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3 years ago

Write the equation 5x + 4y = 10 so that y is a function of x.

Mathematics

2 answers:

Virty [35]3 years ago

8 0

5x + 4y = 10
- 5x - 5x
4y = -5x + 10
4 4
y = -1¹/₄x + 2¹/₂

The answer is D.

Lena [83]3 years ago

3 0

The general equation of the slope intercept form is y = mx + b. The first step is to subtract the whole equation by 5x. This leaves 4y on the left side. Then, divide the whole equation by 4, which results to option D. y= -5/4x + 5/2

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Read 2 more answers

How many atoms sodium would a 4 mole sample of Na3P have?

ioda

<h3>Answer:</h3>

2 × 10²⁴ atoms Na₃P

<h3>General Formulas and Concepts:</h3>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

Using Dimensional Analysis
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<h3>Step-by-step explanation:</h3>

<u>Step 1: Define</u>

4 mol Na₃P

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

<u /> $\displaystyle 4 \ mol \ Na_3P(\frac{6.022 \cdot 10^{23} \ atoms \ Na_3P}{1 \ mol \ Na_3P} )$ = 2.4088 × 10²⁴ atoms Na₃P

<u>Step 4: Check</u>

<em>We are given 1 sig fig. Follow sig fig rules and round.</em>

2.4088 × 10²⁴ atoms Na₃P ≈ 2 × 10²⁴ atoms Na₃P

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