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Rom4ik [11]
4 years ago
9

Each marble bag sold by Hans's Marble Company contains 8 purple marbles for every 5 green marbles. If a bag has 30 green marbles

, how many purple marbles does it contain?
Mathematics
1 answer:
gregori [183]4 years ago
3 0

We can set up a proportion since we know the ratio between the # of purple marbles and the # of green marbles.

A ratio is a way to compare two different values: for every 8 purple marbles there are 5 green marbles

<h2>\frac{8}{5} = \frac{p}{30}</h2><h2 /><h2>when we cross multiply, we get 5p = 240 </h2><h2>we divide both sides by 5 to isolate the variable </h2><h2 /><h3><u>There are 48 purple marbles </u></h3>
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There is a strong positive linear correlation between rainfall and the number of peaches a tree produces. does this mean that mo
yulyashka [42]
A strong positive correlation means that as one variable increases so does the other and that they do so in a linear relationship. So what this means is that “as the rainfall increases, the number of peaches a tree produces increases.”

It does not mean that the rainfall causes the tree to produce more peaches. The correlation only establishes that the two variables are related in that one increases as the other does. It is NOT the case that this means for sure one causes the other. We cannot assume causality when using a correlation.

It might be that the rain causes more peaches to grown or it might be that some other factor or combination of factors causes the growth. We just do not know.



5 0
4 years ago
In what place value will the first digit of the quotient be for 5.64 divided 15.
nadya68 [22]

Answer:

Tenths.

Step-by-step explanation:

7 0
3 years ago
The sum of scores of ella and Kath in the summative test is not greater than 50. supposed Ella's score is 22 points, what could
Firlakuza [10]

We want to see which could be the possible score of Kath for the given information. We will find the inequality:

K ≤ 33

<h3>Stating what we know:</h3>

The given information is:

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  • Ella's score is 22 points.

<h3>Writing the inequality:</h3>

First, we need to define the variable K for Kath's points, because of the given information, we can write the inequality:

K + 22 ≤ 55

This means that the sum of the points is smaller than or equal to 55.

Now we just need to solve this for K, to do this, we subtract 22 in both sides:

K ≤ 55 - 22

K ≤ 33

From this, we can conclude that Kath has at most 33 points.

If you want to learn more about inequalities, you can read:

brainly.com/question/11234618

7 0
2 years ago
A triangle has sides with lengths of 11 miles, 15 miles, and 17 miles. Is it a right triangle?​
dybincka [34]

Answer:

Below.

Step-by-step explanation:

If its a right triangle it will obey the Pythagoras theorem.

17^2 = 289

11^2 + 15^2 = 121 + 225  = 346

- so NOT a right triangle.

3 0
3 years ago
Farmer Tom can grow potatoes, cabbages, or cauliflower on his land. However, he has decided to grow only potatoes. What is Farme
enyata [817]
The answer is A) Specializing
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3 years ago
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