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Simplify fully: (5 +√7)/ (2+√7)

Can show working on a whiteboard.

TA
Answered by Tony A. Maths tutor
6116 Views

Can I have some guidance on the correct answer for this word order, grammar question?

Here's an example: 'On each biscuit (was wrote) (wrote) (write) (was written) (was writ) a word in bright pink icing.' For this type of question you will need to circle the correct word(s) that are shown ...

EM
Answered by Ella M. Maths tutor
3032 Views

The length of a regular 9 sided shape is 4cm, what is the perimeter of the shape?

The key to this question is knowing your maths termionoly, once you've got that, this question will make a lot more sense. Perimetre essentially means the lengths of each side of the shape added together....

EM
Answered by Ella M. Maths tutor
2794 Views

A stone was thrown with velocity 20m/s at an angle of 30 degrees from a height h. The stone moves under gravity freely and reaches the floor 5s after thrown. a) Find H, b)the horizontal distance covered

To find the height we first need to find the initial vertical velocity of the stone. This will be equal to 20 * sin(30) = 200.5 = 10m/s. From here we can use SUVAT. In this case s=-h,u=10m/s, v is unk...

DH
Answered by Dominic H. Maths tutor
5285 Views

Find y and x of the to following equations: x +3y = 11 and x + 2y = 9.

This question can be solved using the elimination method. Set out the problem as follows: x+3y=11 - x+2y=9              0+y=2      => y=2              Therefore one can substitute the val...

MB
Answered by Munisha B. Maths tutor
6680 Views

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