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emmasim [6.3K]
2 years ago
11

How to simply ((4/x)-2)/((1/x)+3)

Mathematics
1 answer:
Galina-37 [17]2 years ago
8 0

\cfrac{~~ \frac{4}{x}-2~~}{\frac{1}{x}+3}\implies \cfrac{~~ \frac{4-2x}{\underset{\textit{using this LCD}}{x}}~~}{\frac{1 + 3x}{\underset{\textit{using this LCD}}{x}}}\implies \cfrac{4-2x}{~~\begin{matrix} x \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }\cdot \cfrac{~~\begin{matrix} x \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }{1+3x}\implies \cfrac{2(2-x)}{1+3x}

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jamerra received a $3000 car loan .she plans on paying off the loan in 2 years ,jammerra will have paid $450 in interest .what i
tensa zangetsu [6.8K]
<span>Jammera received a $3000 car loan.
She’ll be paying this for 2 years with an interest of 450 dollars.
Let’s find out the interest rate that was charge to Jammera’s car loan.
=> 3 000 dollars * 0.5 = 1500, thus, we’re sure that the interest rate is less than 50%
=> Let’s try 25%
=> 3000 * .25 = 750 (interest rate is also less than 25%)
=> Let’s try 15%
=> 3000 x .15
=> 450 dollars
Thus, the interest rate is 15% for 2 years.</span>



5 0
3 years ago
For the following list of data, calculate (a) the mean, (b) the median, and (c) the mode or modes (if any) 1.8, 5, 6.3, 8 ,8, 4.
disa [49]

Answer:

(a) The mean is:

The sum of the values: 1.8 + 5 + 6.3 + 8 + 8 + 4.8 + 2.8 + 4.8 = 41.5

The sum divided by the number of values: 41.5 ÷ 8 = 5.1875

(b) The median is:

The values in numerical order: 1.8, 2.8, 4.8, 4.8, 5, 6.3, 8, 8

The mean of the two middle values: (4.8 + 5) ÷ 2 = 4.9

(c) The mode is:

The values in numerical order: 1.8, 2.8, 4.8, 4.8, 5, 6.3, 8, 8

The values that repeat most often: 4.8, 8 (both appear twice)

7 0
3 years ago
Point B is between A and C on AC use the given information to write an equation in terms of X . Solve the equation. Then find AB
Mars2501 [29]

Answer:

26

Step-by-step explanation:

3 0
3 years ago
An advertisement reads all books 28 percent off a best-selling novel is originally priced at $18.99. About how much money will G
o-na [289]

28% of 18.99 is 5.2172


Because 18.99 * 0.28 = 5.2172 which can be rounded to 5.22


So Gio would save about $5.22.

3 0
3 years ago
Read 2 more answers
Bethan, Jack and Ruben collect marbles. Bethan has 4 more marbles than Jack. Ruben has 1 less marble than Bethan. Altogether the
Crank

Answer:

Bethan = 34

Jack = 30

Ruben = 33

7 0
3 years ago
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