Seudónimo Seudónimo

03-04-2015
Mathematics

contestada

Simplify.
(-1/2)(4times)(-2)(7y)(-1)

A.

–28xy

B.

–28

C.

28xy

D.

27

Respuesta :

RedRicin RedRicin

03-04-2015

(-1/2)(4)(-2)(7y)(-1)

Just start multiplying!

-1/2 * 4 = -2
-2 * -2 = 4
4 * 7y = 28y
28y * -1 = -28y

Since that's not an option I suspect you're missing an x.

Answer Link

Otras preguntas

What are some evidence that Mr. Sir is not interested in helping the boys become better young men.

What arguments would you use to convince people they should conserve water? What are two suggestions you would make about ways to conserve water?

Which statement is the most effective response for a group discussion? A. Even during her most difficult times, Frida Kahlo worked on her art and found the str

The temperatures in two cities are listed below. How many degrees colder is Juneau? Anchorage: -9 degrees Juneau: -12 degrees

Which of the following is not a congruence theorem or postulate?

I NEED HELP PLEASE!!! IM BEGGING YOU PLEASE!!

mindy had 13 flowers. she gave some to sarah. she has 9 left. how many flowers did she give to sarah?

Read the sentence from the article. As in any compromise, neither side was completely satisfied, but each got part of what it wanted. What does compromise mean

Is 9x-3y=12 and 27x+9y=38 parallel or perpendicular

What occurred immediately after the French National Assembly published the Rights of Man and of Citizen? A violence during which the people were unable to form