Answer:
L=7cm
W= 26cm
Step-by-step explanation:
Step one
Given data
let the lenght be x
L= x
W= 3x+5
P= 66
Step two:
P=2L+2W
substitute
66= 2x+2(3x+5)
66= 2x+6x+10
66= 8x+10
collect like terms
66-10= 8x
56= 8x
x= 7cm
L= 7cm
W= 3(7)+5
W= 21+5
W= 26cm
Answer:
X=13/3
Step-by-step explanation:
Distribute and transfer the x’s to the other side and make sure to flip the signs of the x’s. Then solve for x.
Answer:
1
Step-by-step explanation:
By using Order of Operations, or Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction, or (PEMDAS) for short.
g - 3/7 = 2/7 is an equation.
Answer:
7.368421053
Step-by-step explanation:
take your calculator and divide 140 by 19