Question

Can someone answer this q for my mock rev xx

Answer 1

Explanation:

(a) 10p = 3p - 5

7p = - 5

p = -5/7

(b) a^0 = 1 no matter what a is.

(c) 0.5 y²/x

(d) 5cd²(2c² + 3d²)

Answer 2

solving for a variable:

• isolate so that the desired variable is alone on one side of the equation
• perform inverse operations

a)

`10p=3p-5`

`7p=-5`

`p=(-5)/(7)`

b) A simple rule to follow is that any number raised to the exponent of 0 is equal to 1

`a^0=1`

c)

• cancel out common factors
• when multiplying exponents with the same base add the exponents
• when dividing exponents with the same base subtract the exponents

`(xy^3)/(2x^2y)` cancelled out the common factor of 3

`(y^2)/(2x)` note that
`a^-^y=(1)/(a^y)`

d)

• find what is in common between the two terms
• both have a CF of 5cd^2

`5cd^2(2c^2+3d^2)`