Question

Help please.

Answer 1

@jigglypuff314

Answer 2

first one use distributive property a(b-c) = ab - ac
so you get (√(7x))(√x) - (√(7x))(7√7))
things multiplied under square roots can combine
so (√(7*x*x)) - (7√(7*7*x))

Answer 3

C. :)

Answer 4

am i wrong? :o

Answer 5

sorry, I was kinda bogged down by a flood of notifications o.o xD
it's not quite C ;) really close though! :)
look at the (7√(7*7*x)) part and guess again

Answer 6

lol omg wonder how's that like! xD and ok hmm

Answer 7

B D:

Answer 8

mmm the x√7 was correct before

Answer 9

A!!!! :D AAHHh

Answer 10

hehe yes :)

Answer 11

yayyy ty! think u could help me with one more ? :D

Answer 12

Consider the leading term of the polynomial function. What is the end behavior of the graph?

Answer 13

x^5 is normally up and up http://www.wolframalpha.com/input/?i=x%5E5
a negative in front of it would make it down and down

Answer 14

B :o

Answer 15

yep :) I think so ;)

Answer 16

;D thanks jigglyyy!!

Answer 17

glad I could help ^_^

Answer 18

ohh wait!!

Answer 19

canu check something for me? ;/

Answer 20

this is the ques ... The velocity of sound in air is given by the equation =20√(273+t) , where v is the velocity in meters per second and t is the temperature in degrees Celsius. Find the temperature when the velocity is 329 meters per second by graphing the equation. Round the answer to the nearest degree