5. What is the total cost of 4.3 pounds of flour at $1.10 per pound and 0.5 pounds of baking soda at $0.82 per pound?

Mathematics

2 answers:

olga_2 [115]3 years ago

7 0

Answer:

$4.73 for the flour and $0.41 for the baking soda $5.14 together

Step-by-step explanation:

ladessa [460]3 years ago

3 0

Answer: .....

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Points:

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1. The area of the polygon could be calculate with the eqation:

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3. Solve the determinant, and calculate A:

$A=\frac{1}{2}\left[\begin{array}{ccc}2&7}\\8&2\\6&11\\6&5\\11&6\end{array}\right]\\A=\frac{1}{2}[(6)(7)+(11)(11)+(8)(6)+(6)(2)]-[(2)(11)+(6)(6)+(11)(2)+(8)(5)]\\A=\frac{1}{2}[42+121+48+12]-[22+36+22+40]\\A=\frac{1}{2}[223]-[120]\\\\A=\frac{1}{2}[103]=51,5 U^{2}$

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