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Maths
GCSE

Solve the simultaneous equation by elimination: 3x + y = 11 and 5x + y = 4

Simultaneous equations have at least two unknowns that must have the same value in each equation. This means the value of x and y in both equations must...

MA
Answered by Moyin A. Maths tutor
3632 Views

How do you translate the graph y = x^2, five unit squares negatively horizontally and 3 unit squares positively vertically?

Start again by drawing the graph and then the translated graphExplain what is meant by a translation ( a movement of the graph )Use a table of values to show how we can change the function to allow for di...

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Answered by Harrison L. Maths tutor
2803 Views

Increase 35 by 20%:

An increase by 20% is the same as multiplying by 1.2Therefore, 35 x 1.2 = 42

SH
Answered by Sam H. Maths tutor
3420 Views

Given a right-angled triangle with an angle of 35 degrees and an Opposite side of 12cm, calculate the length of the hypotenuse to 3 significant figures.

First, determine which of SOH-CAH-TOA you need to use. As this question involves the Hypotenuse and the Opposite side, use Sine. As such, write out the equation as: sin(35) = 12/x. (Let x represent the Hy...

ES
Answered by Eloise S. Maths tutor
6896 Views

Solve for x to 3dp: x^2 + 6x + 2 = 0

We cannot factorise this so we shall use the quadratic formula instead.We need to substitute in the values for a, b, and c.ax2 + bx + c = 0x2 + 6x + 2 = 0a = 1, b=6, c=2Once substitu...

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Answered by Rikesh S. Maths tutor
2948 Views

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