gr3a3celydic gr3a3celydic

25-01-2017
Mathematics

contestada

Find the nth term: 13, 20, 27, 34

Respuesta :

crisforp crisforp

25-01-2017

The ratio, r, is 20 - 13 = 27 - 20 = 34 - 27 = 7;
The nth term has the formula: an = a1 + (n-1) x r; where, a1 = 13 and r = 7;
Then, an = 13 + (n-1) x 7;
Finally, an = 13 + 7 x n - 7;
an = 7 x n + 6;

Answer Link

Otras preguntas

Drag each sentence to the correct category. Not all sentences will be used. Identify the sentences that are written from the first-person and second-person poin

Which of the following quantities are units of momentum? (There could be more than one correct choice.) A)N m B) kg s/m C) kg m/'s D)N-s 12 Points] E) kg m2/s2

A 39-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline her kinetic energy decreases to 160 J from 490 J

Which of the following lakes is not found in africa?

Which number line represents the solution set for the inequality -4(x + 3) 5-2-2x? O + -7 + -6 + -4 -5 -3 -2 -1 0 1 2 3 4 5 6 7 -7 + -6 + -5 + -4 + -3 + -2 + -1

what is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Calcium hydride (CaH2) reacts with water to form hydrogen gas: CaH2(s) + 2H2O(l) → Ca(OH)2(aq) + 2H2(g) How many grams of CaH2 are needed to generate 45.0 L o

Which theme of biology explains the modification of an organism's parts to adapt to its habitat? A. Interdependence in nature B. Relationship of structure to fu

Which shows the graph of the solution set of 3y – 2x > –18?

can any one help?????