Answer:
18x^2+6
Step-by-step explanation:
2(9x^2+3)
multiply each term in parentheses by 2
2 x 9x^2+2 x 3
calculate product
18x^2+2 x 3
multiply numbers
18x^2+6
Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find x
Considering angle 30 degrees,


Using the tangent formula:

Make x the subject




Cost of lack increased by 30%
new cost of lack will be = 100% + 30% = 130%
We are given that new cost = £65
Thus 130% of original cost = 65
100% of original cost = 65 × 100/130 = £50
Thus original price was £50
Answer:
Step-by-step explanation:
Here you go mate
Step 1
-3x<3 Equation/Question
Step 2
-3x<3 Simplify
-3x<3
Step 3
-3x<3 Divide by -3
Answer
x>-1
$304 is the answer because 456/3 and then multiply by 2