Answer:
{x,y} = {33/19,-2/19}
Step-by-step explanation:
The product of the number and 500 will be 2100000.
<em><u>Explanation</u></em>
Suppose, the number is 
The number is 42,000 when multiplied by 10. So, the equation will be......
So, <u>the number will be 4200</u>
Now, the product of this number and 500 will be: 
Answer:
Step-by-step explanation:
If you can't solve it algebraically I suggest plot the points or lines and see if they meet the VTL (vertical line test).
Answer:
Dimension of room = 18 foot x 18 foot
Step-by-step explanation:
Let the square room is of side a foot,
The cost of re-finishing the hardwood floors is $2.25 per square foot and the cost of purchasing and installing the new baseboards $14.5 per linear foot
Total cost is $1773.
Cost for re-finishing the hardwood floors = Area x 2.25
Area = a²
Cost for re-finishing the hardwood floors = 2.25 a²
Cost of purchasing and installing the new baseboards = Perimeter x 14.5
Perimeter = 4a
Cost of purchasing and installing the new baseboards = 4a x 14.5 = 58 a
Total cost = Cost for re-finishing the hardwood floors + Cost of purchasing and installing the new baseboards
1773 = 2.25 a² + 58a
2.25 a² + 58a - 1773 = 0
a = 18 or a = -43.77(not possible)
Dimension of room = 18 foot x 18 foot
The time that he studies is the independent variable because you can change that time amount , and the test score / points depend on how long he studies.
S = 3H
^ test score = amount of hours x three points
