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Neko [114]
3 years ago
11

Rectangle L has a perimeter of 108 centimetres. Opposite sites of the rectangle have lengths of 27 cm each. what is its missing

side lenghts?
Mathematics
1 answer:
Ahat [919]3 years ago
4 0
The perimeter P of a rectangle of length L and width l is
P = 2L + 2l
Here you know P =108 and l=27. Thus you have the equation
108 = 2L + 2 \times 27 = 2L + 54
You simplify a bit by moving the 54 on the left side
54 = 2L
and you find L=27 cm.

Oh my, this is a square!
You might be interested in
Which inequality correctly compares Two-fifths, Six-sevenths, Five-eighths, and 1?
Ronch [10]

Answer:

<u>2/5 < 5/8 < 6/7 < 1 </u>

   <u>OR</u>    

<u>1 > 6/7 > 5/8 > 2/5</u>

Step-by-step explanation:

It is required to compare Two-fifths, Six-sevenths, Five-eighths, and 1

Two-fifths = 2/5

Six-sevenths = 6/7

Five-eighths = 5/8

So, the given numbers are: 2/5, 6/7, 5/8, and 1

We need to make the numbers in order from the least to the greatest or from the greatest to the least

The easy method is convert the rational numbers to decimal numbers

So,

2/5 = 0.4

6/7 ≈ 0.857

5/8 = 0.625

1 = 1

So, the numbers form the least to the greatest are:

0.4 , 0.625 , 0.857 , 1

So,

2/5 , 5/8 , 6/7 , 1

The inequality correctly compares the numbers are:

<u>2/5 < 5/8 < 6/7 < 1</u>

Or can be written from the greatest to the least as:

<u>1 > 6/7 > 5/8 > 2/5 </u>

6 0
3 years ago
Korey’s comic book store has been up and running for 4 years. Korey feels that his store has been successful and is considering
Inessa05 [86]
Year      Net Profit
1            <span>$14,250.00
2            $15,390.00
3            $16,621.20
4            $17,950.90</span>2

We need to get the increase of the net profit of the current year from the previous year.

Percentage increase = (Current year - Previous Year)/ Previous Year    * 100%

Year 2:  (15,390 - 14, 250) / 14,250   * 100% = 0.08 * 100% = 8%
Year 3: (16,621.20 - 15,390) / 15,390 * 100% = 0.08 * 100% = 8%
Year 4: (17,950.90 - 16,621.20) / 16,621.20 * 100% = 0.08 * 100% = 8%

Every year the net income increases by 8%. So, the net income in Year 5 will be:

17,950.90 x 1.08 = 19,386.97  Choice D.

8 0
3 years ago
Read 2 more answers
Help please i suck at this
kap26 [50]

Answer:

Mistake: -3-5=-2, -3-5=-8

Step-by-step explanation:

-3-(7x+5)+9x=-8+3x+10

-3-7x-5+9x=4x+2

-8+2x=4x+2

-8-2=4x-2x

-10=2x

-10/2=x

-5=x

5 0
2 years ago
Please help I just don't get it
alexdok [17]
Alright so what you are doing is getting the area of the whole triangle, and that formula is what you do so bxh is 5x12 and 5x12=60 then you  need to divide 60 by 2 which is 30 so your answer will be
B 30m^2
7 0
3 years ago
Read 2 more answers
) Suppose that an urn contains 7 green, 8 red, and 9 yellow balls. You pick a ball at random and replace it. You then do this 9
IrinaVladis [17]

Title:

<h2>The required probability is 2.336\times 10^{-5} = 0.00002.</h2>

Step-by-step explanation:

In the urn, there are total (7 + 8 + 9) = 24 balls.

We are taking 10 balls out of the urn with replacement.

In each tern, we have overall 10 choices to chose 1 ball.

If we <u>want to get a green</u>, there are 7 choices each time.

Similarly, 8 choices each time for getting a red and 9 choices each time for getting a yellow ball.

The probability of getting green 2 times, red 3 times, and yellow 5 times is \frac{7^2 \times8^3\times9^5}{(24)^{10}} = 2.336 \times 10^{-5}.

3 0
3 years ago
Read 2 more answers
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