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Kenny has £3200 in a savings account. After a year, the bank pays him interest increasing his balance to £3360. What percentage rate was applied to the account?

Kenny originally had £3200 After a year, he had £3360 £3360 - £3200 = £160 160/3200 = 0.05 0.05 x 100 = 5% Therefore, a 5% interest rate was applied to Kenny's account
MC
Answered by Megan C. • Maths tutor
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Solve the inequality: 5x-3 < 7x-6

5x-7x &lt; -6+3 =&gt; -2x &lt; -3 =&gt; x &gt; 3/2
VC
Answered by Varshan C. • Maths tutor
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Expand and simplify (2x + 4)(3x - 5).

6x^2 - 10x + 12x - 20 6x^2 + 2x - 20
DS
Answered by Daniel S. • Maths tutor
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Make y the subject of the formula 3y-p=h(2+y)

3y-p=h(2+y) 3y-p=2h+hy 3y-hy=2h+p y(3-h)=2h+p y=(2h+p)/(3-h)
YC
Answered by Yuko C. • Maths tutor
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If angle x = 63 degrees, work out the remaining angle of this right-angled triangle

All angles in a triangle add up to 180 degrees. In a right angled triangle, we know one angle is 90 degrees. In the question, it is given that another angle is 63 degrees. So the remaining angle must be 180 ...
RL
Answered by Rebekah L. • Maths tutor
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