412brooke
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 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

Does an owl have a backbone?
What's 5 divided by x squared explain
The inner and outer Radii of a cylindrical pipe are 5 cm and 4 cm respectively. find the area of cross section of the pipe.
Factor the expression. If the expression cannot be factored, say so.
What's 5 divided by x squared explain
a lunch bill including tax, is divided among you and 5 friends. everyone pays less than $8.75. write and solve an inequality that describes the total amount of
Does an owl have a backbone?
What is 25% of $500.00? I think the answer is $475.00 Can someone verify if twenty five percent of 500.00 is $475.00
What all the multiples of 81?
What is 25% of $500.00? I think the answer is $475.00 Can someone verify if twenty five percent of 500.00 is $475.00