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Andreas93 [3]
2 years ago
5

What are the answers for these questions 1,2,&3

Mathematics
1 answer:
ValentinkaMS [17]2 years ago
6 0
1fyjoite yuuic hyrsd hui
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Rainbow [258]
It would be 400+700h=1800
5 0
3 years ago
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A rectangle with sides measuring x in. and 4x-1 in. has an area of 663in.^2. What are the dimensions of the rectangle?
serious [3.7K]

9514 1404 393

Answer:

  13 in by 51 in

Step-by-step explanation:

The area is the product of the dimensions, so is ...

  663 = x(4x -1)

  4x^2 -x -663 = 0 . . . . . . subtract 663 to put in standard form

Using the quadratic formula, we can find the solutions.

  x = (-(-1) ±√((-1)^2 -4(4)(-663)))/(2(4))

  x = (1 ± √10609)/8 = (1 ±103)/8

Only the positive solution is of any use in this problem, so ...

  x = 104/8 = 13

  4x-1 = 4(13)-1 = 51

The dimensions of the rectangle are 13 inches by 51 inches.

__

I find it easiest to solve these using a graphing calculator.

8 0
3 years ago
What does .30 meters equal to
Maslowich
30 CM
0.984252 FT
300.0000096 MM
3 0
3 years ago
A No solution
malfutka [58]
One solution I beleve
8 0
2 years ago
Read 2 more answers
Hamid has gained weight. He now weights 88kg, which is 10% higher than his normal weight. What is Hamids normal weight
zubka84 [21]

Let his normal weight = 100%

He is 10% more so he is 110%

Divide his weight now by 110% to find his normal weight.

88/1.1 = 80

His normal weight is 80 kg

3 0
3 years ago
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