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

true or false Common stocks are liabilities.

pH = 6.325; [OH ] = [Select ] x 10-8 pH = 9.413; [H*] = [ Select ] × 10-10 0.00515 M HCI; pH = [ Select ] 0.00515 M HCI; pOH = [ Select ] 5.65 × 10-5М Ca(OH)2:

Explain the role the KKK played in Oregon society during the 1920's. Be sure to explain specific information regarding the members, the positions they held, the

What does stacks look like

Question 8What tool is an essential part of neurofeedback?○ echocardiogramO electroencephalogramO ultrasoundO X-rayPrevious

Suppose a mother carries two recessive genes for freckles and father carries one recessive gene for freckles and one dominant for clear skin. What is likelihood

ZHow much of the electromagnetic spectrum is made upof visible light?

Answer please :) you get 50 points

What best describes the geography of the Zapotec settlements?O Settlements were located on top of high plateaus.Settlements were located in low-lying valleys.O

What data can you collect from a mentos soda experiment?