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ElenaW [278]
3 years ago
9

I PROMISE BRAINIEST IF YOU HELP ME

Mathematics
1 answer:
Elan Coil [88]3 years ago
8 0

Answer:

The associative property

Step-by-step explanation:

:/ wait its u again lol

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I need to check my work but I’m not sure if it’s right
mr Goodwill [35]

The equation is as read; 17.2 + 12.9 should equal 30.1.

Just add [looks like you subtracted instead] straight down getting 301 then moving the decimal down too.

7 0
3 years ago
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10PTS<br> pls help me on this math problem and pls explain how you did it.
erastovalidia [21]

Answer:

  y = 8

Step-by-step explanation:

Line1 with points (4, 1) and (0, 0):

  slope = (y₂ - y₁) / (x₂ - x₁)

            = (0 - 1) / (0 - 4)

            = 1/4

Perpendicular line is opposite inverse so original slope 1/4 becomes -4/1 or simply -4.

Line2 with points (1, 0) and (-1, y):

  slope = (y₂ - y₁) / (x₂ - x₁)

            = (y - 0) / (-1 - 1)

            = y / -2

y must equal to 8 for the slope to be -4 as stated above.

4 0
3 years ago
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Luisa is avid Horseback riding. This year, she purchased a new Safety riding helmet for $125 and continues taking lessons at $20
Bumek [7]

Answer:

$125+$20l<$800

Step-by-step explanation:

Money for helmet plus 20 dollars per lesson (l) has to be less than (<) 800 dollars

3 0
3 years ago
HELP PLEASE:
saw5 [17]
For this case we have the following scenario:

 Carlos enrolled in a gym to play sports. Carlos pays a fee for the registration and must pay 1 dollar for each day he trains in the gym. Write an equation that models the problem.

 The equation that models the problem is:
 y = x + 1.
 The slope of the line is 1 and represents the payment of 1 dollar for each day trained.
 The intersection with the y axis is 1 and represents the payment of 1 dollar for the initial inscription.
4 0
3 years ago
Find the slope of the line 2y=42-6x
Dovator [93]
2y = -6x + 42.....in y = mx + b form, the m stands for the slope
y = -6/2x + 42/2....reduce
y = -3x + 21.....so the slope is -3
4 0
3 years ago
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