Seudónimo Seudónimo

25-09-2020
Mathematics

contestada

Jennifer is 3 years older than twice Zack’s age. The sum of their ages is 21. What are their ages?

Respuesta :

savannahlynn07 savannahlynn07

28-09-2020

Answer:

Jennifer is 15 and Zack is 6

Step-by-step explanation:

z+ (2z+3)=21

z+2z+3-3=21-3

z+2z=18

3z=18

3z/3=18/3

z=6

so plug 6 in for all the variables and their ages are

Zack-6

Jennifer-15

Answer Link

Otras preguntas

7,000 is ten times as much as what number

Effective teamwork and high productivity are good indications of positive A. productivity goals. B. horizontal relationships. C. reinforcement. D. socializ

Genes separate independently during meiosis. a. true b. false

Pollution in cities during the late 1800s was caused in part by horses, coal, and inadequate sewer systems. a. True b. False

Hitler and Mussolini headed two of the Axis powers of World War II. a. True b. False

40,619 in expanded form

(3x10)x8=___x(10x8) complete equation and tell which properties were used

Where was the trojan war fought?

What is the value of 4 cubed

5% of what number is 65