Answer:
2x² + 23
Step-by-step explanation:
Distribute the -5 and combine like terms.
7x² + 3 - 5(x² - 4) =
= 7x² + 3 - 5x² + 20
= 2x² + 23
Answer:
x=0.8
Step-by-step explanation:
-5x + 4= 0
-4 -4
-5x=-4
÷5
-x=-0.8
x=0.8
Answer:
AC=96
Step-by-step explanation:
If B is the midpoint of AC then AB is equal to BC there for you can find AC by adding AB and BC (AB+BC=AC) so in this case it would be 48+48=96
3 of the photos are of giraffes, because one sixth of 18 is 3.
The volume of a cube is L^3 where L is a side length. Here we have 2 identical cubes so
128=2L^3. Divide by 2 then
64=L^3. Take cube root of both sides to get
L=4