ansby2003 ansby2003

01-10-2020
Mathematics

contestada

mark is 3 less than 4 times as old as tim. Together their ages total 42. How old is mark

Respuesta :

Аноним Аноним

01-10-2020

Answer:

30

Step-by-step explanation:

3*4=12

42-12=30

=30

Answer Link

Otras preguntas

which of the following best describes why invertebrates isn't considered a scientifically valid word when classifying animals

A)If the rms value of the electric field in an electromagnetic wave is doubled, by what factor does the rms value of the magnetic field change? B)If the rms val

If AB = 10, AC = 6, and BC = 6, find AD:

A ball dropped from the roof of a tall building will fall approximately how far in two seconds? (A) 10 m, (B) 20 m, (C) 30 m, (D) 40 m, (E) 50 m.

Three terms of an arithmetic sequence are shown below. Which recursive formula defines the sequence? f(1) = 6, f(4) = 12, f(7) = 18 f (n + 1) = f(n) + 6 f (n +

A string is wound tightly around a fixed pulley whose radius is 5.0 cm. As the string is pulled, the pulley rotates without slipping. What is the angular speed

Which property is 7x +(4x + 1) = (7x + 4x) + 1t

Last year, Joban graduated from high school and received a $5,000 as a graduation gift from his uncle. He just heard a guy in his dorm who invested in a softwa

An equilateral triangle is an acute triangle

Choose the correct answer: The largest amount of tropical rainforest is on the continent of _____ A. Asutralia B. South America C. Asia D. North Ameria E. Afric