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Alecsey [184]
3 years ago
11

What is the equation in point slope form of the line that passes through the point 

Mathematics
1 answer:
Alborosie3 years ago
6 0
Since you already have the slope, you just have to plug in the points in the equation y- y_{1} =m(x- x_{1})

Just plug in the number in for y1 and x1 and you'll get:
y+2 =3(x-1)

Which is C!

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150 miles in 3 hours
uysha [10]
150 miles= in 3 hours
150 miles/3 hours 
= 50mph
6 0
3 years ago
Read 2 more answers
37 is what percent of 148? I also need 148 is what percent of 37? Thank you!
yuradex [85]

Answer:

25%

400%

Step-by-step explanation:

37=148x

x=0.25

25%

148=37x

x=4

5 0
2 years ago
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149 cars are waiting to take a ferry across the channel. Each ferry can only hold 18 cars. How many cars will be on the last fer
STatiana [176]

Answer:

5 cars will be on the last ferry

Step-by-step explanation:

If you divide 149 by 8, you get 8.27.

Since each ferry can hold 18 cars, you multipy 18 by 8 which results in 144. Then you subtract 144 from 149 and you get 5 :)

4 0
3 years ago
Read 2 more answers
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
Help me I’m going a math test :))) will mark brainliest
victus00 [196]

Answer: D) 4034.4

Step-by-step explanation:

47 * 3 = 141

158 * 3 = 474

Perimeter=

141+141+474+474

= 1230 total fencing

Price=

1230 * 3.74=

D) 4034.4

7 0
3 years ago
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