Nyawal
Nyawal
22-10-2017
Mathematics
contestada
What is the whole number value of n?
Respuesta :
texaschic101
texaschic101
22-10-2017
13^2 + 2 * 13 * n + n^2 = 18^2
169 + 26n + n^2 = 324
26n + n^2 = 324 - 169
26n + n^2 = 155
n^2 + 26n - 155 = 0
(n - 5)(n + 31) = 0
n - 5 = 0
n = 5
n + 31 = 0
n = -31.....not this one because it is negative
so n = 5 <===
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
which of these events influenced the formulation of the truman doctrine
an terrestrial four-link food chain with a lion as top predator
Identify the correct sentence. a. Drive South on Park road until you reach Euclid avenue. b. Drive south on Park Road until you reach Euclid Avenue. c. Driv
A store is selling sculptures. The first week, it prices 6 sculptures at $80 each. After each week, if a sculpture is not sold, it will be priced to sell for 0.
Find the greatest common factor of 63 and 96
12 out of 30 people chose their favourite colour as blue calculate the angle you would use for blue on a pie chart
which of these events influenced the formulation of the truman doctrine
83 and one third percent as a fraction
A swimmer swims 1000 m in the pool in 8.6 minutes. What was the average speed of the swimmer in m/s?
n which of the following sentences is a semicolon used correctly? A. Joe watered the garden and; the plants did not grow. B. Joe watered the garden
