1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Free_Kalibri [48]
3 years ago
12

Please answer this your award will be 20 points for the first answer and brainliest​

Mathematics
1 answer:
Anna [14]3 years ago
5 0

Step-by-step explanation:

pool = 1600 sq.cm

1600 sq.sm = 50cm × 32cm

AB = 50cm

the area of the park of A'B' :

50cm×4=200 sq.cm

You might be interested in
Brainliest please help! :C
Nikitich [7]

Answer: 21

Step-by-step explanation:

N-\left(2\cdot \:7\right)=7

\mathrm{Remove\:parentheses}:\quad \left(a\right)=a

N-2\cdot \:7=7

\mathrm{Multiply\:the\:numbers:}\:2\cdot \:7=14

N-14=7

\mathrm{Add\:}14\mathrm{\:to\:both\:sides}

N-14+14=7+14

\mathrm{Simplify}

N=21

8 0
2 years ago
Read 2 more answers
B is the midpoint of line segment AC. Find the measure of line segment AC. *25427084
iris [78.8K]

Answer:

84 units

Explanation:

If B is the midpoint of line AC, then B divides AC into two equal parts (AB and BC).

Therefore:

AB=BC

2x-8=x+17

2x-x=17+8

x=25

Therefore, the measure of the line segment AC

=2(2x-8)

=2(2(25)-8)

=2(50-8)

=2(42)

AC=84 units

8 0
1 year ago
3x + y = 23<br> 3x - 2y = 8
sergey [27]

Answer:

5

Step-by-step explanation:

difference in y is 3

difference in answer is 15

15 divided by 3 is 5

4 0
3 years ago
Brenna is a makeup artist and carries a lot of makeup around with her. She has 16 cosmetics
damaskus [11]

Answer:

4/16

Step-by-step explanation:

7 0
2 years ago
Naval intelligence reports that 99 enemy vessels in a fleet of 1818 are carrying nuclear weapons. If 99 vessels are randomly tar
oee [108]

Answer:

0.001687 = 0.1687% probability that no more than 1 vessel transporting nuclear weapons was destroyed.

Step-by-step explanation:

The vessels are destroyed and then not replaced, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

Fleet of 18 means that N = 18

9 are carrying nuclear weapons, which means that k = 9

9 are destroyed, which means that n = 9

What is the probability that no more than 1 vessel transporting nuclear weapons was destroyed?

This is:

P(X \leq 1) = P(X = 0) + P(X = 1)

In which

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 0) = h(0,18,9,9) = \frac{C_{9,0}*C_{9,9}}{C_{18,9}} = 0.000021

P(X = 1) = h(1,18,9,9) = \frac{C_{9,1}*C_{9,8}}{C_{18,9}} = 0.001666

Then

P(X \leq 1) = P(X = 0) + P(X = 1) = 0.000021 + 0.001666 = 0.001687

0.001687 = 0.1687% probability that no more than 1 vessel transporting nuclear weapons was destroyed.

4 0
3 years ago
Other questions:
  • On a recent shopping trip, Arnold started with $150. He spent these amounts at various stores $49.81, $32.43, $25.90, $14.58, $2
    13·1 answer
  • A boy spent one-half of his money for a book and one-third of his money for a pen. The remaining $2.25 he saved. How much money
    15·2 answers
  • T is between points p and b pt=15 and tb=10 what is pb
    13·2 answers
  • Evaluate. Let n = 2.Enter the answer in lowest terms. 
    8·2 answers
  • Help Please I really think its c for 7
    5·1 answer
  • Convert the decimal to a percent 0.625
    11·1 answer
  • Alicia wrote these numbers:2,9,15,21.which of Alicia numbers is not a composite number?
    6·2 answers
  • Which of the following measurements is greater?
    15·1 answer
  • Rewrite as an addition problem:<br> (5w +6u) - (4w - 3u)
    12·1 answer
  • Been trying to solve this, need help
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!