Answer:
33% discount
Step-by-step explanation:
15$ is the amount that was taken off so now we just need to convert it to a % of 45
45/100 = 30/?
if you do cross multiplication and multiply 30 * 100 then divide the result (3000) by 45 you get 66
This means that 30$ is 66% of 45. To find the discount you just subtract 66% (this represents your 30$ new price) from 100% (this represents the 45% original price) and you get 33%.
Step-by-step explanation:
As the required line is perpendicular to y = (1/2)x + 5, product of slope of y = (1/2)x + 5 and required line should be - 1.
=> (1/2)m = - 1
=> m = - 2
Thus, required line is
=> y - (-8) = (-2)(x - 3)
=> y + 8 = -2(x - 3)
Answer:

Step-by-step explanation:




Replace h(x) first

Now we plug in 3x in f(x)

Now we plug in 15x-4 in g(x)

Answer: $28
to find 10% you need to divide by 10
10% = 3.5
20% = 7
35-7 = 28