IvanMunoz518
IvanMunoz518
04-07-2018
Mathematics
contestada
Help Plz dont understand
Respuesta :
ALin03
ALin03
04-07-2018
You can use the arithmetic sequence sum formula here:
[tex]n(a_1+ \frac{d(n-1)}{2} )[/tex]
Where d = 4
n = 15
[tex]a_i[/tex] = 4i-1
Then, plug the values in, and you should get
465
Answer Link
amberadams101
amberadams101
04-07-2018
A. 465 should be the correct answer
Answer Link
VER TODAS LAS RESPUESTAS ( 35+ )
Otras preguntas
What is the sum? 3 4 х + 3x+4 7 X 3x+4 7 x +
Help 1500+240+200+32
complete the sentence: qwertyuio_asd_ghjkl_xc_bnm
Name a difference you see between the two equations for both photosynthesis and respiration in the boxes below.
Match the variables with quantities
Find the inverse of the function f(x)=5/11x+10
Plz help // Algebra 1 // - Next, multiply the dividend by ten to match the change in the divisor. Move the decimal point to show the new dividend. - I really n
during the process of cellular respiration, energy is released from(1)Carbon dioxide (2) Oxygen atoms(3)Water molecules (4) chemical bonds
Please Help! What is the equation for the nth term of the arithmetic sequence where a1 = 32 and d = –7? an=32+7n an=32-7n an=28-7(n-1) an=32+7(n-1)
what is 2-23+5x5 this is hard HELP not