These are all perfect cubes 1^3, 2^3 , 3^3 so the nth term is n^3
The next term after 64 = 5^3 = 125 answer
Answer:
b-108y³/x²
Step-by-step explanation:
4x^-2/(3y)^-3
negative exponent in nominator , moves to denominator and becaomes positive , and vice versa
4(3y)³/x²=4(27y³)/x²
108y³/x²
The value of x and y in the equation -5x + 8y = -21 and 3x - 4y = 15 are 9 and 4 respectively.
<h3>What is an equation?</h3>
An equation is the statement that illustrates that the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions that are connected by an equal sign.
The equation is given as:
-5x + 8y = -21
3x - 4y = 15
Multiply equation i by 3
Multiply equation ii by 5
-15x + 24y = -63
15x - 20y = 75
Add both equations
4y = 12
Divide
y = 12/4
y = 3
From 3x - 4y = 15
3x - 4(3) = 15
3x - 12 = 15
Collect like terms
3x = 12 + 15
3x = 27
Divide
x = 27/3
x = 9
Therefore, x = 9 and y = 4.
Learn more about equations on:
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