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3 years ago

What is your top 5 fav animals?

Mathematics

2 answers:

Galina-37 [17]3 years ago

8 0

Answer:

1. Dog

2. Monkey

3. Baby tiger brother has one

4. Pigs

5.Pandas

Step-by-step explanation:

Tatiana [17]3 years ago

7 0

Answer:

Butterflies, cheetahs, Siberia toothed cat, elephants, shoebills

Please make me brainiest if that is ok :)

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One bag of garden soil covers approximately16ft squared. If it takes 16 radius ft of fencing to enclose a circular garden , how

Greeley [361]

13 bags is the answer to your question

3 0

4 years ago

There are 5 comedy, 8 action, and 11 children DVDs on a rack. Susan randomly selects 3 of them. What is the probability that she

ipn [44]

$|\Omega|=24\cdot23\cdot22=12144\\
|A|=5\cdot8\cdot11=440\\\\
P(A)=\dfrac{440}{12144}=\dfrac{5}{138}$

5 0

3 years ago

A study shows that employees who begin their workday at 9:00 a.m. vary their times of arrival uniformly from 8:40 a.m. to 9:30 a

arlik [135]

Answer:

20 %

Step-by-step explanation:

This question can be easily solved using The Rectangular, or Uniform Distribution of Probability

The probability of people arriving between 8:40 am and 9:30 am is uniformly distributed and can be represented by a rectangle attached as figure 1 .

The total area of this green rectangle must be equal to 1 because the total probability is always equal to 1.

We are interested in finding the red region which is for the time range of 9:00 am to 9:10am shown in the figure 2 attached:

First we need to find the Height of this rectangle:

To find the value of Height:

The formula for the area of rectangle = Base x Height

Base = b – a

In our case b – a is the difference in time from 8:40 am to 9:30 am

So, b – a = 50 (mins)

Similarly, Height x Base = 1 because max probability is equal to 1

Height = 1/ (b – a) because Base x Height must be equal to 1 (max probability)

Height = 1/ (b – a )

Height = 1/(Base)

Height = 1/50

Now once we have the value of Height we can find the desired probability of any region by multiplying the Height with the given time range in the question. In our case the time range is 9:00 am to 9:10 am which means 10(mins). Therefore,

Probability = Height x 10

Probability = 1/50 x 10

Probability = 1/5

To convert it into percentage

1/5 x 100% = 20% (Answer)

3 0

3 years ago

Mr. Akika has 30 24-cent and 33-cent stamps all told. The stamps are worth $8.91. How many of each kind of stamp does he have?

riadik2000 [5.3K]

Answer:

24-cent: 11
33-cent: 19

Step-by-step explanation:

I find it easiest to solve these using the variable to represent the number of the most-expensive item. Let x represent the number of 33-cent stamps. Then the total value (in cents) is ...

33x +24(30 -x) = 891

9x = 171 . . . . . . . . . . . . . subtract 24(30), collect terms

x = 19 . . . . . . . . . . . . divide by 9

30-x = 11 . . . . . . . find the number of 24-cent stamps

Mr. Akika had 11 24-cent stamps and 19 33-cent stamps.

_____

<em>Additional comment</em>

You seem to have several of these to solve. They all have a similar solution.

If we let x represent the number of higher-value items, N, the total number of items, V the total value, and v1 and v2 the individual values (v2 > v1), the equation is ...

v2(x) +v1(N -x) = V

x(v2 -v1) = V -v1·N

x = (V -v1·N)/(v2 -v1) . . . . generic solution

Using this formula in the problem here, we find ...

x = (891 -24(30))/(33 -24) = 171/9 = 19 . . . as above

7 0

3 years ago

Dayami works at Future Shop and earns $10.50/h plus 6% commission on sales. Last

skad [1K]

<h2><u>Quick answer</u> :</h2>

$= \tt\$570$