CrispyAldora CrispyAldora

14-05-2019
SAT

contestada

If 3a − c = 5b and 3a + 3b − c = 40, what is the value of b?

Respuesta :

mikacallahan0811 mikacallahan0811

14-05-2019

Answer:

b = 5

Explanation:

add both of the equations together

3a - c = 5b

3a + 3b - c = 40

= 3b = 40 - 5b

then make it equal to 40 meaning

8b = 40

b = 5

Answer Link

Otras preguntas

Need help with this question

If there is 4% increase in orbital radius...then by how much its time period will increase?

name the gas liberated when ethanol react with sodium metal?

Your state charges 5% sales tax on nonfood items. You're buying a light bulb for $3.00, cereal for $2.50, and an orange for $.50. What will be the grand total o

state how a gas produced by respiration is recycled in nature

A chef cooks 12 pounds of pasta each day. She uses 3/16 pound of pasta for each serving she prepares. How many servings of pasta does she prepare each day?

In a model of Earth's layers that is determined by physical properties, how might the atmosphere be classified? Would it be part of the lithosphere or a seperat

Find the slop of the line . I don't no how to do this A. 1/2 B. - 1/2 C. -2 D. 2

What is the solution set of {x | x < -3} ∩ {x | x > 5}

Select the questions below that would lead to a well–focused Interview. What led you to start playing guitar at age five? How did your teachers and parents moti