Biagioni818 Biagioni818

03-10-2015
Mathematics

contestada

Evaluate the expression when r = 8.2 and s = –3.7.
r – 2s
a. –22.94
b. 0.8
c. 4.5
d. 15.6

Respuesta :

LacyGirl2015 LacyGirl2015

03-10-2015

When you plug in the numbers for the integers, you get
8.2-2(-3.7)
If you multiply -2 and -3.7, you get 7.4 because the negatives cancel each other out.
If you then add 8.2, you get 15.6. So the answer is D.
Hope it Helps! :)

Answer Link

Otras preguntas

Endorphins are a chemical released by the liver after eating junk food. False True

(sec theta - tan theta)²

A rectangular sheet of paper is 12 1/2 cm long and 10 2/3 cm wide.Find it's perimeter

Graph each equation by using the y-intercept and slope y=-x-4 Y-int=______ Slope=_____ whats the y-intercept and slope for this equation?

[tex]\frac{5}{8}[/tex]· [tex]\frac{2}{3}[/tex]

How to work out the amount of carbon dioxide that is released when fully combusted with 4kg of ethanol?

Trial 1: Heat 30.0 grams of water at 0 °C to a final temperature of 40.0 °C. Trial 2: Heat 40.0 grams of water at 10.0 °C to a final temperature of 40.0 °C. Whi

Which plan to prove △HML≅△HMK CANNOT be used based on the information in the diagram?

Compare large families with small one

In Wendy's experiment, a monkey must push a lever to get a reward. If the monkey is successful, it gets a piece of banana every 2 minutes. What type of reinforc