Answer:
Step-by-step explanation:
Just use the Pythagorean Theorem:
Answer:
discriminant = 0
The real root -2/3
Step-by-step explanation:
The formula for discriminant : b^2 - 4ac
12^2 (-4)×9×4 = 144 - 144 ➡ discriminant = 0 this means the roots is a repeated real number, which means there's only one solution
(3x + 2) × (3x + 2) = 0
3x+ 2 = 0
x = -2/3
The direct variation that can be established using the given parameters is that, the time it takes between seeing the lightning and hearing the thunder is directly related to the speed.
However, it can also be established that the time described above is inversely proportional to the distance. This can be written as,
t = k/d
We substitute the given expression for each of the known terms. t is time, s, and d is distance, 3s.
s = k/3s
The k written in the equation is the constant of proportionality.
The solution to the given equation is 4 and -4.
<h3>What is a fraction?</h3>
Fractions are the numerical values that are a part of the whole.
A whole can be an object or a group of objects.
The given equation is;
A fraction is used to represent the portion/part of the whole thing.
The solution of the fraction is determined in the following steps given below.
Hence the solution to the given equation is 4 and -4.
Learn more about fractions here;
brainly.com/question/17431959
This year, John played in 10 baseball games. In these games he had hit the ball 2,3,1,1,3,2,4,6,2, and x times. The mean is 3 hi
allsm [11]
Answer:
x = 3
Step-by-step explanation:
The mean is the average so set up an equation that adds up all the points and divides them by the total, set equal to 3, and solve for x
(2+3+1+1+3+2+4+6+2+x)/10 = 3
(24 + x)/10 = 3
24 + x = 30
x = 6
To check if this is correct, add up all the numbers and divide by 10.
2+3+1+1+3+2+4+6+2+6 = 30/10 = 3