The answer is 19
First you must set up the equation
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First, you must make the mixed number a improper fraction
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Then you must divide
Finally, simplify
19
What are two integers whose sum is -20
1 answer:
Hey! Hope that I can help!
To do this, all we need to do is find 2 integers that can add up to be -20, or
+ [tex]x[tex] = -20. So, to get 2 integers that can add up to a specific value, an easy thing to do is to figure out what could add up to -20. One pair of numbers that would work here is -5 and -15.
If this helped, please mark this answer the brainliest. Thanks!
To do this, all we need to do is find 2 integers that can add up to be -20, or
If this helped, please mark this answer the brainliest. Thanks!
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Answer:
- g(x) = x² + 20x + 106
Step-by-step explanation:
<u>Given:</u>
If g(x) is the inverse of f(x), find it.
<u>Swap x with g(x) and f(x) with x:</u>
<u>Solve for g(x):</u>
Answer: 20 mph
Explanation:
Speed is a physical quantity which is equal to the ratio between the distance covered (d) and the time taken (t):
In the first part of the problem, the plane flew a distance of d=400 mi in a time of t=2.5 h. The speed of the plane in this case was the difference between the proper speed of the plane, v, and the speed of the wind, w, since the plane flew opposite to the wind. So we can write:
(1)
During the return trip, the plane flew with a speed (v+w), since the wind was on the tail, and it took 2 hours to cover the same distance:
(2)
So we have two equations with two unknown variables. From (1), we get
Substituting into eq.(2)
So, the speed of the wind was 20 mph.