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oksano4ka [1.4K]
3 years ago
8

Describe the steps you would use to solve the following inequality x +1/2x-3>2

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
8 0

For this case we have the following inequality:

x + \frac {1} {2} x-3> 2

We add similar terms on the left side of the inequality:

\frac {2 + 1} {2} x-3> 2\\\frac {3} {2} x-3> 2

We add 3 to both sides of the inequality:

\frac {3} {2} x> 2 + 3\\\frac {3} {2} x> 5

We multiply by 2 on both sides:

3x> 5 * 2\\3x> 10

We divide between 3 on both sides:

x> \frac {10} {3}

The solutions are given by all values of x greater than \frac {10} {3}

Answer:

x> \frac {10} {3}

JulijaS [17]3 years ago
6 0

Answer:

Rewrite the inequality so there is a single rational expression on one side, and 0 on the other.

Combine under a common denominator.

Test points in the critical regions.

Construct the solution.

Step-by-step explanation:

its what edg said

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Answer:

n + 4 - 9 - 5n

5 0
4 years ago
A shop sells pairs of trainers for £52 each. They make a percentage profit of 30% on each pair. What was the cost of each pair o
Sphinxa [80]

Answer:

£15.6

Step-by-step explanation:

Method 1:

You are trying to find 30% of £52.

Therefore:

\frac{30}{100}  * 52 = \frac{30 * 52}{100}

If you solve this you will find that 30 × 52 = 1560, and 1560 ÷ 100 = £15.6.

So, the answer is £15.6.

Method 2:

You can solve 30% of £52 by using an algebra equation.

By using the rule that to convert a percentage to a decimal you divide by 100, you can change 30% to be 0.3.

Now, in order to write the equation, you will have to include 0.3 and 52.

The equation is:

0.3 * 52 = x

Once you multiply, you will find that the answer is £15.6.

I hope I helped!

3 0
3 years ago
Write the equation of the line which passes through (2, –1) and is perpendicular to the line with equation 5y – x = 1.
Furkat [3]
Solve 5y - x = 1 for y such that y = mx + b so we can extract the slope.
y = 1/5x + 1/5
Perpendicular lines have opposite signed reciprocal slopes.
1/5 would have an opposite signed (-) reciprocal (5) slope of -5

Now let's find b by substituting the values of y, m, and x into y = mx + b:
-1 = -5(2) + b
-1 = -10 + b
9 = b
So the equation is y = -5x + 9 or 5x + y = 9
4 0
3 years ago
1. Samulel used 7/4 cups of dry oatmeal to make 4 servings. What proportion could be used to calculate the amount of dry oatmeal
labwork [276]
(7/4) / 4 = x / 3 or 4 / (7/4) = 3 / x
=======================
6(8-7) + 3 = 3 + 6(8-7)....commutative property
3 0
3 years ago
What is 0.235 in expanded form
Ipatiy [6.2K]
Standard Form:
0.235


Expanded Notation Form:

0
+ 0.2
+0.03
+0.005


Expanded Factors Form:
0 * 1
+ 2 *     0.1
+ 3 *      0.01
+ 5 *      0.001

Expanded Exponential Form:
0 * 10^0
+ 2 * 10^-1
+ 3 * 10^-2
+ 5 *  10^-3


Word Form: 
Two hundred thirty - five thousandths


Hope that helps!!!
7 0
3 years ago
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