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Ilia_Sergeevich [38]
3 years ago
6

Firsts get brainiest llllllllllllll image below vvvvvvv

SAT
1 answer:
frutty [35]3 years ago
8 0

Answer:

-0.8x + 4.8y + 16

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Explanation:

<u>Step 1: Define Expression</u>

4(0.5x + 2.5y - 0.7x - 1.3y + 4)

<u>Step 2: Simplify</u>

  1. Combine like terms (x):                    4(-0.2x + 2.5y - 1.3y + 4)
  2. Combine like terms (y):                    4(-0.2x + 1.2y + 4)
  3. Distribute 4:                                      -0.8x + 4.8y + 16
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The answer on this one is 0.172 (rounded)

Explanation:

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Answer:

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3 years ago
Rewrite the equation from step 1 substituting in the value of.
Masteriza [31]

By rewriting the equation from step 1 substituting the value of k into it, the value of x is 22.5

A direct variation is a type of variation that has two types of variables in which a variable can be expressed in terms of the other with its constant.

For example;

If  x varies directly as y

<h3>Step 1:</h3>

Then

  • x \sim y
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<h3>Step 2:</h3>

The original question says:

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∴

x = ky    

9 = k × (6)

k = 9/6

k = 1.5

<h3>Step 3:</h3>

Now, we can rewrite the equation from step 1 substituting the value of k into it:

∴

x = ky

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The value of (x) will be:

x = 1.5 (15)

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Learn more about Direct variation here:

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2 years ago
The best snap judgments come from people whose decisions are based on __________.
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The best snap judgments come from people whose decisions are based on impulsive decisions.

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This refers to the impulsive decisions that a person makes and sometimes they are also made when ample information is available to them.

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Salsk061 [2.6K]

Answer: ok

Explanation:

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