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nlexa [21]
3 years ago
12

On a piece of paper, show how to find the slope between these two points: (-1,5) and (3,13). Show all of your work and simplify

your answer.
Mathematics
1 answer:
dybincka [34]3 years ago
6 0
Use the formula m = y2 - y1
————
x2 - x1
(-1 is x1, 5 is y1) (3 is x2, 13 is y2)
13 - 5 8
——— = — = 2
3 - (-1) 4

2 is the slope
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Find the area and perimeter.<br> The area is ... and the perimeter is ...
Schach [20]

Answer:

Area: 6a^2

Perimeter: 12a^2

Step-by-step explanation:

To find the area of a triangle, use the formula A=1/2 b*h. The base is 3a^2 and the height is 4a^2.

A= 1/2 (3a^2)(4a^2)

A = 1/2 (12a^4)

A = 6a^4

To find the perimeter of the triangle, add each of the sides of the triangle. The third side, the hypotenuse, can be found using Pythagorean theorem.

a^2+b^2=c^2\\(3a^2)^2+(4a^2)^2 = c^2\\(9a^4)+(16a^4)=c^2\\25a^4=c^2\\5a^2=c

Now add each of the sides: 3a^2 + 4a^2 +5a^2 = 12a^2

7 0
3 years ago
the price of a board game was reduced from $40 to $25. by what percentage was the price of the board game reduced?
Neporo4naja [7]
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7 0
3 years ago
Dividing monomials please help and quick!!​
Snezhnost [94]

Answer:

answer is of left to right

16x^14/(36x^2)=4x^12/9

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7 0
3 years ago
How is 2y(z(z+5)+10) gotten from 2yz^2 +10yz +20y ? Please help!!!
Harrizon [31]

Answer:

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6 0
3 years ago
Factor the expression 20k + 50
Yuliya22 [10]
Answer is 10(2k+5)

-----------------------------------

Work Shown:

20k+50 = 10*2k + 10*5
20k+50 = 10(2k+5)

Note how we can distribute the 10 back in to check our work
10(2k+5) = 10(2k)+10(5) = 20k+50
so that confirms we have the right answer

Another thing to notice is that 10 is the largest factor that we can pull out of 20k and 50. The value 10 is the GCF (greatest common factor) of 20 and 50.
4 0
3 years ago
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