priscella08co priscella08co

09-02-2021
Mathematics

contestada

What are the two square roots for the number 81? *
(1) 27 and 3
(2) 9 and -9
(3) 40.5 and 2
(4) None of these

Respuesta :

vgrim99 vgrim99

09-02-2021

Answer:2

Step-by-step explanation:9 and -9 squared both are 81 because double negative makes a positive

Answer Link

Otras preguntas

Can someone please answer. There is one picture. There's a picture. Thank you!

What is the area formula of (A=1xw)?

.98345 x 100 =? a .0098345 B 983.45 c 98.345 d 9.8345

which choice is a trait of a quadrilateral? (picture)

Last month sue made $200 by baby-sitting for 12 hours and tutoring for 20 hours. This month she worked the same number of hours at each job as she did last mont

Find the area of a shaded part of a square

i need help please???? 1. What direct object pronoun in French would replace "moi"? (2 points) te le nous me 2. What direct object pronoun in French would

Find the first six terms of the sequence. a1 = -4, an = an-1 + 7

What is the geologic time scale and how does it relate to the fossil record?

If 0.507 moles of zinc reacts with excess lead(IV) sulfate, how many grams of zinc sulfate would be produced in the following reaction?