Seudónimo Seudónimo

04-04-2015
Mathematics

contestada

please help
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 :

mathgirl22 mathgirl22

04-04-2015

Substitute.
r – 2s ⇒ 8.2- 2* -3.7
[tex]8.2-2*-3.7 \\ use -pemdas \\ 8.2-(-7.4) \\ 15.6 \\ Answer- D.15.6[/tex]

Answer Link

Otras preguntas

Are there any redeeming qualities to elitism and any downsides to pluralism? Are there benefits to having elites rule? Are there problems with allowing interest

step by step on how to solve this kinds of problems

anyone can help me?

Plz help ASAP thanks!! Sodium(Na), magnesium (Mg) and sulfur (S) are all in the same_____ A:group B: Period They have the same number of____ A:Valence electr

suppose the equation for line A is given by 2x-5y=15, if line A and B are parallel and the point (-10,3) lies on line B, then write the equation in slope interc

Divide: 8.9) 810.434

put the parts of the letter in the right order using ng the words given below . Greeting Apology Excuse Closing Dates of days missed 1._____________________ 2.

How do archeologists keep track of where they found each artifact?

dilations pls help i cant solve

At a grocery store, almonds are on sale for $3.78 per pound. What is the price of 4.5 pounds? Please show explanation