Subtract 3/4x from both sides
1/3x-4-3/4x= 3/4x+1-3/4x
-5/12x-4=1
Add 4 to both sides
-5/12x-4+4=1+4
-5/12x=5
Multiply both sides by 12/(-5)
(12/-5)*(-5/12x)= (12/-5)*(5)
x= 12
I hope that's help.
1- I didn't understand it
2).. (a/b)² (a/b)⁸
= (a/b)²+⁸ = (a/b)¹⁰
3) 3-⁵ = 1/3⁵ = 1/243
4) (x/y)"
d/dx (x/y) = (1/y)
d/dx (1/y) = 0
5) (2m⁴n³)⁵
= 2⁵ × (m⁴)⁵ × (n³)⁵
= 32 × m²⁰ × n¹⁵
= 32m²⁰n¹⁵
Answer:
100-16x
Step-by-step explanation:
-10(-10+7x)-6(-9x)
apply rule -(-a)=a:
-10(-10+7x) +6x9x
Multiply 6 x 9:
-10(-10 + 7x)+54x
Distribute:
100-70x+54
combine like terms:
100-16x
Answer:
54, 72, and 90
hope this helps :)
Step-by-step explanation:
Answer:
<h2><u><em>
9/40</em></u></h2>
Step-by-step explanation:
Carol ate 2/5 of the cake; Dima ate 3/8 of the remaining cake, mom ate the rest. What fraction of the whole cake did mom eat?
1 - (2/5 + 3/8) =
1 - 31/40 =
9/40
-----------------
check
9/40 + 2/5 + 3/8 = 1
the answer is good
