Question

Q1 evaluate: (cos 0° + sin 45° + sin 30°) (sin 90° - cos 45° + cos 60°)

Q2 Evaluate using suitable identity:

$\frac{0.6 x 0.6 x 0.6-0.3 x 0.3 x 0.3 }{0.6 x 0.6 +0.6 x 0.3 +0.3 x 0.3}$

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Q3 The sum of the digits of a two digit number is 7. If the two digits are reversed,

the new number decreased by 2, equal twice the original number. Find the

number.

Q3 Solve the following simultaneous equations graphically:

x+y-5 =0 ; 2x-y+2 = 0​


THOSE WHO WILL ANSWER I WILL MARK THEM BRAINLIEST​

Answer 1

Answer:

answer for the given problem is given

Answer 2

Answer:

1. 7/4

2. its in the form (a^3-b^3)/(a^3+b^3

)0.7/0.9