ronitg656 ronitg656

10-09-2018
Mathematics

contestada

Find the value of the expression: −0.5(7b−12a)−(8.4a−14b) if a=−10; b=−6.

Respuesta :

musiclover10045 musiclover10045

05-08-2020

Replace a and b in the equation with their values given:

-0.5(7(-6)-12(-10)-(8.4(-10)-14(-6))

Multiply within the parentheses

-0.5(-42 + 120) -(-84 + 84)

Add inside the parenthesis:

-0.5(78)-0

Multiply:

-.05 x 78 = -39

The answer is -39

Answer Link

Otras preguntas

What is MULTIPLIED to equal 80 but can be ADDED to make NEGATIVE 21

What is the potential energy of a 3 kilogram-ball that is on the ground?

in a given training week a swimmer completes 1/4 mile on day one 2/5 mile on day two and 3/7 mile on day three,,

Which has more Potential Energy a car parked on the top of the hill,a person on the top of the same hill sitting down eating a sandwich, or a man running fast a

An engineer in India (standard household voltage = 220 volts) is designing a transformer for use on her upcoming trip to Canada (standard household voltage = 12

A force of 200 N is required to keep an object sliding at a constant speed of 2 m/s across a rough floor. How much power is being expended to maintain this moti

why do volcanoes erupt in the part of the world where Mont Isle is located??

How to answer the following questions in spanish?? Quien batea? Con que batea?

How do I write n+5n= 12c-c= and -4j-1-4j+6= in simplest form?

What is the simplest form of the fraction 4/10