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anygoal [31]
3 years ago
11

Kevin bought 3 bags of gravel to cover the bottom of his fish tank. He has 8 pounds of gravel left over. how much gravel did Kev

in use to cover the bottom of the tank
Mathematics
2 answers:
Gemiola [76]3 years ago
8 0
All but 8 pounds of it...
vovangra [49]3 years ago
5 0

Answer:

(3x - 8) pounds of gravel was used to cover the bottom of sinks, where x is the weight of bag of gravel.

Step-by-step explanation:

We are given the following information in the question:

In order to answer this question we need to make the following assumption

Let x pound be the weight of one bag of gravel.

Total number of bags of gravel bought by Kevin = 3

Weight of 3 bags of gravel = 3x pounds

Amount of gravel left after pouring = 8 pounds

Amount of gravel used to cover the bottom of sink =

Formula:

\text{Amount of gravel used to cover the bottom of sink} = \\\text{Amount of gravel bought} - \text{Amount of gravel left}\\= 3x -8

Thus, (3x - 8) pounds of gravel was used to cover the bottom of sinks.

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melomori [17]

Answer:

The two sample t-test

Step-by-step explanation:

The appropriate test for thus is the two sample t test which is also known as the independent t test. This tests aims at determined whether there is a statistically significant difference between the means in two unrelated groups which in this context are a random sample with one type of preservative and another sample with another type of preservatives.

With this test, the researcher is able to compare the mean shelf lives of the bananas treated with the two different preservatives... The null hypothesis equalises the two means of the sample while the alternative does otherwise.

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3 years ago
What is 5/10 in decimal form?
Snezhnost [94]
.5 or .50 is the answer
8 0
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Cloud [144]
Alright! First you'd subtract the amount of the part ($44) from your total ($179), then you'd divide by the rate of cost ($45). Your equation would be:
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The answer is 3 hours.
4 0
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Answer:

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