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3 years ago

The cost of a baguette and a cup is 1.45 the cost of 2 baguettes and a cup is 2.10 what is the cost of the cup

Mathematics

1 answer:

olga2289 [7]3 years ago

5 0

Answer:

0.80

Step-by-step explanation:

2.10-1.45=0.65

0.65=1 baugette

1.45-0.65=0.8

0.8=1 cup

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Solve the equation by using the Square Root Property.<br><br><br><br> 16x2 + 16x + 4 = 81

Maslowich

Answer:

$x = \dfrac{7}{4}, x = \dfrac{-11}{4}$

Step-by-step explanation:

We are given the following equation in the question:

$16x^2 + 16x + 4 = 81$

We have to find the solution of the equation using square root property.

We can solve the equation as:

$16x^2 + 16x + 4 = 81\\(4x)^2 + 2(4x)(2) + (2)^2 = 81\\\text{Identity: }(a+b)^2 = a^2 + b^2 + 2ab\\\Rightarrow (4x+2)^2 = 81\\ \Rightarrow (4x+2) = \sqrt{81}\\ \Rightarrow (4x+2) = \pm 9\\ \Rightarrow (4x+2) = 9, (4x+2) = -9\\\Rightarrow 4x = 7, 4x = -11\\\Rightarrow x = \dfrac{7}{4}, x = \dfrac{-11}{4}$

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Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

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Answer:

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Answer:

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Step-by-step explanation:

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