mikaylapung
mikaylapung mikaylapung
  • 03-12-2020
  • Mathematics
contestada

answer 8 and 9 for 10+ points

answer 8 and 9 for 10 points class=

Respuesta :

pierrette132 pierrette132
  • 03-12-2020

Answer:

question 8 : it is equal to 0

Question 9 : 4+5[tex]\sqrt{2}[/tex]

Step-by-step explanation:

= [tex]\sqrt{7} -\sqrt{28}\\2\sqrt{7} - \sqrt{4x7}\\2\sqrt{7} - 2\sqrt{7}\\0\\\sqrt{2} (5+\sqrt{8})\\5\sqrt{2} + \sqrt{2*8}\\5\sqrt{2} + 4\\4 + 5\sqrt{2}[/tex]

Answer Link

Otras preguntas

Write good insulators around the home
What are the positive and negative aspects of a zoo or safari park?
Rewrite the following linear equation in slope-intercept form. Write your answer with no spaces. y+2=4(x-3)
how much sperm does it take to make a baby?
In minks, the gene for brown fur (B) is dominant to the gene for silver fur (b). Which set of genotypes represents a cross that could produce offspring with sil
convert to vertex form. y=2x^2+14x-4
Okay so I have three tests tomorrow. Haven't even started studying for two of them (Literature and History) but I already know science. How do you all learn 40
how far away is all 9 planets from the sun
The areas of two circles are 36(pi) and 64(pi). What is hte ratio of the diameters? of the circumferences?
What is the value of 6P6?  A.1  B.36  C.720  D.46,656