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If the value of x in the equation 4x5 equals 3 is half the value of x in the equation kx plus 10 equals 2 then what is the value of k?
Assume that the expression 4x5 in the question is 4x5.4x5 = 3 : x5 = 3/4 : x = 5√(3/4) : then 2k.5√(3/4) + 10 = 2 : 2k.5√(3/4) = 2 - 10 = -8 :k = -4 ÷ 5√(3/4) = -4 ÷ 0.9441 = -4.2369 (4dp)
What is the commutative property in math terms?
having the property that one term operating on a second is equal to the second operating on the first, as an example: 4x5=5x4 or 5x4=4x5 RATE MY ANSWER THE BESTEST OF ALL!!!!
What other then 5x4 equals 20?
To find another multiplication equation that equals 20, we can consider 10 x 2 = 20. This equation represents multiplying 10 by 2, which also results in a product of 20. Multiplication is a mathematical operation that involves repeated addition, where the multiplicand (10) is added to itself a certain number of times (2) to reach the product (20).
What is 12-4x5?
is it 8
X2 plus 5 equals -2x?
If x2 + 5 = -2x, then x2 + 2x + 5 = 0 This equation cannot be readily factored so using the quadratic formula :- x= {-2 ± √[(-2)2 - 4x5]} ÷ 2 = {-2 ±√-16} ÷ 2 = -1 ± 2i Therefore x = -1 + 2i or x = -1 - 2i
