livrey06 livrey06
  • 15-05-2020
  • Mathematics
contestada

7x²=-21
is this true?

Respuesta :

vickyricco
vickyricco vickyricco
  • 15-05-2020

Answer:

not true

Step-by-step explanation:

(7x²=-21) /7

x²=-3

you cannot find the square root of a negative number

brainliest appreciated!!

Answer Link

Otras preguntas

This mammal retains its embryo in its uterus for the full term of the pregnancy. Which mammal is it most likely to be?
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ = 24.2 σ
If f(x) = 3x^2 + 2 and g(x) = x^2- 9, find (f-g)(x). O A. 4x2 - 7 O B. 2x2 +11 O c. 2x2 - 7 O D. 4x2 +11
Explain law of demand and supply along with graphical representation and how can we determine the price of any commodity?
A point on an ellipse is 11 unites from one focus and 7 units from another. What is the length of the major axis? Show your work
if sin theta = 2/3 which is possible
When the code that follows is executed, a message is displayed if the value the user entersvar userEntry = (prompt("Enter cost:");if (isNaN(userEntry) || userEn
Science differs from other disciplines such as history and arts because science relies on
Can a window pane be considered a mineral?
Which of the following formed in response to the cooling climate of the Archean? a. lava b. rocks c. fossil fuels d. oceans