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

y = x – 6 x = –4 what is the solution to the system of equations? (–8, –4) (–4, –8) (–4, 4) (4, –4

how do you solve 4(x-3?

which of the following correctly describes a way in which earth’s atmosphere interacts with the geosphere? it contains gases that living organisms breathe. it c

Please select the best answer and click "submit." Given that ABCD is a rhombus, find the value of x. A. 20 B. 30 C. 93 D. 56 E. 50

A model jet is fired up in the air from a 16-foot platform with an initial upward velocity of 52 feet per second. The height of the jet above ground after t sec

odysseus, the great hero, was lost at sea for many years. while he was gone, his wife faithfully waited for him. she used her cleverness to fight off the many m

which type of solar radiation is the least powerful

dose anyone know this plz

What will 4 balloons cost if 10 balloons cost £3.00

five less than twice a number is equal to 57