412brooke 412brooke

01-06-2018
Mathematics

contestada

50 POINTS
Which number is the principal square root of 49?
(A) Both 7 and -7
(B) There is none
(C) 7
(4) -7

Respuesta :

Ster007 Ster007

01-06-2018

A, both 7 and -7,
[tex] - \times - = + [/tex]

Answer Link

Faithl0326 Faithl0326

01-06-2018

* 7 = 49
-7 * -7 = 49
So since either negative or positive works, Id go with A.
HOPE THIS HELPS

Answer Link

Otras preguntas

Start a system of equations for X plus 3Y equals 17 and 3X plus 2Y equals 13

If at a toy store, 2 board games cost $13.40, what is the unit price of a board game?

WILL GIVE BRAINLIEST TO WHOEVER GIVES AN EXPLANATION WITH CORRECT ANSWER! Look at the pic

Square ABCD was translated using the rule (x. y) «-4,y + 15) to form A'B'CD. What are the coordinates of point D in the pre-image if the coordinates of point D'

which conversion factor do you use first to calculate the number of grams of fecl3 produced by the reaction of 30.3 g of fe with ci 2?

a transformer is used to provide a pd of 100kV to an xray tube from 250V a.c mains supply. A current of 100mA flows in the x ray tube and the transformer is 100

To be considered a source of water pollution, the source must include a chemical. Please select the best answer from the choices provided ОТ OF

Read the excerpt from “All Summer in a Day” by Ray Bradbury. It had been raining for seven years; thousands upon thousands of days compounded and filled from on

Help needed urgently

Which type of drug binds to glucocorticoid receptors to stop cells from making an inflammatory response?