shalayah2727 shalayah2727

15-05-2020
Mathematics

contestada

Solve for x.

x2 - 49 = 0
A) 0
B) ±49
C) ±49i
D) ±7

Respuesta :

zondo35 zondo35

15-05-2020

The correct answer is D.

Answer Link

vickyricco vickyricco

15-05-2020

Answer:

D

Step-by-step explanation:

x^2=49 -> 7

x^2=-49 -> -7

really need brainliest - it would be appreciated

Answer Link

Otras preguntas

what is the product of -3x^2y and (5xy^2+xy)?

A man with mass 81 kg lies on the floor. What is the normal force on the man? A. 855 N B. 794 N C. 713 N D. 820 N

What is the empirical formula of a compound that is 79.8% carbon and 20.2% hydrogen?

what are the four requirements for life?

What are the possible values for x in the equation 4x²=641) x=02) x=43) x=4,-44) x=0,4,-4

use long division to find the quotient, q(x), and remainder, r(x)(x2-2x-15) / (x-5)

how does geography affect Philippines history?

Any reaction that absorbs 150 kcal of energy can be classified asa. activated.b. exothermic.c. oxidation.d. endothermic

How many moles of NO3 are there in 6.2g?

what is the product of -3x^2y and (5xy^2+xy)?