If <em>a</em> is fixed and <em>b</em>,<em>c</em> are unknowns then the equation <em>b</em>+<em>c</em>=10-<em>a</em> has 11-<em>a</em> solutions. They are pairs (b,c): (0,10-a), (1,9-a), (2,8-a), ... (10-a,0). As <em>a</em> runs from 0 to 10 we have total number of solutions (11-0)+(11-1)+...(11-1)=11+10+...+1=(1+11)*11/2=66.
Answer:
yes
Step-by-step explanation:
To determine if the point is a solution, substitute the coordinates into the left side of the inequality, evaluate and compare with right side.
- 8(3) - 2(2) = - 24 - 4 = - 28 < 6
Thus (3, 2) is a solution
Answer:
the width would be 4 inches and the length would be 6 inches
Step-by-step explanation:
Adjacent angles.
......
Step-by-step explanation:
Speakers =£ 31.5
Headphones =£ 4.8
Book =£ 3.85
Mobile phone =£ 36
mouse = £12.75
DVD =£ 10.2
Hope it will help you :)
