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zmey [24]
3 years ago
12

The 3 question please with explained

Mathematics
1 answer:
victus00 [196]3 years ago
5 0

Answer:

Step-by-step explanation:

Rectangle:

length = l = 12 cm

Width = w = 0.8 cm

Use Pythagorean theorem to find the diagonal

Diagonal² =  l² + w²

                = 12² + 0.8²

                = 144 + 0.64

                = 144.64

Diagonal = √144.64 = 12.03 cm

Diagonal of square  = diagonal of rectangle

                               = 12.03 cm

To find the side of square again use Pythagorean theorem,

side² + side² = 12.03²

2 sides² = 144.64

  side² = 144.64/2

  side² = 72.32

 side = √72.32

Side = 8.50 cm

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6 times a number is 27 less than the square of that number. Find the positive solution.
Sergeu [11.5K]

Answer:

The positive integer is 9

Step-by-step explanation:

6 times a number is 27 less than the square of that number.

Let the number be x

These interpreted means 6 nultiplies by x is 27 less than the square of that number(x^2). F

6x= 27<x^2

0 = 27<-6x+x^2

Look for 2 numbers whose product is 27 and sum is -6

0 = 27<-9x+3x+x^2

0 = -9(3+x)+x(3+x)

0 = (x-9)(3+x)

x-9 = 0 3 + x =0

x= 9 -3 = x

The positive integer is 9

8 0
3 years ago
PLS HELP, LOOK AT THE PICTURE. ILL MARK BRAINLIEST IF ITS A REAL ANSWER !
ira [324]

Answer:

yes these are propotional

Step-by-step explanation:

1/20000=20000

2/45000= 22500

3/75000= 25000

4/110000= 27500

6 0
3 years ago
Addison's budget is shown in the
Minchanka [31]

Addison spends $1050 on rent.

Step-by-step explanation:

Given,

Addison's budget = $3500

Rent = 30%

Other = 15%

Savings = 30%

Groceries = 25%

Therefore,

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Rent=\frac{30}{100}*3500\\Rent=0.30*3500\\Rent=\$1050

Addison spends $1050 on rent.

Keywords: percentage, multiplication

Learn more about multiplication at:

  • brainly.com/question/10689103
  • brainly.com/question/10712420

#LearnwithBrainly

5 0
4 years ago
The cost of tuition at a 2 year school is $11,000 per academic year. Ming is eligible for $9,500 in financial aid to cover tuiti
goldenfox [79]

Answer:

$125

Step-by-step explanation:

11,000 - 9,500 = 1,500

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8 0
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