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

Why did Austria-Hungary annex Bosnia and Herzegovina?

An artist’s paint set contains 30% watercolors and 25% acrylics. What fraction represents the portion of the paints are watercolors or acrylics? (Please show wo

Which type of environmental science career involves collecting information about how human events impact the environment? a.Environmental journalistb.Environmen

Homework help :) Give an example where the following energy changes would take place: Electric to Thermal Chemical to Thermal Electric to Mechanical

When a printer receives a command, it generates a unique signal to the os, which is called a(n)?

The allele for a widow’s peak has complete dominance over the allele for a straight hairline (w). What is the probability of a man with a straight hairline (ww)

What is the difference between linear and nonlinear equations

What evidence in the declaration of independence helps you know why it was written?

What is the gcf of 77 and 56

What impact did the tyrants have on greek society?