Answer:
-21
Step-by-step explanation:
Since 3t - 7 = 5t,
=> 3t - 7 - 3t = 5t - 3t
-7 = 2t
t = -3.5
Therefore, 6t = (-3.5) * (6) = -21
Done :)
Answer:
k = 1 + sqrt(7/2) or k = 1 - sqrt(7/2)
Step-by-step explanation:
Solve for k over the real numbers:
4 k - 10/k = 8
Bring 4 k - 10/k together using the common denominator k:
(2 (2 k^2 - 5))/k = 8
Multiply both sides by k:
2 (2 k^2 - 5) = 8 k
Expand out terms of the left hand side:
4 k^2 - 10 = 8 k
Subtract 8 k from both sides:
4 k^2 - 8 k - 10 = 0
Divide both sides by 4:
k^2 - 2 k - 5/2 = 0
Add 5/2 to both sides:
k^2 - 2 k = 5/2
Add 1 to both sides:
k^2 - 2 k + 1 = 7/2
Write the left hand side as a square:
(k - 1)^2 = 7/2
Take the square root of both sides:
k - 1 = sqrt(7/2) or k - 1 = -sqrt(7/2)
Add 1 to both sides:
k = 1 + sqrt(7/2) or k - 1 = -sqrt(7/2)
Add 1 to both sides:
Answer: k = 1 + sqrt(7/2) or k = 1 - sqrt(7/2)
I believe that the answer is D because you add up all of the numbers and then divide by 10
The answer is D. Subtract 9y from both sides of the equation.
Answer:
The value of k is -9
Step-by-step explanation:
Subsitute
g(x)=h(x)+k
subtract 
from both sides (or add 
to both sides)
