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Eduardwww [97]
3 years ago
5

The length of a rectangle is 3 meters more than the width. The perimeter of the rectangle is 26 meters. If the width is b, which

equation represents the situation? How many solutions will this equation have?
Mathematics
2 answers:
Darya [45]3 years ago
4 0

Answer with Step-by-step explanation:

The length of a rectangle is 3 meters more than the width.

If the width is b.

⇒ Length=b+3

The perimeter of the rectangle is 26 meters.

Since, Perimeter=2(Length+width)

⇒ 2(b+3+b)=26

dividing both sides by 2

⇒ b+3+b=13

⇒ 2b=13-3

⇒ 2b=10

dividing both sides by 2

⇒ b=5

⇒ Width=5 meter

and Length=5+3=8 meter

  • which equation represents the situation: 2(b+3+b)=26
  • How many solutions will this equation have: Unique
Softa [21]3 years ago
3 0

Answer:

Thehe answer is 75

Step-by-step explanation:

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Omg help me please like I just can't right now <br><br> 2x-6y= -12 <br> x+2y=14
steposvetlana [31]

here,

2x-6y= -12

2(x-3y)= -12

x-3y = -6...........eq1

x+2y=14............eq2

we can subtract the above two given equations

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x - 3y =  - 6 \\ x + 2y = 14

___________

- 5y =  - 20

so,

y=4

now to find the value of x we have to substitute the value of y in any of the above two equations, I choose eq2

we get,

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A university has 29,970 students. In a random sample of 285 students, 19 speak three or more languages. Predict the number of st
hodyreva [135]
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