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Bogdan [553]
3 years ago
8

7.

Mathematics
1 answer:
Amanda [17]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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Write an expression for the perimeter of the triangle shown below: (4 points)
mario62 [17]

Answer:

The expression of the perimeter of the triangle is 0.1x - 16 ⇒ C

Step-by-step explanation:

<em>The perimeter of a triangle is the sum of the lengths of its sides</em>

Let us solve the problem

∵ The lengths of the sides of a triangle are:

  • 0.5x + 9
  • 3x
  • -3.4x - 25

∵ The perimeter of the triangle = sum of lengths of its sides

∴ The perimeter = (0.5x + 9) + (3x) + (-3.4x - 25)

→ Add the like terms

∵ The perimeter = (0.5x + 3x - 3.4x) + (9 + -25)

→ Remember (+)(-) = (-)

∴ The perimeter = (3.5x - 3.4x) + (9 - 25)

∴ The perimeter = 0.1x + -16

∴ The perimeter = 0.1x - 16

The expression of the perimeter of the triangle is 0.1x - 16

7 0
3 years ago
Nine students made models of mars and its moons. The answer is 18. What’s the question?
VashaNatasha [74]

The answer would be "Nine students each make 2 models of Mars and its moons. How many models did they make in total?" Since the answer is 18 and there are 9 students (and also since 18 can be divided into 9), you can divide 18 and 9 to get 2. This makes sense because if each student makes 2 models (as stated), there'd be a total of 18 models (as stated in the question you gave). Hope this helped!


4 0
3 years ago
8:2 in its simplest form
VMariaS [17]

Answer:

4:1

Step-by-step explanation:

just divide by 2

4 0
3 years ago
3 1/2-2/3 help plz its fraction and Idgaf to understand xd
Hatshy [7]

Answer:

2 5/6

Step-by-step explanation:

WE CHANGE 3 1/2 INTO IMPROPER FRACTION WHICH IS 7/2

7/2-2/3=2 5/6

8 0
3 years ago
Read 2 more answers
An animal shelter takes in an average of 5 animals per day. The shelter must keep its total occupancy below 300. Currently, the
Akimi4 [234]

Answer:

B. x<27

Step-by-step explanation:

300-165=135

135/5=27

8 0
3 years ago
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