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Kitty [74]
3 years ago
6

Help with this please

Mathematics
1 answer:
alexdok [17]3 years ago
8 0
To create an equation, you have to find the slope of the line

m = \frac{ y_{2}- y_{1}  }{ x_{2}- x_{1}  }

Where m is your slope  and:

(4,5) => (x_{1}, y_{1})

(-3,-1) => (x_{2} ,  y_{2} )

So, plug the numbers into the equation

m = \frac{-1-5}{-3-4} =  \frac{-6}{-7} =  \frac{6}{7}

The slope of this equation is 6/7

Point slope form of a line is:

y -  y_{1} = m(x -  x_{1} )

(-3,-1) => (x_{2} , y_{2} ) and m = 6/7

y + 1 = 6/7 (x + 3)



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What is a rational number between -1/4 and 2/5
Sliva [168]
.20 is a rational number between -1/4 and 2/5.

It can be part of a ratio.

20:100

A fraction

20/100 or 1/5

I hope this helps!
~cupcake
4 0
4 years ago
Find the values of x and y.
kotykmax [81]

Answer:

y=9 and x=18

Step-by-step explanation:

You know that y+3=12 so 12-3=9

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6 0
3 years ago
What is the twentieth term of the arithmetic sequence described by the<br> equation an= 3n - 10?
sergij07 [2.7K]

Answer:

The twentieth term is 50.

Step-by-step explanation:

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a1 = 3*1 - 10

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Therefore to find the twentieth term we need to make n equal to 20. This is done below:

a20 = 3*20 - 10

a20 = 60 - 10

a20 = 50

The twentieth term is 50.

8 0
4 years ago
Grant pays 10 cents per minute plus $5 per month for telephone long distance. Write an algebraic expression for m minutes of lon
dolphi86 [110]
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5 0
4 years ago
220 is 95.3% of what number?
Elis [28]
To get the answer we can use proportion
220 ----------------95.3%
x -------------------100%
Crossmultiply now
220*100%=95.3%*x
22000=95.3x                 /:95.3
22000:95.3=x
231=x - its the answer
3 0
3 years ago
Read 2 more answers
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