1) Apples cost $16 for an 8 pound bag at the local price

Mathematics

1 answer:

bija089 [108]10 months ago

3 0

Answer:

4 pounds with a membership

29 pounds without

i just added both because i didnt know if you meant 58 extra dollars after bbuying membership or not

Step-by-step explanation:

58 -50(membership fee)=8

16 divide by 8=2

16$=8 pounds

8$=4 pounds

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without membership you could buy 29 pounds of apples

58 divide by 16=3.625

3.625 x 8=29

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Step-by-step explanation:

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Find two values for k such that the trinomial x2 – 7x + k can be factored over the integers. Explain your reasoning.

vova2212 [387]

Answer:

1) For $a = 1$ : $b = 6$ and $k = 6$ , 2) For $a = 3$ : $b = 4$ and $k = 12$

Step-by-step explanation:

The polynomial $y = x^{2} - 7\cdot x + k$ is a second-order polynomial of the form $(x-a)\cdot (x-b) = x^{2}-(a+b)\cdot x + a\cdot b$ . By direct comparison, we construct the following system of equations:

$a + b = 7$ (1)

$a\cdot b = k$ (2)

By (1) we know that there are a family of pairs such that the system of equations is satisfied. Let suppose that both $a$ and $b$ are integers. We assume two arbitrary integers for $a$ :