Step-by-step explanation:
Since x² + kx + (k + 3) is tangent to the x-axis, the quadratic function has a repeated root.
The discriminant is zero, so b² - 4ac = 0.
=> k² - 4(1)(k + 3) = 0
=> k² - 4k - 12 = 0
=> (k - 6)(k + 2) = 0
Hence k = 6 or k = -2.
Answer. 68%
Explanation: divide 17 by 25 and you will get .68 which you convert to a percent
Answer:
201.06 cm
Step-by-step explanation:
Let be the length of one leg, and be the length of the hypothenuse. Finally, let be the measure of the angle between them. Then, the following relation holds:
Plugging your values, we have
Solving for x, we have
Answer:
if you are replacing the variable which is x, the answer would be 0. If not, then i don't know
Step-by-step explanation: