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Vedmedyk [2.9K]
3 years ago
7

A line has a slope of 9/13 and passes through the point (13, 7). What is its equation in slope-intercept form?

Mathematics
1 answer:
Readme [11.4K]3 years ago
8 0

Answer:

y = 9/13x - 2

Step-by-step explanation:

y = 9/13x + b

7 = 9/13(13) + b

7 = 9 + b

-2 = b

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An amusement park charges $120 for a one-week pass. If the pass is put on sale at a 25% discount, what is the amount of the sale
Flura [38]

Answer:

100 - 25 = 75

120/100 X 75 = 90

sale price is $90

8 0
3 years ago
Which expressions are differences of squares?
Lina20 [59]
Difference of 2 perfec squares is
(a^2)-(b^2)




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8 is not perfect square


2nd one
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third
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3 years ago
What is 97.68 - 32.3 equal
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5 0
3 years ago
Read 2 more answers
Find the roots of the polynomial equation.<br><br> 2x3 + 2x2 – 19x + 20 = 0
d1i1m1o1n [39]
First, find any zero of the polynomial. Since you didn't ask for work, I'll assume it's okay if I use my calculator. Your given polynomial has only one real root which is x=-4.

Now we use the rule that x-a divides the polynomial where a is a zero of said polynomial.

So x+4 divides 2x^3+2x^2-19x+20. 
<span>(2x^3+2x^2-19x+20) / (x+4 equals 2x^2-6x+5).
 
If we factor out a two, we can use the quadratic formula.

2(x^2-3x+2.5) so we have x = (-(-3)+/-(9-4*1*2.5)^(1/2))/2*1)=(3+i)... or (3-i)/2 Where i is the square root of negative one. final answer:
2x^3+2x^2-19x+20=0
 
then x=-4, (3+i)/2, or (3-i)/2
</span>we have two imaginary number.
I hope it helped you
5 0
3 years ago
Read 2 more answers
What is the solution to this equation? 6(x-4)+7=-5​
EleoNora [17]

Answer:

x = 2

Step-by-step explanation:

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6(x-4) + 7 - 7 = -5 - 7

6(x-4) = -12

6(x-4)/6 = -12/6

x - 4 = -2

x - 4 + 4 = -2 + 4

x = 2

4 0
4 years ago
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