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Find the value (8/125)^-2/3

(8/125)^-2/3We can write this as ((8/125)^1/3)^-2So cube rooting we then get (2/5)^-2Then if we get the inverse we get (5/2)^2And finally we square the answer to get 25/4
NN
Answered by Nabeel N. • Maths tutor
9903 Views

divide 352 into a ratio of 5:11

5 + 11 = 16352/16 = 2222 x 5 = 11022 x 11 = 242therefore the answer is 110 and 242
PZ
Answered by Paul Z. • Maths tutor
3094 Views

A scalene triangle ABC has side lengths AB=6cm, BC=4cm, and AC=x cm. The angle A, opposite BC, is 40 degrees and the angle B, opposite AC, is 50 degrees. State the sine rule and use it to find the value of x to 3 s.f.

The sine rule states that for any scalene triangle ABC the following equation holds: BC/sin(A) = AC/sin(B) = AB/sin(C) . [Draw a diagram.] By drawing the triangle and substituting the values that we know int...
TC
Answered by Thomas C. • Maths tutor
4923 Views

Factorise 3𝑝𝑞4 − 12𝑞2𝑝6 fully.

3pq 4 - 12q 2 p 6 = 3(pq 4 -4q 2 p 6 ) = 3p(q 4 -4q 2 p 5 ) = 3pq 2 (q 2 -4p 5 )
EM
Answered by Ellica M. • Maths tutor
2509 Views

Adam gets a bonus of 30% of £80. Katy gets a bonus of £28. Work out the difference between the bonus Adam gets and the bonus Katy gets.

Adam = 30% x £80 = 0.3 x 80 = £24 bonusKaty = £28 bonus£28 - £24 = £4Therefore, there's a £4 difference between the bonus Adam gets and the bonus Katy gets.
EM
Answered by Ellica M. • Maths tutor
11744 Views