3 years ago

Is15 a composite or a prime number

Mathematics

2 answers:

Orlov [11]3 years ago

8 0

It is a prime number.

Over [174]3 years ago

5 0

Composite because its negative

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The radius of a circle with an area of 60 square centimeters is represented by the expression √60/π centimeters. What is another

monitta

Answer:

r= 2 √(15/π)

Step-by-step explanation:

Given that :

Area of circle =60sq cm

radius=√60/π

$Area=\pi r^2\\60=\pi r^2\\\\\sqrt{\frac{60}{\pi}}=r\\\\\sqrt{\frac{15\times 4}{\pi}}=r\\2\sqrt{\frac{15}{\pi}}=r$

Hence the radius can be written as 2 √(15/π)

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3 years ago

Write the equation in slope intercept form. Then, match the equation with the correct graph.

Natasha_Volkova [10]

Answer:

Graph A: y = (1/2)x - 2

Step-by-step explanation:

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2 years ago

Which sentence does not belong with the other 3?

attashe74 [19]

D, there is no division property of equality

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3 years ago

What is the Square root of -5

lilavasa [31]

The square root of -5

2.23606798

or

-2.23606798

8 0

3 years ago

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The price of one share of stock in BadInvestment.com plunged 14 points in 4 weeks. Find the average change in stock price per da

mariarad [96]

$averge\ change=\frac{number\ of\ points}{number\ of\ days}\\\\
4week=28days\\\\
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3 years ago