kaitlyn4
kaitlyn4
27-02-2015
Mathematics
contestada
what is the zero for 2x2-7=4
Respuesta :
apologiabiology
apologiabiology
27-02-2015
2x^2-7=4
subtract 4 from both sdies
2x^2-11=0
therefor
2x^2=11
divide by 2
x^2=5.5
square root both sdies
x=-2.345 or 2.345
Answer Link
Panoyin
Panoyin
28-02-2015
2x² - 7 = 4
+7 +7
2x²
=
11
2 2
x² = 5 1/2
x = √5 1/2
Answer Link
VER TODAS LAS RESPUESTAS ( 45+ )
Otras preguntas
How long does a horse take to run a distance of 6 miles at 16 miles/hour
Mera painted equal sections of her bedroom wall to make a pattern. She painted 2/5 of the wall white and 1/2 of the wall lavender. Write an equivalent fraction
How long does a horse take to run a distance of 6 miles at 16 miles/hour
What's the square root of 119?
70% of what number is 35 ?
What are the factors of -72 that add up to -15
330,000 write using Scientific Notation.
Are the light waves reflecting off a red stop sign longer or shorter than the waves reflecting off a Violet colored jacket
what are some characteristics for simplest form
Answer to this question please ASAP