Seudónimo Seudónimo

30-12-2015
Mathematics

contestada

Three consecutive multiples of 7 have a sum of 126.

What is the greatest number?

Respuesta :

konrad509 konrad509

30-12-2015

[tex]7n+7n+7+7n+14=126\\ 21n+21=126\\ 21n=105\\ n=5\\\\ 7\cdot5+14=49[/tex]

The greatest is 49.

[tex]2n+2n+2+2n+4=84\\ 6n+6=84\\ 6n=78\\ n=13\\\\ 2\cdot13=26[/tex]

The least is 26.

Answer Link

Otras preguntas

When the narrator has a first-person point of view, he or she speaks using the pronoun __________.

What is the relationship between the measure of angle and the reflex measure of the angle

What was the environmental condition of northern europe around 9000 bce?

What does the author mean when he says that if we were born with "high-precision, tunable eyeballs," the world would appear richer to us?

The height of an airplane during a landing is given by 22,000+(-480t)where t is the time and minutes, how many minutes it takes the plane to land to the nearest

What was the primary use of land in texas from the 1820s to the 1860s? cattle cotton oil land use in the period was about equally divided among these three?

The great majority of muslims in the united states are ________ muslims.

Write the equation of a line with the slope, \frac{-1}{2}, which passes through the point (5, -6). write the answer in slope-intercept form.

Joey has $5.75 made up of dimes and quarters. If Joey has 38 coins, how many of each coin does he have?

Which is a sentence fragment? A. Stop! B. Construction paper, scissors, and paintbrushes in a pile on the table. C. On the front door was pinned a note. D. Wait

ACCESS MORE