4ydsn75vkq 4ydsn75vkq

04-02-2022
Mathematics

contestada

Find the solutions to x2 = 20.
O A. x = +10-12
XE
B. X = +2,5
X =
O C. * = +2./10
O D. x= 1512
X=

Find the solutions to x2 20 O A x 1012 XE B X 25 X O C 210 O D x 1512 X class=

Respuesta :

evgeniylevi evgeniylevi

04-02-2022

Answer:

B.

Step-by-step explanation:

[tex]x^2=20; \ => \ \left[\begin{array}{ccc}x=\sqrt{20} \\x=-\sqrt{20} \end{array} \ => \ \left[\begin{array}{ccc}x=2\sqrt{5} \\x=-2 \sqrt{5} \end{array}[/tex]

Answer Link

Otras preguntas

Maker the subject of this formula. V = ³√p+r?

the boston weatherman says there is a 75 percent chance of rain for each day of the labor day four-day weekend. if it doesn't rain, then the weather will be sun

why this constitution is called Federal Democratic Republic state

please help with this question and give detailed explanation!! thank you!!

which expression simplifies to 41? choose all that apply! question 14 options: 10 2³ ∙ 4 - 1 10 2³ ∙ (4 - 1) (10 2³) ∙ 4 - 1 10 (2³ ∙ 4) - 1

Building A is 251 meters taller than building B. If the height of building A is subtracted from twice the height of building B, the result is 223 meters. How ta

for the given functions f and g,find the composition please help

A musician kept track of the concert arenas on this year's tour and found that 60% of the arenas were sold out. Of those that were not sold out, 25% had been on

QUESTION 5 The owner of an older house wants to put new tile in the kitchen. At a local hardware store the tile the owner wants to putdown is on sale for $2.50

A point A (x, y) is translated 7 units to the left and 2 units up. What is the mapping to the new point A’? (x+2, y+7) (x-7, y+2) (x+2, y-7) (x+7, y+2)