If Trent averages 78 miles per hour, how many minutes will it take him to travel 273 miles?

Mathematics

2 answers:

kaheart [24]3 years ago

7 0

It would take him 210 minutes

Vitek1552 [10]3 years ago

4 0

210.......................

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A Pearson correlation (symbolized by the letter r) is normally used to summarize the association, or correlation, between two va

avanturin [10]

Answer:

False

Step-by-step explanation:

We are given the following in the question:

Pearson correlation = 1.30

Pearson coefficient:

The range of Pearson coefficient is from [-1,1]
A positive correlation means that an increase in one quantity leads to an increase in another quantity
A negative correlation means with increase in one quantity the other quantity decreases.
+1 tells about a a perfect positive linear relationship and −1 indicates a perfect negative linear relationship.

Since, the given coefficient of Pearson does not lies in the range, it cannot express relation between two quantities.

Thus, a value of 1.30 does not indicates a strong correlation.

Thus, the given statement is false.

5 0

3 years ago

The length of a rectangle is twice its width. the perimeter of the rectangle is 90 cm. what are the length and width?

Thepotemich [5.8K]

L = 2w

2w + 2(2w) = 90
2w + 4w = 90
6w = 90
w = 15

L = 2(15)
L = 30

Length is 30 and width is 15

4 0

4 years ago

Rewrite the rational exponent as a radical

Rainbow [258]

$\bf a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} \qquad \qquad \sqrt[ m]{a^ n}\implies a^{\frac{ n}{ m}}\\\\ -------------------------------\\\\ \left( 5^{\frac{3}{4}} \right)^{\frac{2}{3}}\implies 5^{\frac{3}{4}\cdot \frac{2}{3}}\implies 5^{\frac{2}{4}}\implies 5^{\frac{1}{2}}\implies \sqrt[2]{5^1}\implies \sqrt{5}$