31-01-2021
Mathematics

contestada

Log10 (x squared - 4x + 7) = 2

Respuesta :

31-01-2021

log_(10)(x² - 4x + 7) = 2

Take the base 10 anti log of both sides.
x² - 4x + 7 = 10² = 100
x²- 4x - 93 = 0

Quadratic Formula
x = [4 ± √(4²-4(1)(-93))]/[2(1)] = [4 ± 2√97)]/2 = 2 ± √97

Answer Link

Otras preguntas

1. Explain what it means when we say a substance is magnetic

what is exchange rates?

show two ways of using the distributive property to find the product of 127 and 32

When there is a lower concentration of water outside of a plant cell rather than inside a plant cell, the plant will tend to — A: grow toward the sun B: l

How did the bracero program benefit both Mexicans and Americans?

What is the ka in ancient egypt?

Megan has 25 phone numbers stored in her cell phone. Abby has some phone numbers stored in her cell phone. Together they have a total of 61 phone numbers stored

Julie's mp3 player contains 860 songs if 20% of the songs are rap songs and 15% of the songs are r&b songs how many of the songs are other types of songs

Which is equivalent to 8x−y 3x8x-y 3x?

A conical tank is leaking water at the rate of 75 cubic inc/min. At the same time water is being pumped into the tank at a constant rate.The tanks height is 60