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Lubov Fominskaja [6]
3 years ago
11

The area of a rectangle is 259 cm2 and its lenght is 18.5 cm find

Mathematics
1 answer:
crimeas [40]3 years ago
7 0

The breadth of rectangle is 14 cm

The perimeter of rectangle is 65 cm

<em><u>Solution:</u></em>

Given that,

Area of rectangle = 259 square centimeter

Length of rectangle = 18.5 cm

<em><u>The area of rectangle is given by formula:</u></em>

Area\ of\ rectangle = length \times breadth

<h3><u>Find the breadth:</u></h3>

Substitute the given values in above formula:

259 = 18.5 \times breadth\\\\breadth = \frac{259}{18.5}\\\\breadth = 14

Thus breadth is 14 cm

<h3><u>Find the perimeter:</u></h3>

The perimeter of rectangle is given by formula:

Perimeter = 2(length + breadth)

Substitute the given values in above formula:

perimeter = 2(18.5+14)\\\\perimeter = 2(32.5)\\\\perimeter = 65

Thus perimeter of rectangle is 65 cm

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URGENT!!!!!
Anna11 [10]

h=20w

in one week hector works 20 hours

in two hector works 40 etc


h = hours and w = weeks. the money is just extra information.

h=20w works because if it has been two weeks we substitute the w with the number 2 and can solve

h=20(2)

h=20x2

h=40

This proves that the equation is true

7 0
3 years ago
Donald has a bunch of nickels and dimes in his piggy bank. There are 100 coins in the bank that make a total of $6.60 in change.
brilliants [131]

Answer:

78 nickels and 22 dimes

Step-by-step explanation:

Nickels = n, Dimes = d

<u>Number of coins = 100</u>

  • n + d = 100

<u>Total sum in the piggy bank = $6.60 </u>

  • 5n + 10d = 660

<u>Consider the first equation in the second:</u>

  • 5(100 -d) + 10d = 660
  • 500 - 5d + 10d = 660
  • 5d = 110
  • d = 110/5
  • d = 22
  • n = 100 - 22
  • n = 78

<u>Answer:</u> nickels 78 and dimes 22

8 0
3 years ago
Read 2 more answers
the thickness of a cd is about 1/20 inch. if carrie has a stack of 52 cds,what is the height of the stack
SVETLANKA909090 [29]
The answer would be 26 because you're multiplying .5 times 52
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13.
svetlana [45]
The answer is 2,596 so it would be C

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3 years ago
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Which of the following is the correct way to write seventy million as a numeral?
Inessa05 [86]
Which of the following is the correct way to write seventy million as a numeral?

As I see no choices the right way to write seventy million as a numeral is

70,000,000

Hope I helped!
3 0
3 years ago
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