zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 Word Problems >

The sum of 3 consecutive odd numbers is 51 What is the second number in this sequence?

解答

T h e s u m o f 3 co n sec u t i v e o dd n u mb ers i s 51 Wha t i s t h e seco n d n u mb er in t hi s se q u e n ce ?

解答

The number : 17

求解步骤

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x + x + 2 + x + 4 = 51

解

x + x + 2 + x + 4 = 51 : x = 15

x + 2 = 15 + 2 = 17

x + 4 = 15 + 4 = 19

The number : 17

流行的例子

The 周长 of a circle is 13pi in. What is the area, in square inches? Express your answer in terms of pipi.Answer Greta opened a savings account and deposited 5,996.00 as principal. The account earns 14.38% interest, compounded quarterly. What is the balance after 5 years?What is the 周长 of a circular swimming pool with a diameter of 6 ½ feet Eight times the sum of a number and 6 is equal to 5 .Find the CIRCUMFERENCE of the circle with a 直径 of 21ft