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Kay [80]
2 years ago
6

How do I solve and graph this inequality?-x + 4 < 2(x - 8)

Mathematics
1 answer:
sasho [114]2 years ago
8 0

The solution to the inequality is x > 20/3. The graph of the inequality is attached below.

We are given an inequality. We need to solve the inequality and also plot it on the graph. The inequality is : -x + 4 < 2(x - 8). First of all, we will solve the brackets. The inequality becomes : -x + 4 < 2x - 16. Now, we will separate the variable and the constants on opposite sides of the inequality. The inequality is simplified as : 16 + 4 < 2x + x. Now, we need to combine the like terms. The modified inequality is : 3x > 20. Now, divide both sides of the inequality by 3. The solution is x > 20/3.

To learn more about inequalities, visit :

brainly.com/question/28823603

#SPJ9

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Solve the following formula for the indicated variable.<br> – 5x – 3y = 13: solve for y.
SashulF [63]

9514 1404 393

Answer:

  y = -5/3x -13/3

Step-by-step explanation:

In any "solve for ..." problem, it is useful to start by identifying where the target is and what has been done to it. Here, y is in one term on the left side of the equation and it has had these things done to it:

  • multiply by -3
  • add -5x

We want to undo these in reverse order. We undo addition by adding the opposite. We undo multiplication by multiplying by the reciprocal (equivalently, dividing). <em>Whatever we do to one side of the equation, we must also do to the other side</em>.

So, first we add the opposite of -5x to both sides of the equation.

  -5x +5x -3y = 13 +5x

  -3y = 13 +5x . . . . . . . . . collect terms

Next, we undo the multiplication by -3. We can do that by multiplying both sides by 1/(-3) = -1/3.

  (-1/3)(-3y) = (-1/3)(13 +5x)

  y = -5/3x -13/3 . . . . . also we rearranged the terms to standard form

3 0
3 years ago
HELP!! ⚠️ In the diagram below, the two vertical segments are parallel. What is the total number of degrees in angles a, b, c, d
hodyreva [135]

Answer:

360°

Step-by-step explanation:

According to the properties of parallel lines, the following deductions can be made:

<a and <c are exterior angles of same side, therefore they are supplementary.

Thus,

m<a + m<c = 180°

<b and <d, are alternate interior angles, therefore, they are supplementary.

Thus, m<b + m<d = 180°.

The total numbers of degrees of a, b, c, d will all sum up to give 360°.

6 0
3 years ago
Find the surface area of prism
SCORPION-xisa [38]

Answer:

hope it helps mark me brill

Step-by-step explanation:

The general formula for the total surface area of a right prism is T. S. A. =ph+2B where p represents the perimeter of the base, h the height of the prism and B the area of the base.

4 0
3 years ago
Can someone help me with number nineteen
garik1379 [7]

Answer:  \frac{15}{52}, Less

<u>Step-by-step-explanation:</u>

This year: \frac{Day 4}{Day 1 + Day 2 + Day 3 + Day 4} = \frac{15}{13+12+12+15} = \frac{15}{52}

Last year: \frac{Day 4}{Day 1 + Day 2 + Day 3 + Day 4} = \frac{15}{10+8+10+12} = \frac{12}{40}  = \frac{3}{10}

Compare this year's with last years by converting the fractions to decimals:

This year: \frac{15}{52} = 0.288

Last year: \frac{3}{10} = 0.300

This year (0.288) is less than last year (0.300)


8 0
3 years ago
How do I solve go find x and y in algebraic form ?
Orlov [11]

(x - 10) + (x - 11) + ( 3x + 6) = 180

5x -15 = 180

5x = 195

x  = 39

y = 3x + 6

y = 3(39) + 6

y = 117 + 6

y = 123°

3 0
4 years ago
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