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Taya2010 [7]
3 years ago
9

(9c – 8d) + (2c – 6) + (–d + 3)

Mathematics
1 answer:
Minchanka [31]3 years ago
4 0

Answer:

11c-9d-3

Step-by-step explanation:

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The line has a slope of 0. It is a horizontal line, where y=-5.5.

Slope is calculated by finding the change in y and placing it over the change in x. For example, two coordinates with a change in y of -3 and a change in x of 2 would be written as -3/2.

In these coordinates, the change in y is 0, and since zero over anything is equal to zero, the slope is zero.

Hope this helped!

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TION 3<br>(x-7)(x - 5) = 3<br>(r-5)​
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Step-by-step explanation:

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3 years ago
Solve 2x + 5y = 20; 3x - 10y = 37 by elimination. How do you do this? Thank-you!
mr Goodwill [35]

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6 0
3 years ago
A store sells ½ pound of beef for $0.70. If you are having a party and need 6 pounds of beef for hamburgers, using the unit rate
RideAnS [48]

Answer:

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Step-by-step explanation:

A store sells ½ pound of beef for $0.70

We find the unit rate

1/2 pound = $0.70

1 pound =

We cross Multiply

1/2 × x = 1× 0.70

x = 0.70 ÷ 1/2

x = 0.70 × 2/1

x = $1.40

The unit rate for 1 pound of beef is $1.40

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Hence, the cost for 6 pounds of beef is:

1 pound = $1.40

6 pounds = y

y = 6 × $1.40

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6 pounds of beef for hamburgers would cost $8.40

3 0
3 years ago
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