lexispingarron lexispingarron

14-04-2020
Mathematics

contestada

The lengths (in meters) of two sides of a regular triangle are represented by the expressions 3x-5 and x+9. Find the length of a side of the triangle

Respuesta :

14-04-2020

I'll assume regular means equilateral, equal sides, so

3x - 5 = x + 9

2x = 14

x = 7

side = x+9 = 16

check 3x-5 = 21-6 = 16, good

Answer: 16

Answer Link

Otras preguntas

Research has shown that the brain does not indicate when someone is lying. a. True b. False

To create a query string, you add a ____ immediately after a url, followed by the query string.

The law of conservation of momentum states that a. the total initial momentum of all objects interacting with one another usually equals the total final momentu

How is artificial selection similar to natural selection?

Which of the following are advantages of the SI system? (Select all that apply). A) It is easy to change from one unit to another. B) It allows scientists to co

What is the standard deviation of the data set? 29, 36, 41, 53, 45, 30, 60

Which of the following would be the most reliable source of information for research?

Who was prime minister of the UK for most of the Second World War? (just for points not useful)

Which polar coordinates represent the point plotted on the graph? Select all that apply. (2 answers) a. (-4, 90 degrees) b. (4, 90 degrees) c. (4, -90 degrees)

If you are planning to carry a large balance on your credit card, which of the following credit card features should you look for?