Question

Show that for a certain value of an integer, multiplication of integers is commutative.
2. The sum of two integers is -24. If one of them is 16, find the other.
3. Subtract the sum of -2362 and 705 from -356.
4. Simplify:
a. 15 × (-6) + 15 ×18 using appropriate property. b. 35 +|-8|-|-3|+12
5. In the given figure, two straight lines AB and CD intersect at O. If ∠AOB =80°, find the measure of each of the angles: a)∠ b) ∠.
6. In the given figure, EBF is a straight line and the rays BD and BC stands on it. If ∠ = ( + 3)°, ∠ = (x+20)° and ∠=(x+7)° ,find the value of x. Also, find ∠, ∠ and ∠.
7. Subtract the sum of (4m - 6n + 2
) and (5m – 7n - 22
) from (7m + 6n +2)
8. Multiply 52 × 12 2 and verify your result a=1 and b=2.
9. Find the product 6xy (2 + 3 )
10.
Simplify: (x + 4) (3x -5) + (5x -3) (x + 6)

Answer 1

Answer:

maths

sol of so many questions was not possible to write and send so I wrote for ist three

i hope it helps