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LekaFEV [45]
3 years ago
5

At an aquarium, 6 out of 18 deliveries are plants. The aquarium is making 15 deliveries next week and wants to use a proportion

to determine how many of those will be plants.
Mathematics
1 answer:
stealth61 [152]3 years ago
3 0

Answer:

I think 5 of the 15 deliveries are plants.

Step-by-step explanation:

I divided 6 by 18 to get 3.4 (I rounded up), which translates to 34%. 34% of 15 is 5.1, I rounded to get 5.

I checked my work by getting 34% of 18, which is 6.12 and would round to 6.

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5 0
2 years ago
Read 2 more answers
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Answer:

x  =  2 , y  =  − 3

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Solve for the first variable in one of the equations, then substitute the result into the other equation.

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3 years ago
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Step-by-step explanation:

Since we have given that

n = 677

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So, the test statistic would be

z=\dfrac{\bar{p}-p}{\sqrt{\dfrac{pq}{n}}}\\\\z=\dfrac{0.499-0.5}{\sqrt{\dfrac{0.5\times 0.5}{677}}}\\\\z=\dfrac{-0.001}{0.0192}\\\\z=-0.052

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6 0
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A recipe for spaghetti sauce requires 4 bottles of ketchup to make 2 gallons. How many bottles of ketchup are needed to make 10
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