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soldier1979 [14.2K]
3 years ago
6

I-Ready | Construction of Triangles | Practice - Level G | Question 2

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
5 0
B. Is correct I think. Hope this helped you
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Help me with this if anyone can! Please and thank you
Valentin [98]

ANSWER

y = 3x - 3

EXPLANATION

Let

y = mx + c

be the equation.

We can choose any two ordered pairs to determine the equation of the relation.

(6,15) \: and \:  (8,21)

We find m using the formula;

m =  \frac{y_2-y_1}{x_2-x_1}

m =  \frac{21 - 15}{8 - 6}  =  \frac{6}{2}  = 3

The equation becomes

y = 3x + c

When x=6, y=15.

This implies that,

15 = 3(6) + c

15= 18 + c

15 - 18= c

c =  -3

The equation of the relation is therefore,

y = 3x -3

3 0
3 years ago
Solve −5+1/4x=3x+6 by graphing.
erma4kov [3.2K]

Answer:

hope its right lol

5 0
3 years ago
Alana ate breakfast at a restaurant. The bill came to $79.75. If she left 20% tip, how much was the tip?
Lana71 [14]
$79.75*0.2= 15.95
$79.75-15.95= $63.80
63.80+15.95= $79.75

Answer= $15.95
3 0
2 years ago
The relationship between the cost, y, in dollars, and the feet of steel beam, x, bought can be modeled by the proportional equat
lara [203]

Answer:

The relationship is

y = 12x

5 0
3 years ago
What value of x makes this equation true?<br> 5-2(x + 8) = 6x + 7
zhuklara [117]

Answer:

x = negative 9/4

Step-by-step explanation:

-2x-11=6x+7

-2x-11+11=6x+7+11

-2x=6x+18

-2x-6x=6x+18-6x

-8x=18

4 0
2 years ago
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