Answer:
<h2>
64/27</h2>
Step-by-step explanation:
If x and y be real numbers satisfying 2/x=y/3=x/y, then any two of the equation are equated as shown;
2/x = y/3 ... 1 and;
y/3 = x/y... 2
From equation 1, 2y = 3x ... 3
and from equation 2; y² = 3x ... 4
Equating the left hand side of equation 3 and 4 since their right hand sides are equal, we will have;
2y = y²
2 = y
y = 2
Substituting y = 2 into equation 3 to get the value of x;
2y = 3x
2(2) = 3x
4 = 3x
x = 4/3
The value of x³ will be expressed as (4/3)³ = 4*4*4/3*3*3 = 64/27
Answer:
87.92
Step-by-step explanation:
c= Circumference
d= Diameter
Answer:
x=-2
Step-by-step explanation:
-4(x-7)=36
divide both sides by four
x-7=-9
move constant to the right and change its sign
x=-9+7
calculate the sum
x=-2
Answer:
anything greater than 3/5
Step-by-step explanation:
equation: x is greater than 3/5
Answer: 161 packages of gift wrap and the 44 packages of greeting cards
Step-by-step explanation:
We are told the class sells 205 packages in total of gift wraps and greting cards:
(1)
Where 
is the number of packages of gift wrap and 
is the number of packages of greeting cards.
In addition, we are told the class receives a total of 
selling each package of gift wrap for 
and each package of greeting cards for 
:
(2)
Isolating from (1):
(3)
Substituting (3) in (2):
(4)
Finding :
(5) This is the number of packages of greeting cards
Substituting (5) in (1):
(6)
Isolating :
This is the number of packages of gift wrap
