LindaLine LindaLine

23-10-2016
Mathematics

contestada

0.3(r+2)=-0.1(-2r-4)

Respuesta :

seizetheday seizetheday

23-10-2016

I would first multiply both sides by 10 to get rid of the decimals:

3(r+2) = -(-2r-4)

We can then expand the brackets:

3r+6 = 2r+4

And simplify:

r+6 = 4
r = -2

Answer Link

Otras preguntas

How much volume would a 834.01g pile of sugar have given that it has a density of 1.59g/mL? What is the mass of 651.41mL of ice if it has a density of 0.9167g/m

Ida B. Wells became an activist when she: O A. Refused to move from a whites-only train car. O B. Became head of the Tuskegee Institute. O C. Founded the UNIA.

In a market economy: workers are directed by government planning boards to produce what is in societies best interest. businesses design their plans to maximi

Two boats are separated by a distance of 60 meters. The boats start a rest and accelerate towards each other at a constant rate of 1 m/s2. A dolphin starts mid-

is Mexico apart of South America

A line passes through (2, 2) and is perpendicular to the line 3x + y = 3. Its y- intercept

Jennifer stands 80 ft above sea level at the top of a lighthouse. She sees a bout sailing 400ft from the light house. What is the angle of depression from the t

One of the intermediates in the synthesis of glycine from ammonia, carbon dioxide, and methane is aminoacetonitrile, C2H4N2. How much C2H4N2 could be expected

Please help??? Southville is 57 mi due south of Portland. Westfield is 76 mi due west of Portland. What is the distance from Southville to Westfield? Enter you

Of the 40 randomly chosen students surveyed, 27 are involved in extracurricular activities at school. There are 680 students in the school. Predict the number o