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 :

DeanR
DeanR DeanR
  • 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

Which was not a cause of the Spanish-American War in 1898? a. the sinking of the Maine b. yellow journalism c. Spanish cruelties in Cuba d. President McKinley's
A scientist uses 2.8*10^12 cells in one experiment, which is 2,000 times the number of cells she uses in a second experiment. Write the number of cells the scie
A voltaic cell spontaneously converts chemical energy to (1) electrical energy (3) mechanical energy (2) geothermal energy (4) nuclear energy
Given the sequence 8, 16, 32, 64, ..., which expression would give the thirteenth term?
find the value of each expression?7. 3two the 4 power
Is it correct to use “punctuation outside of the quotations”, or “inside?”
Leon has 4 boxes. Each box has 15 golf balls and 12 tennis balls. Which expression shows the total number of balls Leon has in the boxes? a. 4 × 12 × 4 × 15 b.
A 75-kilogram bicyclist coasts down a hill at a constant speed of 12 meters per second. What is the kinetic energy of the bicyclist? (1) 4.5 × 10^2 J (3) 5.4 ×
find the GCF of the numbers by listing the factors 36,42 a.2 b.84 c.252 d.6
An 8.0-newton wooden block slides across a horizontal wooden floor at constant velocity. What is the magnitude of the force of kinetic friction between the bloc