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 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

If last year, nadia earned $31,025. of that amount, she spent $3612.59 on food. what percent of her income went to food, to the nearest tenth of a percent
what is 0.083 repeting as a percentage?
use the circle graph to determine how many hours per day Becky spends on each activity
The most infamous symbol of the Cold War, the Berlin Wall, was located in what country? England France Germany Italy
Writing to explain if 5 potatoes together have a mass of 1 kilogram and 8 pears together have a mass of 1,200 grams, which has the great mass , a potato or a pe
how to find the volume of L blocks?
What is the trinomial factor of 20t^2-13tv-15v^2
Starting time: 6:57 pm Elapsed time: 47 minutes
A pet survey found that the ratio of dogs to cats is 2/5. Write and solve a proportion that shows the number of dogs if the number of cats is 140.
I really need help please c: U^-3=1/125 U=?