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What is 3+4*5

Using BODMAS:4*5 = 203+20 = 23

Answered by Zieger X. • Maths tutor

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Make F the subject from this equation: C = (F-32)*(5/9)

C = (F-32)*(5/9)(9/5)C = F-32F = (9/5)C + 32

Answered by Zieger X. • Maths tutor

3381 Views

A bag has blue and red counters in a ration of 4:5. If there are 45 counters in the bag, how many red counters are there?

Blue:Red = 4:54+5 = 945/9=5As the ration is 4:5, this means that there are 5*5 = 25 red counters in a bag

Answered by Zieger X. • Maths tutor

2659 Views

Draw the graph of y=2-3x for values of x from -3 to 3.

1) Start by drawing a table containing x values from -3 to 3 and their corresponding y values.x -3 -2 -1 0 1 2 3y 11 8 5 2 -1 -4 -7
2) Now plot the seven points onto a graph....

Answered by James S. • Maths tutor

7577 Views

Simplify fully (3x^2-8x-3)/(2x^2-6x)

3x^2-8x-3 factorises into (3x+1)(x-3)2x^2-6x fatorises into 2x(x-3)Common factor between the numerator and denominator is (x-3)therefore the final answer is (3x+1)/2x

Answered by Michael B. • Maths tutor

4323 Views