Answer:
The correct answer is (-5,-5)
Step-by-step explanation:
1. Both of the equations are in standard form, so first you set them equal to each other.
2. Solve for x as a normal algebraic equation.
3. Back substitute your answer for x into one of the original equations. (back substitution is just putting the x back into the equation and solving for y.)
4. Now you have your x and y coordinates, and the point of intersection of the two lines.
3.2 x 10^7 = 32,000,000
4.5 x 10^9 = 4,500,000,000
32,000,000 x 4,500,000,000 = 1.44e17
Answer:
$3.50 + 3·$4.50
Step-by-step explanation:
The total amount of any purchase is computed as the sum of products of quantity and price.
_____
In some instances is is helpful to keep the units (dollars) with the numbers they apply to. Most times, the units will be left off, and you're expected to make sure they work out properly some other way.
Is the "x" a multiplication sign?
Answer:
it is 27
Step-by-step explanation:
it is asking for absolute value of 27 which means how far is that number from 0. so it would be 27.