I need a question ok this is the a question
Let x= the number of books purchased: 7 books purchased
let y = the number of toys purchased;10 toys purchased
Equations: x+y=17
6x+11y=152 x+10=17
-6(x+y=17) y=10 -10 -10
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-6x-6y=-102 x=7
6x+11y=152
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0x+5y=50
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5 5
Answer:
Step-by-step explanation:
Answer:
- maximum increase: 90°
- maximum decrease: -90°
- zero change: 0°
Step-by-step explanation:
A line or ray pointing straight upward will be pointing in the direction of maximum increase. It will make an angle of 90° with respect to the x-axis.
A line or ray pointing straight downward will be pointing in the direction of maximum decrease. It will make an angle of -90° with respect to the x-axis.
A horizontal line will be associated with zero change. It makes an angle of 0° with respect to the x-axis.
