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Korolek [52]
3 years ago
15

15 Select one: A. f(x)=−4x+12 B. f(x)=3x+2 C. f(x)=x−9 D. f(x)=−5x−1

Mathematics
1 answer:
andrew-mc [135]3 years ago
6 0

Answer:

B ) f(x)=3x+2

Step-by-step explanation:

...... . . . . . . .. . .

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Answer:

\#\text{ of 8-onion bags: }4,\\\#\text{ of 3-onion bags: }3

Step-by-step explanation:

Let a be the number of bags with 8 onions and let b be the number of bags with 3 onions. We have the following system of equations:

\begin{cases}a+b=7,\\8a+3b=41\end{cases}

Subtracting b from both sides of the first equation, we get a=7-b. Substitute this into the second equation:

8(7-b)+3b=41,\\56-8b+3b=41,\\56-5b=41,\\-5b=-15,\\b=\boxed{3}

Therefore, the number of 8-onion bags is:

a=7-b,\\a=7-3,\\a=\boxed{4}

Thus, the chef got 4 8-onion bags and 3 3-onion bags.

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3 years ago
Gary is 8 years older than his brother. Six years ago Gary was three times as old as his brother. How old are they now?
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2nd case:......

3rd case:.....

4th case:brother:4 years gary:12 yrs=>after 6 yrs:brother=10 yrs gary=18 yrs=>18-10=8

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a bookcase is to be constructed as shown in the figure below. the height of the bookcase is 2 feet longer than the length of a s
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The answer is D. 3 feet and 5 feet
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