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natka813 [3]
3 years ago
11

Decide if the following is a true or false statement - explain how you

Mathematics
1 answer:
NARA [144]3 years ago
6 0

Answer:

true

Step-by-step explanation:

(-3) -(-4.25) = -3 + 4.25 = 1.25 (positive)

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Consider the sequence of steps to solve the equation: 3(x − 4) + 5x = 9x − 36 Given ⇒ 3(x − 4) + 5x = 9x − 36 Step 1 ⇒ 3x − 12 +
7nadin3 [17]

In Step 6, the equation is ...

  -12 = x - 36

In step 7, the equation is ...

  -12 +36 = x -36 +36

Clearly, to get to step 7, 36 has been added to both sides of the equation.

Adding 36 to both sides of the equation is justified by ...

... C) Addition Property of Equality

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<em>More about the addition property of equality</em>

The addition property of equality says you can add the same value to both sides of an equation without changing the values of the variables that make the equation true. Here, x=24 makes the equation of step 6 true, and x=24 makes the equation of step 7 true.

7 0
3 years ago
The difference of two numbers is 3. their sum is 14. find the two numbers. (show work please)
Artemon [7]
Let's say the larger number is x. that means that the smaller number is x - 3. since you know their sum is x + x - 3, and that is equal to 14. so you have the equation x + x - 3 = 14. combine like terms (x) to get 2x - 3 = 14. add three to both sides to get 2x = 17. divide both sides by two to get x = 17/2. so the larger number is 17/2, and the larger number is 11/2 (17/2 - 3 = 11/2)
8 0
3 years ago
1. What are the roots of this equation? x2 + 4x + 8 = 0 A. –1 + i B. –4 +1 C. –2 + 21 D. -1 + 4​
Fynjy0 [20]

Answer:

5676656423

Step-by-step explanation:

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4 0
3 years ago
Determine la razón de la siguiente progresión geométrica: 81,27,9,3,1,....
worty [1.4K]

Answer:

BẠN BỊ ĐIÊN À

Step-by-step explanation:

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5 0
3 years ago
Pls I neeed help very hard
Fynjy0 [20]

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96 ft

Step-by-step explanation:

Well add the given numbers up and calculate unkown sides using given measurments

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