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What is the constant of variation k if x .5 and y 1 Assume y varies directly as x?
If y varies directly as x then k = 2.
If Y is 5 when x is 2.5 and y varies directly with x find y when x is 10?
y varies directly with x means y = kx, where k is the constant of the variation. When x = 2.5 and y = 5, we have y = kx 5 = 2.5k k = 2 When x = 10, y = kx y = (2)(10) y = 20
What is half of 2x squared?
Half of 2x squared is x squared. To find half of a term, you divide the coefficient by 2 and keep the variable and exponent the same. In this case, half of 2 is 1, so the expression simplifies to x squared.
If a number is subtracted from its square the result is 2. Find the number.?
2. 2 squared = 4, and 4-2 = 2
What is 2x -2 squared?
2x -2 squared = 0
If f x varies directly with x2 and f x 96 when x 4 find the value of f 2?
f(2) = 24.
If y varies directly as x squared find k when y equals 16 and x equals -4?
20
Find an equation of variation where y varies directly as x and y equals 8 when x equals 2 find y when x equals 10?
40
F x varies directly with x and y equals -2 when x equals 8 Find the constant of variation k?
What is y? Fx varies with x, but y could be anything.
What is the constant of variation k if x .5 and y 1 Assume y varies directly as x?
If y varies directly as x then k = 2.
Find an equation of variation where y varies directly as x and y equals 2 when x equals 10 find y when x equals -25?
y = -5
What is the direct variation equation for x3 y2?
y = kx3/2If y2 varies directly with x3, then y varies directly with sqrt(x3) or x3/2.Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. If your question is not answered, please resubmit it, spelling out the symbols as "plus", "minus", "equals" etc. Also use ^ to indicate powers (x^2) or x-squared. :-)
A right triangle with legs of 7 and 9 units find the length of the hypotenuse?
To find the answer, You Find the square root of 7 Squared (7^2) and add 9 Squared (9^2). So you have Sqrt(7^2+9^2). Works out at about 11.40175
If Y is 5 when x is 2.5 and y varies directly with x find y when x is 10?
y varies directly with x means y = kx, where k is the constant of the variation. When x = 2.5 and y = 5, we have y = kx 5 = 2.5k k = 2 When x = 10, y = kx y = (2)(10) y = 20
What is half of 2x squared?
Half of 2x squared is x squared. To find half of a term, you divide the coefficient by 2 and keep the variable and exponent the same. In this case, half of 2 is 1, so the expression simplifies to x squared.
How do you find cosine squared at 30 degrees?
cos(30) = sqrt(3)/2 so cosine squared is 3/4.
X varies directly with y and inversely with z. x 5 when y 10 and z 5. Find x when y 20 and z 10x varies directly with y and inversely with z. x 5 when y 10 and z 5. Find x when y 20 and z 10x varies d?
Since ( x ) varies directly with ( y ) and inversely with ( z ), we can express this relationship as ( x = k \frac{y}{z} ), where ( k ) is a constant. Given that ( x = 5 ) when ( y = 10 ) and ( z = 5 ), we can find ( k ): [ 5 = k \frac{10}{5} \implies k = 2. ] Now, to find ( x ) when ( y = 20 ) and ( z = 10 ): [ x = 2 \frac{20}{10} = 4. ] Thus, ( x ) equals 4.
