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2 years ago

Find the slope of the line that passes through the points (5,8) and (9,20)

Mathematics

2 answers:

ankoles [38]2 years ago

8 0

Answer:

Slope = 3

Step-by-step explanation:

the points (5,8) and (9,20)

A point is always written in the form (x, y)

(5,8) and (9,20) is in the form (x1, y1) and (x2, y2)

Slope =( y2 - y1) / (x2 - x1)

x1=5, x2=9,y1= 8, y2 = 20

Slope = (20 - 8) / (9 - 5)

Slope = 12/4

Slope = 3

I hope this was helpful, please rate as brainliest

Evgesh-ka [11]2 years ago

6 0

Equation to find slope with two points:

y2-y1
——— = m(slope)
x2-x1

Answer:
m = 3

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After a 12% increase the cost of a new cooker is £190.40

Gelneren [198K]

Answer:

22.848

Step-by-step explanation:

Calculate what 12% is out of 190.40

Brainiest Answer???

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2 years ago

Which is the graph of f(x) = x2 - 2x + 3?

VMariaS [17]

Vertex =(1,2). It’s is also the minimum of our parabola
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1 year ago

Read 2 more answers

Suppose an=3an-1 -5an-2 -4an-3. and a4= -7, a5=-36, a6=-85 , find a1 , a2, a3

maria [59]

Answer:

$a_1=4\\\\a_2=0\\\\a_3=3$

Explanation:

The equation is:

$a_n=3a_{n-1}-5a_{n-2}-4a_{n-3}$

and

$a_4=-7, a_5=-36, a_6=-85$

1. Subsittute n = 6 into the equation:

$a_6=3a_{5}-5a_{4}-4a_{3}$

Now subsititute the known values:

$-85=3(-36)-5(-7)-4a_{3}$

You can solve for $a_3$

$-85=-108+35-4a_{3}\\\\4a_3=12\\\\a_3=12/4\\\\a_3=3$

2. Substitute n = 5 into the equation:

$a_5=3a_{4}-5a_{3}-4a_{2}$

Substitute the known values and solve for $a_2$

$-36=3(-7)-5(3)-4a_{2}\\\\4a_2=-21-15+36=0\\\\a_2=0$

3. Substitute n = 4 into the equation, subsitute the known values and solve for $a_1$

$a_4=3a_{3}-5a_{2}-4a_{1}$

$-7=3(3)-5(0)-4a_{1}\\\\4a_1=9+7=16\\\\a_1=4$

7 0

2 years ago

which number does NOT represent a whole number. a. 25. b. 13. c. 150 over3. d. 6.2

nikitadnepr [17]

6.2 is not a whole number

150/3 = 50 = a whole number
25 and 13 are whole numbers.

6 0

2 years ago

The following sequence has first five terms as: -20, -17, -14, -11, -8, .......... Find an expression for the nth term of the se

Maslowich

Answer:

a(n) = -20 + 3(n - 1)

Step-by-step explanation:

a(n) = -20 + 3(n - 1)

4 0

2 years ago