2x + y = 3
3x - y = 12
Add both equations
5x = 15, x = 3
2(3) + y = 3
6 + y = 3, y = -3
Solution: x = 3, y = -3... or (3,-3)
Answer:
The market closed with a rating of 2773 points on Wednesday.
Step-by-step explanation:
Lets start with what we know:
Monday at close it had a rating of 2760 points.
Tuesday it gained 45 points.
Wednesday it had lost 32 points.
Once written out it becomes less intimidating to answer.
Monday + Tuesday + Wednesday = Answer
2760 + 45 - 32
= 2805 - 32
= 2773
Answer:
x=17
Step-by-step explanation:
(5x-58)=(2x-7) ->(because of cosine-rule)
3x=51
x=17
Answer:
Step-by-step explanation:
10 Hours
9514 1404 393
Answer:
8 in by 16 in
Step-by-step explanation:
In your equation, we presume that x represents the width. Solving for x, we have ...
2x² = 128 . . . . . . given equation
x² = 64 . . . . . . . . divide by 2
x = √64 = 8 . . . . square root
The enlargement will be 8 inches by 16 inches.
