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bekas [8.4K]
3 years ago
5

4 less than 2 times the number x

Mathematics
2 answers:
Ulleksa [173]3 years ago
6 0

Answer:

2x-4

Step-by-step explanation:

1) Since it says 2 times the number x, it is 2x

2) Then, it says 4 less than 28

3) The equation/answer would be 2x-4

gladu [14]3 years ago
5 0

Answer:

The answer is 2x-4

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The coordinate plane shows the floor plan for a swimming pool. What is the area of the pool's border?
LekaFEV [45]

Answer:

  border area: 100 m²

Step-by-step explanation:

The area of the pool border will be the overall area of the pool and boder, less the area of the pool. The area of each rectangle is the product of its length and width. The length and width of each can be found using the Pythagorean theorem.

__

<h3>Pythagorean Triple</h3>

The triple (3, 4, 5) is called a Pythagorean triple, because ...

  3² +4² = 5²

That is, a triangle with sides of lengths 3, 4, and 5 will be a right triangle with a hypotenuse of length 5.

__

<h3>Application to Pool/Border Dimensions</h3>

We notice that the sides of the rectangles in the figure have a rise/run of ±3/4 or ±4/3. In each case, the side of the rectangle is the hypotenuse of a triangle with dimensions a multiple of 3 or 4 meters. Hence the hypotenuse (rectangle side length) is the corresponding multiple of 5 meters. The attachment illustrates this point, showing a triangle with sides that are (6, 8, 10), 2 times the basic triple.

The pool is 5 m by 10 m, for an area of ...

  A = LW = (10 m)(5 m) = 50 m²

The overall area is 10 m by 15 m, for an area of ...

  A = (15 m)(10 m) = 150 m²

__

<h3>Border Area</h3>

The pool's border is the difference between the overall area and the pool area:

  150 m² -50 m² = 100 m² . . . . area of pool's border

7 0
2 years ago
A father is 60 years old and his son is half his age. How old was the boy when his father was four times his age?
Archy [21]
He would be 120 yrs old because 60 times 4 is 240 and the son is half of his age so 240 divided by 2 is 120 hope this helped
5 0
3 years ago
Read 2 more answers
PLEase Help ME In This Work!!
tigry1 [53]

Answer:

y=2x

Step-by-step explanation:

it is a proportional relationship and the slope is 2

8 0
3 years ago
5. The parts that are added or subtracted in an algebraic<br> expression are called?
vichka [17]

Answer:

They are known as terms in algebraic expression

Step-by-step explanation:

3 0
3 years ago
How I can answer this question, NO LINKS, if you answer correctly I will give u brainliest!
attashe74 [19]

Answer

B

Reson

Total = 21

21/7 = 3

2 x 3 = 6

Only punkin plants so

it's B.

6 0
2 years ago
Read 2 more answers
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