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stiks02 [169]
2 years ago
9

An airplane has for 260 miles out of a total trip of 500 miles what fraction in simplest form of the trip has been completed

Mathematics
1 answer:
Hunter-Best [27]2 years ago
3 0

Answer:

13/25

Step-by-step explanation:

i think

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Slope is - 4 and the line passes through the point (1,3 )​
Sergeeva-Olga [200]
Y = -4x + 7
This is the equation of the line. The slope is -4. The Y- intercept is 7
3 0
2 years ago
How do I know how to determine whether a relation is a function? What is a function?
scoundrel [369]

Answer:

all are functions

Step-by-step explanation:

a function is when each x has a y

a relation is when 1 x has more than 1 y which makes it invalid therefore not a function

5 0
3 years ago
Read 2 more answers
Solve this equationn 5w=17.5
Alchen [17]

Answer:

w = 3.5

Step-by-step explanation:

w = 3.5?

4 0
2 years ago
How do you solve x+4=10^x
raketka [301]
Two ways to solve the problem:

A. By graphing f(x)=10^x and g(x)=x+4.
The intersection(s) will be the solution.
See graph below, approximate solutions: (-4,0),(0.66, 4.67)

B. Refine approximate solutions using Newton's method
Let h(x)=f(x)-g(x) = 10^x-x-4 ...............(1)
we calculate the derivative, h'(x) = log(10)*10^x-1   [ note:log(x) means ln(x) ]
and use Newton's iterative formula to find successive approximations to the root, basically refining the approximate solutions.
The iterative formula for nth approximation x_n is given by
x_n = x_{n-1} - h(x_n) / h'(x_n)....(2)

Using initial approximation (-4,0), we have x0=-4
x1
=x0-h(x0)/h'(x0)
=-4 - h(-4)/h'(-4)
=-4 - (10^(-4)-(-4)-4)/(log(10*10^(-4)-1)
=-4 - (1/10000)/(log(10)/10000-1)
=-3.9999000

Repeating the same for second approximation, x2, we get
x2=-3.99989997696619 which is accurate to 14 places after decimal

Now we can refine the other approximate solution, x0=0.66 to find
x1=0.669356
x2=0.6692468481102326
x3=0.669246832877748
x4=0.6692468328777476
So we will accept x=0.669246832877748

So the solutions are S={-3.99989997696619,0.6692468328777476}  both accurate to 14 places after the decimal

3 0
3 years ago
Amy looks up to the 8-foot basketball hoop as shown. If the vertical distance from the ground to Amy’s eyes is 5.9 feet, what is
Igoryamba
The angle of elevation<span> of an object as seen by an observer is the </span>angle<span> between the horizontal and the line from the object to the observer's eye (the line of sight). since you did give the horizontal distance between amy and the hoop, so let us represent it as x.
so the angle of elevation = tan^-1 ( (8 - 5.9) / x)
angle elevation = tan^-1 ( 2.1 / x )</span>
8 0
3 years ago
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