Answer:
-56
Step-by-step explanation:
=(y)(y)+(y)(−7)+(8)(y)+(8)(−7)+−y2+−y
=y2+−7y+8y+−56+−y2+−y
=y2+−7y+8y+−56+−y2+−y
=(y2+−y2)+(−7y+8y+−y)+(−56)
Answer:
Dawn is selling her MP3 player for 30$.
Step-by-step explanation:
40 x 0.75 = 30
Hope this helps!! :)
You can use the butterfly method. Two numbers that equal A times C must also add up to B. A=1 B=-10 C=21. A times C is 21 and B is -10. Two numbers that multiply to 21 and add to -10 are -7 and -3. Factored form: ( x - 7 )( x - 3 ).
Answer:
31
Step-by-step explanation:
thye blow up 36 balloons in total but 5 pop 36-5=31
I guess the original function was
y = 5x (1)
y+Δy =5(x+Δx) (2)
(2) - (1) =
Δy = 5Δx
Δx →0, Δy/Δx →5
