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Paul [167]
3 years ago
6

how do you get the answer to y=2x-3? It has to with line graphs and I am completely lost! If anyone can take me through it step

by step I would be very grateful! I will give you a lot of points as well!
Mathematics
2 answers:
insens350 [35]3 years ago
8 0
I need to see the worksheet first in order to answer and to do it  step by step
Lerok [7]3 years ago
3 0
You know that -3 is the Y intercept(vertical graph line) and then continue 2/1 every x value that is plugged in.
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A giant tortoise can walk about 1/10 meters per second on land. A cooter turtle can walk about 1/2 meter per second on land. How
timurjin [86]
(1/10) / 1 = 3 / x.....1/10 m to 1 second = 3 m to x seconds
cross multiply
(1/10)(x) = (3)(1)
1/10x = 3
x = 3 / (1/10)
x = 3 * 10/1
x = 30 seconds <====
7 0
3 years ago
The isosceles triangles below are similar.
ohaa [14]

Answer: a) 2:1. b) 3. c) Perimeter of ΔEFG=36 Perimeter of ΔHIJ=18. d) 2:1

Step-by-step explanation:

a) Find the ratio of GF and JI. 16:8. Simplify by dividing both by 8 to get 2:1.

b) Set up this equation: 6/16=x/8. Cross-multiply. 6*8=48. Divide by 16. 48/16=3.

c) First find the length of one half of GF by dividing 16 by 2. 16/2=8. Set up the Pythagorean theorem. 8^2+6^2=c^2. Square 8 and 6. 64+36=c^2. Add 64 and 36. 100=c^2. Find the square root of 100. c=10.

EF and EG both measure 10 since they are shown to be congruent. 10+10+16=36.

Next find the length of one half of JI by dividing 8 by 2. 8/2=4. Set up the Pythagorean theorem. Since we know x=3, it will be 4^2+3^2=c^2. Square both 4 and 3. 16+9=c^2. Add 16 and 9. 25=c^2. Find the square root of 25. c=5.

HJ and HI both measure 5 since they are congruent. 5+5+8=18.

d) Find the ratio of the perimeters of ΔEFG and ΔHIJ. 36:18. Simplify by dividing both by 6 to get 6:3. Simplify further by dividing both by 3 to get 2:1.

4 0
3 years ago
Pls help me with this multiple choice !
s2008m [1.1K]

Answer:

B. x = 14, y = 14

Step-by-step explanation:

Look up "45 45 90 triangle" to see rules that are consistent between all triangles like this.

3 0
3 years ago
_______________________<br> can someone help me solve this question? Thank you.
Zinaida [17]

Answer:

-60

Step-by-step explanation:

Factor the problem out using FOIL.

The end result is: −60x^{2}−84x+9

The value of coefficent a (the number in front of the x^2) is -60.

8 0
3 years ago
What is the value of x when solving the equation Negative 2 x + (negative 8) = 2 x + 8 using algebra tiles?
ella [17]

Answer:

The Answer is A.) -4

Step-by-step explanation:

3 0
3 years ago
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