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SCORPION-xisa [38]
3 years ago
14

Send the answer from 18 to 23 with process in copy​

Mathematics
1 answer:
viktelen [127]3 years ago
4 0

19. Perimeter of rectangle = 2(l + b)

l = 25m

b = 16m

Perimeter of rectangular park = 2 (25 + 16)

= 50 + 32

= 82m

Perimeter of square park = 82m

(given that, perimeter of rectangular and square park are equal)

Perimeter of square = 4a

4a = 82

a = 82/4

a = 20.5m

Area of square park = a²

= 20.5²

= 420.25m²

20. Perimeter of regular hexagon = 6a

a = 2.5

6a = 6 × 2.5

= 15cm

21. Perimeter of regular decagon = 10a

a = 8

10a = 10 × 8

= 80cm

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Video store A charges 9$ to rent a video game for one week although only members can rent from the store,membership is free. Vid
balu736 [363]

Answer:

Yes and the total will be $172

Step-by-step explanation:

  1. 9 x 4 = 36
  2. Video game store A = $36
  3. Video game store B = $136
  4. add $136 to $36 to get $172
5 0
3 years ago
The probability that a house in an urban area will develop a leak is 55​%. if 2020 houses are randomly​ selected, what is the pr
k0ka [10]
<span>The probability that a house in an urban area will develop a leak is 55​%. if 20 houses are randomly​ selected, what is the probability that none of the houses will develop a​ leak? round to the nearest thousandth.

Use binomial distribution, since probability of developing a leak,  p=0.55 is assumed constant, and
n=20, x=0
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P(X=x)
=C(n,0)p^x* (1-p)^(n-x)
=C(20,0)0.55^0 * (0.45^20)
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=1.159*10^(-7)
=0.000

</span>
7 0
4 years ago
A local grocery store tested spinach samples for E coli bacteria using two different tests. The first test has a 94% probability
Afina-wow [57]

Answer:  Probability that both tests detect the bacteria is 83.66%.

Step-by-step explanation:

Since we have given that

Probability of  the first test giving accurate results = 84%

Probability of the second test is accurate = 89%

Probability of both tests detect the bacteria is given by

\frac{94}{100}\times \frac{89}{100}\\\\=0.94\times 0.89\\\\=0.8366\\\\=83.66\%

Hence, Probability that both tests detect the bacteria is 83.66%.

6 0
4 years ago
Read 2 more answers
The sum of ten and the quotient of a number x and 6
Zepler [3.9K]

I hope we need to write the algebraic expression for the given statement.

Quotient of a number x and 6 can be represent in algebraic form as \frac{x}{6}.

Now to write sum of 10 and \frac{x}{6} we need to add them.

Therefore , the sum of ten and the quotient of a number x and 6 can be written as 10 + \frac{x}{6}.

Hope this helps you!

6 0
4 years ago
A SQUARE PATIO HAS AN AREA OF 200 SQUARE FEET. HOW LONG IS EACH SIDE OF THE PATIO TO THE NEAREST 0.05
lara [203]
If you would like to know the length of each side of the patio, you can calculate this using the following steps:

an area ... 200 square feet
a ... the length of one side

area = a * a = a^2
200 = a^2
a = sqrt(200)
a = 14.14 feet

The correct result would be 14.14 feet.
6 0
3 years ago
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