Answer:
x = 7
Step-by-step explanation:
the 2 is doubled so the 3.5 has to be doubled as well
Answer:
a triangle;
Three faces of the cube meet to form the vertex, so the cross section is a two-dimensional figure with three sides
Step-by-step explanation:
Answer:
Step-by-step explanation: First Whats 9+10 Its 21 soooo yea 2nd u get smart 3rd Be a GIGA CHAD
Answer:

Option A is the correct option
Step-by-step explanation:

Collect like terms
⇒
Move 8 to right hand side and change it's sign
⇒
Add the numbers
⇒
Divide both sides of the equation by 8
⇒
Calculate
⇒
Hope I helped!
Best regards!!
Step-by-step explanation:
x^3+x^2+4x+4=0
x³+x²+4x=-4
x(x²+x+4)=-4
either
x=-4
or
x²+x+4=-4
x²+x+4+4=0
x²+x+8=0
comparing with ax² +bx+c
a=1
b=1
c=8
x={-1±√{1²-4×1×8}}/2×1
x={-1±√{-31}}/2