chinchintakemys1
chinchintakemys1 chinchintakemys1
  • 01-12-2017
  • Mathematics
contestada

Evaluate 4(2a - b) when a = -1 and b = 5

A -48
B -28
C -12
D 32

Respuesta :

altavistard
altavistard altavistard
  • 02-12-2017
I'd suggest you enclose -1 and 5 within brackets as shown:


4( 2[-1] - [5] ).  Do the work within parentheses FIRST:  4( -7 ).
Then multiply as indicated:  -28
Answer Link

Otras preguntas

What is the difference between federalism and separation of powers
What are two numbers that add up to 70 without regrouping?
Ok, so i'm writing a story about this girl who's name is Alana. What should the story be about?
during the lunch break a deli sold 36 large sodas if the ratio of large sodas sold to small sodas sold was 4 : 1 how many small sodas were sold
How to translate equation into a sentence. 7(p+23)=102
I need help with density I don't get it at all
What mass of water will fill a tank that is 100.0 cm long, 50.0 cm wide, and 30.0 cm high? Express the answer in grams.
Ramon has a rope that is 25 1/2 feet long. He wants to cut it into 6 pieces that are equal in length.  How long will each piece be?
Sketch the graph of each function. Y
500 reduced by 4 times my age is 232 .