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valkas [14]
3 years ago
5

Which of the following is not a possible r-value? A.0.3 B.-0.3 C.-1.6 D.0.6

Mathematics
2 answers:
sveta [45]3 years ago
8 0
|r| ≤ 1
selection C cannot be a value of r.
aliya0001 [1]3 years ago
5 0

Answer:

option C -1.6

Step-by-step explanation:

we know that

The <u>correlation coefficient</u>  r is used in statistics to measure how strong a relationship is between two variables. The value of r is always between +1 and -1

so

The value of -1.6 is not a possible r-value

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explain why there is only one unique rectangle with side lengths of a 3 and 5 but more then one unique parrelogram with side len
bazaltina [42]

we can only make a rectangle because it is fully determined with the two side lengths, and we can make more than one unique parallelogram because we can make a rhombus with the given side lengths.

<h3>Why is there only one rectangle with the given dimensions?</h3>

Remember that a rectangle is a parallelogram such that all the internal angles are 90°.

Now, a rectangle is only defined by two things which are the two side lengths, so, if the two side lengths are given like in this case (the side lengths measure 3 and 5). Then all the information about the rectangle is already given, which means that we have fully identified the one rectangle, that is why we can make only one rectangle with two given side lengths.

But, there are more shapes that can be made with these side lengths, we could have a rhombus with side lengths of 3 and 5, where the difference between the rhombus and the rectangle is that the internal angles of the rhombus are not necessarly equal to 90°.

Concluding, we can only make a rectangle because it is fully determined with the two side lengths, and we can make more than one unique parallelogram because we can make a rhombus with the given side lengths.

If you want to learn more about rectangles:

brainly.com/question/17297081

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6 0
2 years ago
twent five football players chose to have their hair cut befor winter break. If this represents 1/3 of the students on the footb
Aleksandr [31]
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3 0
4 years ago
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WILL MARK BRAINLYIEST
Eddi Din [679]
Hello, and thank you for posting your question here on brainly.

When you're dividing two fractions, there's a simple rule to follow.

You flip the second fraction, (aka reciprocal) and then multiply.

2/3 ÷ 1/4 = 2/3 * 4/1

You multiply across from the top and bottom.

2/3 * 4/1 = 8/3

8/3 = 2 2/3

Your final answer is C.

Hope this helps! ☺♥
6 0
3 years ago
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Every time Jacob mows his neighbor's lawn he gets 20 dollars. He has 70 dollars in his bank account and needs 190 dollars to buy
Butoxors [25]

Answer:

he would have to do it 6 more times

Step-by-step explanation:

7 0
3 years ago
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The first term of an arithmetic sequence is 3. The common difference of the sequence is 1.5 tune the first term. Write the next
Bond [772]

Answer:

3, 7.5, 12, 16.5  

Step-by-step explanation:

Tn = a + (n-1)d

a = 3 and d = 1.5×3 = 4.5

T2 = a + d = 3 + 4.5 = 7.5

T3 = a + 2d = 3 + 2(4.5) = 12

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Hope its correct and have a great day :)

7 0
3 years ago
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