Answer:
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A waitress sold 20 ribeye steak dinners and 12 grilled salmon dinners, totaling $559.11 on a particular day. Another day she sold 29 ribeye steak dinners and 6 grilled salmon dinners, totaling $583.72 How much did each type of dinner cost?
Answer:
Ribeye steak dinner ≈ $16.01Grilled salmon dinner ≈ $19.91Explanation:
Number of ribeye steak dinners sold = xNumber of grilled salmon dinners sold = yCreate two equations showing the amount sold and earned each day:
[tex]\left \{ {{20x+12y=559.11} \atop {29x+6y=583.72}} \right.[/tex]
Solve the system of equations:
[tex]\left \{ {{20x+12y=559.11} \atop {29x+6y=583.72}} \right.\\\\=\left \{ {{20x+12y=559.11} \atop {29(2)x+6(2)y=583.72(2)}} \right.\\\\=\left \{ {{20x+12y=559.11} \atop {58x+12y=1167.44}} \right.\\\\(20-58)x+(12-12)y=559.11-1167.44\\\\-38x=-608.33\\\\x=\frac{-608.33}{-38} =16.01\\\\20x+12y=559.11\\20(16.01)+12y=559.11\\12y=559.11-20(16.01)\\12y=238.91\\y=19.91[/tex]
briefly explain why the primary, secondary, tertiary and quanternery sectors are important in society
Answer:
If agriculture sector is well with good yields then Secondary Sector which consists of industries run smoothly. Most of the industries are based on agricultural products. Tertiary Sector means service sector. Today the contribution of Service sector is growing very fastly and contributing very high amount in GDP.
If we wanted to explore the idea that mother's smoking might explain the variation in birth weight, what visualization might be helpful to us?
Answer:
If a mother is smoking and there are significant birth weights, a bar graph will be most effective. A bar graph can show how many children have similar weights, and you can tell which weights are most common.
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