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3 years ago

0.4x - 5 = 0.08x + 3 srry I forgot the x

Mathematics

1 answer:

Semenov [28]3 years ago

4 0

Answer:

x= 25.

Step-by-step explanation:

To isolate "x", I first moved all terms containing x to the left side of the equation: 0.32x-5=3 (0.4-0.08=0.32). Then moved all terms not containing x to the right side of the equation: 0.32x=8. Finally, I divided 8 by 0.32 which equals 25. Thus, x=25. I hope this helped!

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Answer:

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Step-by-step explanation:

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4 years ago

Find the distance between (-6, -5) and (2,0)

kotykmax [81]

Answer:

$\displaystyle d = \sqrt{89}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Point (-6, -5)

Point (2, 0)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Substitute [DF]: $\displaystyle d = \sqrt{(2+6)^2+(0+5)^2}$
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3 years ago

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4 years ago

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Paha777 [63]

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4 years ago

Elimination Method 2x-4y=12 -x+2y=-6

Readme [11.4K]

Answer:

The given system has INFINITE NUMBER OF SOLUTIONS.

Step-by-step explanation:

Here, the given system of equation is given as:

2 x - 4 y = 12 ... (1)

- x + 2 y = -6 ...... (2)

Now, to use the ELIMINATION METHOD we either need to cancel out x coefficients or the y coefficient.

Now, to cancel out the x- coefficient in both the equations:

Multiply equation (2) with 2 and add with (1), we get:

2 x - 2x + 4 y - 4 y = 12 - 12

or, 0 = 0

Hence, the given system has INFINITE NUMBER OF SOLUTIONS.

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4 years ago