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erica [24]
3 years ago
8

The area of a square is 50 square yards. What is the length, in yards, of one side of the square?

Mathematics
1 answer:
Elena L [17]3 years ago
8 0

Answer:

area \: of \: a \: square =  {x}^{2}  \\ here \:  {x}^{2}  = 50 \\ x =  \sqrt{50}   =  \sqrt{2 \times 25}  = 5 \sqrt{2}  \\ one \: side = 5 \sqrt{2} yard

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IRINA_888 [86]
4/52 = 2/27 After you divide that you get .074 after you round it to the three places.
5 0
3 years ago
I need help with 16a and 17. i haven't been able to understand this in class and no one was able to help me
kompoz [17]
16a. 21cm. bc when it has 10 grams it  moves half of that to 5cm so divide 42 by 2 and you get 21cm

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4x+y=6 
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5 0
3 years ago
The diagram shows a rectangular garden path.
marta [7]

Answer:

Step-by-step explanation:12

7 0
3 years ago
A sequence of Bernoulli trials consists of choosing components at random from a batch of components. A selected component is eit
Drupady [299]

Answer:

a) 0.0287 = 2.87% probability that three non-defective components in a batch of seven components.

b) 0.0336 = 3.36% probability that 8 non-defective components are drawn before the first defective component is chosen.

Step-by-step explanation:

A sequence of Bernoulli trials composes the binomial distribution.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which 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)!}

And p is the probability of X happening.

The probability that a selected component is non-defective is 0.8

This means that p = 0.8

a) Three non-defective components in a batch of seven components.

This is P(X = 3) when n = 7. So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 3) = C_{7,3}.(0.8)^{3}.(0.2)^{4} = 0.0287

0.0287 = 2.87% probability that three non-defective components in a batch of seven components.

b) 8 non-defective components are drawn before the first defective component is chosen.

Now the order is important, so the we just multiply the probabilities.

8 non-defective, each with probability 0.8, and then a defective, with probability 0.2. So

p = (0.8)^8*0.2 = 0.0336

0.0336 = 3.36% probability that 8 non-defective components are drawn before the first defective component is chosen.

4 0
2 years ago
Can Someone help with this​
lesya [120]

Answer:

x        y

-2      5

-1 .      1

3 .       1

-1        -2

Step-by-step explanation:

in 1 just put in

x        y

-2      5

-1 .      1

3 .       1

-1        -2

5 0
2 years ago
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