aylagassner aylagassner

03-06-2020
Mathematics

contestada

The tens digit of a certain number is five more than the units digit. The sum of the digits is 9. Find the number.

Respuesta :

yyellowcreek yyellowcreek

03-06-2020

Answer:

Number = 72

Step-by-step explanation:

unit digit--- x

tens digit--- x + 5

x + x + 5 = 9

2x + 5 = 9

2x + 5 - 5 = 9 - 5

2x = 4

x = 2

2 + 5 = 7

tens digit = 7

number = 72

Answer Link

Otras preguntas

According to the" hymn to the nile", why do the egyptian people praise the river

compare contrast speed and velocity

Thanksgiving is celebrated only in the United States. True or False?

Riddle: How many seconds are there in one year?

G 5 - h 3 if g = 2 and h = 7

What Type of Atom Na2CrO4

Match each of the color schemes below with the feeling it generates. A. Green ___Patriotism B. Red and yellow ___Agitation C. Red, white, and blue ____Wealth

Earth's crust is made up of relatively rigid plates that ride atop Earth's hot, semiliquid mantle. (2) The plates are called tectonic because they're in constan

adam is going to cook a turkey for 14 peopleand wants to allow 3/4 lb per person. 1lb= 450g How much would a turkey cost for 14 people?

How did congress create the supreme court and the lower federal courts