<u>Answer:</u>
The correct answer option is 0.
<u>Step-by-step explanation:</u>
We know the quadratic formula that we use to find the roots of a quadratic equation:
The discriminant in this formula is the part underneath the square root symbol i.e. b^2-4ac.
For a quadratic equation to have exactly one real number solution, the discriminant must be zero.
As we can see the + and - sign appearing before the discriminant here so for one real number solution, these plus and minus signs need to be removed which can only happen if we have a value of zero.
Answer:
total distance= 12000+12000=24000
total time = 5+6=11
average speed of plane= 24000/11
X= -9
i have to type some more characters
Answer:
Step-by-step explanation:
<u>Given </u><u>:</u><u>-</u><u> </u>
And we need to find out the Inverse of the function . Let us assume that f(x) = y . Now , firstly replace x with y and vice versa.
<u>Function</u><u> </u><u>:</u><u>-</u><u> </u>
<u>Interchanging</u><u> </u><u>x </u><u>and </u><u>y </u><u>:</u><u>-</u><u> </u>
<u>Solve </u><u>out</u><u> </u><u>for </u><u>y </u><u>:</u><u>-</u><u> </u>
<u>Replace</u><u> </u><u>y with</u><u> </u><u>f-¹</u><u>(</u><u>x)</u><u> </u><u>:</u><u>-</u><u> </u>
<u>Hence </u><u>the </u><u>inverse</u><u> of</u><u> the</u><u> function</u><u> is</u><u> </u><u>-x/</u><u>4</u><u>-</u><u>3</u><u> </u><u>.</u>
Answer: 77.5%
Step-by-step explanation:
1 liter is about 0.264172 gallons. Thus, simply multiply 170,000*0.264172 to get about 44,909.25 gallons. Then, do 200,000-44,909.25 to get 155090.75. Then do 155090.75/200,000 to get that the tank has 0.77545375, or about 77.5% fuel remaining.
Hope it helps <3