How to Solve: (11 − w)/4 = 1 + w

Step 1 : First we multiply both sides by 4, this is to eliminate /4 on the lhs(left hand side), and then we multiply the rhs(right hand side) by 4, this gives us (11-w) = 4(1+w) which is then equeal to 11-w ...
JS
Answered by Jahnavi S. • Maths tutor
8174 Views

Given that a = 3 and b = 7 ,  What is the value of 2a + b ?

This is a case of substitution. 2(3)+(7) =13
SB
Answered by Shayna B. • Maths tutor
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The diagram shows a sector ORST of a circle with centre O. OR = OT = 10.4 cm. Angle ROT = 120°. (a) Calculate the length of the arc RST of the sector (3s.f)

Before using a more complex formula it is better to know how to answer the question using a simpler method. From the diagram we can see that this is a sector from a circle. We need to find out the area of th...
MC
Answered by Maddie C. • Maths tutor
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The price of a pencil grows by 1%. What is the final crice if the initial price was £1?

1*1/100+1= 1.001
AR
Answered by A Rin J. • Maths tutor
3337 Views

What is the gradient of the graph y = 3x^2 + 5x + 2, when x is 4?

To find the gradient of the graph, we need to differentiate the equation. So if y = x n ==> the derivative dy/dx = nx n-1 This means that dy/dx = 6x + 5 for this equation So the gradient (dy/dx) when x = ...
RH
Answered by Rishabh H. • Maths tutor
6345 Views