kidlizabrokemarya
kidlizabrokemarya
21-09-2016
Mathematics
contestada
50th term of 7,5,3,1
Respuesta :
nobillionaireNobley
nobillionaireNobley
23-09-2016
7, 5, 3, 1 is an arithmetic sequence with common difference (d) = -2 and first term (a) = 7.
Tn = a + (n -1)d
T50 = 7 + (50 - 1) x -2 = 7 + 49 x -2 = 7 - 98 = -91
50th term = -91
Answer Link
VER TODAS LAS RESPUESTAS ( 86+ )
Otras preguntas
What two numbers multiply to 24 and add to 23?
Suppose the area of a circle is 49π. What is its radius
the square root of (3x^2) times 3 times the square root of (3x^4)
A plane intersects a solid. The resulting cross section is a rectangle. Which situation describes the intersection? A. The plane intersected a rectangular prism
how is mowgli similar to and different from the rest of the pack in the jungle book story?
name a quadrilateral that is also a rhombus
The 1911 Chinese Revolution ended the rule of the _____? -manchus -ming -song -mongolians
Katarina made a frequency distribution, setting up groups for the data shown. Her first group was for 60–79. What was the frequency of her third group? 147 63
Please help, this is so confusing: Which two-dimensional figure could be a cross section of a rectangular pyramid that has been intersected by a plane perpendic
What is the function of the relative pronoun in the clause? However, the scientists whose discoveries enlighten the world are often unknown. A. subject B. po
