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Lorico [155]
3 years ago
6

What is an equation of the line containing the points (-1,5) and (3,9)​

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
3 0

Answer:

  y = x+6

Step-by-step explanation:

You can find an equation by using the 2-point form of the equation for a line:

  y = (y2 -y1)/(x2 -x1)·(x -x1) +y1

Filling in the given values, we have ...

  y = (9 -5)/(3 -(-1))·(x -(-1)) +5

  y = (4/4)(x +1) +5 . . . . simplifying a bit

  y = x +6

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I need help finding the domain and range of this graph
SIZIF [17.4K]

Answer:

Step-by-step explanation:

Okay so to find the domain and range we need to find the x values and the y values: the domain is x and the range is y. Therefore the start of our x values can be concluded as -5 and the end is 5, so our domain will be -5 < x < 5: Note, I couldn't put the less than or equal to symbol. SO now our range is the values that are up and down, the range does down at 1 and the range is the highest at 3 so we can determine the range is 1 < y < 3. This is a continuous graph, so there is continuous x values and y values in this graph, so it's simple to use the start and the end of the domain and range followed by the possible y and x values which is represented by y and x.

Hope this helps. :)

8 0
3 years ago
Write a sentence that shows the commutative property of multiplication
NISA [10]
The commutative property of multiplication states that the order of multiplication of numbers does not matter.

Number Sentence:

2 * 3  =  3 * 2  =  6


7 0
3 years ago
The great Pyramid outside Cairo, Egypt, has a square base measuring 756 feet on a side and a height of 480ft
Vlada [557]

Answer:

V = 3,386,880 cubic yards

V = 91445760 cubic feet

V = (1/3) · b2 · h  so  1/3  x 756^2 x 480 = 91445760 ft^3

Answer = 91445760 ft^3

Step-by-step explanation:

converting feet into yards

let  

1 yard = 3 ft  

1 ft = (1/3) yard  

a = 756 ft = 756*(1/3) yards the length of the side of the square base

h = 480 ft = 480*(1/3) yards the height of the pyramid

 

a.) the volume of the pyramid V = (a^2*h)/3 = (a^2*h)(1/3)

V = (756*(1/3))^2*480*(1/3)*(1/3)

V = 3,386,880 cubic yards

7 0
2 years ago
PLEASE ANSWERR CORRECTLY!!!!!!!!
kogti [31]

Answer:

B)  $1..50

Step-by-step explanation:

First, how many trading cards did Naveen have?

87 + 9 - 16 + 3 = 83

$124.50 / 83  = $1.50

4 0
3 years ago
Read 2 more answers
Solve for x in the diagram below
babymother [125]

Answer:

6

Step-by-step explanation:

By the exterior angle theorem,

(4x - 4) + 40 = 60

4x - 4 = 20

4x = 24

x = 6

5 0
2 years ago
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