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This rectangle is twice as long as it is wide. The perimeter of the rectangle is 30cm. What is the area?

50cm 2
SB
Answered by Sammy B. • Maths tutor
3257 Views

Write the missing numbers on the lines.

76 + 84 = 160 36+ 54 = 90
SB
Answered by Sammy B. • Maths tutor
2638 Views

What is the Pythagoras’ theorem and how can it be used to work out the distance between two points?

Pythagoras’ theorem is the formula used to calculate any side of a right-angled triangle. The concept is that the square of the hypotenuse is equal to the sum of the squares on the other two sides. Assigning...
SW
Answered by Samuel W. • Maths tutor
3093 Views

Find the value of 'a' in the equation: 5a + 12 = 37

First step is to take away 12 from both sides of the equation:5a + 12 = 37 (-12) 5a = 25 Second step is to then divide both sides by 5:5a = 25(÷5) Which gives you the final answer: a = 5
MB
Answered by Meghan B. • Maths tutor
3203 Views

Expand and simplify: 4(2x − 3) − 2(x − 5)

4(2x - 3) - 2(x - 5) [Remember that a negative multiplied by a negative makes a positive] 8x - 12 - 2x +10 6x - 2 [Check: can I simplify further? 2(3x - 1)
RC
Answered by Rachel C. • Maths tutor
10605 Views