catwomn catwomn

14-12-2017
Mathematics

contestada

Which of the following expressions is correct?
-(-21) = 21
-(21) = 21
-(-21) = -21
(-21) = 21

Respuesta :

Аноним Аноним

14-12-2017

(-21)=21 is the correct answer

Answer Link

Аноним Аноним

18-12-2017

a is the correct answer

Answer Link

Otras preguntas

The exponential function g, whose graph is given below, can be written as g(x)=a•b^x

The South American Handbook is a geographical reference work found in a library.

Answer the statistical measures and create a box and whiskers plot for the following set of data. You may optionally click and drag the numbers into numerical o

Which opinion is supported by facts?A. Mr. Jackson is an effective teacher and a good basketball coach.B. Our principal should add more holidays to the school y

Examples of proteins for cells include _________?

(e) Predict the effect of the removal of the final electron acceptor on the rate of carbon fixation by the chloroplast. Justify your prediction

How many moles are in 1.5L of 0.40M Na2SO4?

compare and contrast subsidence agriculture commercial agriculture

Which organization would be most likely to need additional workers in a city experiencing rapid urbanization? Rural Electric Authority Soil Conservation Divisio

What do you suppose Confucius and Aristotle, teachers of virtue ethics, would say about the Colombians' case, and how would they go about assessing responsibili