Question

Help needed
http://prntscr.com/11pk1o

Answer 1

Its C

Answer 2

yes.

Answer 3

http://prntscr.com/11plj3

Answer 4

its B

Answer 5

yes.

Answer 6

B and D are same

Answer 7

@hartnn

Answer 8

so i should choose B or D

Answer 9

both are simplified but i think B is more simplified, i also would go with B

Answer 10

http://prntscr.com/11pmnt

Answer 11

its D

Answer 12

yes.

Answer 13

http://prntscr.com/11pn5o

Answer 14

its A

Answer 15

good ! its correct :)

Answer 16

The volume in cubic feet of a box can be expressed as (x)=x^3-〖6x〗^2+8x , or as the product of three linear factors with integer coefficients. The width of the box is 2 – x.

Factor the polynomial to find linear expressions for the height and the width.

Answer 17

@hartnn

Answer 18

\(x^3-6x^2+8x = x (x^2-6x+8)= -x (2-x)(x+ .....)\)
so you have difficulty finding that .... ?

Answer 19

V(x)=x(2-x)(4-x)

Answer 20

V(x)=x(2-x)(4-x)
is this answer correct

Answer 21

yes. :)

Answer 22

what more do we have to find other than this

Answer 23

http://prntscr.com/11ppwe

Answer 24

for b) part ?

Answer 25

or whats your doubt exactly ?

Answer 26

http://prntscr.com/11ppwe

Answer 27

means you need help with both parts ?
for a) the matrix is 3X3 with elements as the numbers.
could you make it ?
for b) H21 (154) represents the element in 2nd row and 1st column , that is the 2nd address where the heating oil was used

Answer 28

for a http://prntscr.com/11prw1

Answer 29

i don't know how to make matrix bracket

Answer 30

@hartnn

Answer 31

for b The building at 154 Spring St. used 982 gallons of heating oil in 2002.