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
Related Maths GCSE answers
All answers ▸What is the method for factorising the expression 'x^2 + 3x + 2'?
FIRSTLY: John has a slice of pizza in the exact shape of an isosceles triangle. 2 sides measure Y + 5 and 1 side measures Y – 2. Write an expression for the total perimeter. SECONDLY: Multiply out the following brackets: (3Y + 8)(3Y + 2)
A rectangle has a total perimeter of 32cm with sides of length '3x' and 'x+8'. Solve for x.
Solve the Inequality X^2 - 2X - 8 < 0