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3 years ago

Write a real-world problem that could be represented by the inequality. 3x + 6 > 27

Mathematics

1 answer:

Ilya [14]3 years ago

6 0

Answer:

1.The sum of thrice a certain number and six is greater than twenty seven.

2. Three times a certain number added to six the result is greater than twenty seven.

Step-by-step explanation:

The inequality whose word problem to be written is 3x + 6 > 27

Let x be a certain number.

So, we can write the following as the word problem of the inequality :

1.The sum of thrice a certain number and six is greater than twenty seven.

2. Three times a certain number added to six the result is greater than twenty seven.

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How high is a tree that cast a 33ft shadow at the same time a9ft post casts a shadow w

AlladinOne [14]

How high is a tree that casts a 33 ft shadow at the same time a 5 ft pole casts a shadow which is 12 ft long?
let x=height of the tree
x/33=5/12
x=5*33/12
x=13.75

4 0

3 years ago

The length of the sides of a square measure 2x-5. The length of a rectangle measures 2x, and the width measures x + 2. For what

vladimir1956 [14]

Answer:

$x = 12$

Step-by-step explanation:

Perimeter of a square:

The perimeter of a square of side x is given by:

$P_s = 4x$

Perimeter of a rectangle:

The perimeter of a rectangle of length l and width w is given by:

$P_r = 2(l + w)$

The length of the sides of a square measure 2x-5.

This means that the perimeter of the square is:

$P_s = 4(2x - 5) = 8x - 20$

The length of a rectangle measures 2x, and the width measures x + 2.

This means that the perimeter of the rectangle is:

$P_r = 2(2x + x + 2) = 2(3x + 2) = 6x + 4$

For what value of x is the perimeter of the square the same as the perimeter of the rectangle?

This is x for which:

$P_s = P_r$

$8x - 20 = 6x + 4$

$8x - 6x = 20 + 4$

$2x = 24$

$x = \frac{24}{2}$

$x = 12$

3 0

3 years ago

An isosceles trapezoid has a perimeter of 108 metres. Its shorter base measures 11.5 metres and its longer base measures 28.1 me

kati45 [8]

The length of one of the remaining sides is 34.20 meters.

<h3>What is the length?</h3>

A trapezoid is a convex quadrilateral. A trapezoid has at least on pair of parallel sides. the parallel sides are called bases while the non parallel sides are called legs

Perimeter of an isosceles trapezoid = sum of lengths of sides of a trapezoid

length of shorter base + length of longer base + (2 x legs)

108 = 11.5 + 28.1 + (2 x legs)

108 = 39.60 + (2 x legs)

108 - 39.60 = (2 x legs)

68.40 = (2 x legs)

leg = 68.40 / 2

= 34.20 meters

To learn more about trapezoids, please check: brainly.com/question/25748893

#SPJ1

5 0

2 years ago