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3 years ago

Twelve large bottles of water cost nine dollars how many bottles can u buy for 3 dollars

Mathematics

2 answers:

DerKrebs [107]3 years ago

7 0

Answer:

answer is 4

Step-by-step explanation:

12 / 3

topjm [15]3 years ago

5 0

Answer:

The answer would be 4!

Step-by-step explanation:

So, if twelve large bottles cost 9 dollars all you need to do is subtract 9-3. 3 is the amount of bottles you want to buy.

I hope I explained it well, Im still developing my english. I hope you have a great day!

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Suppose the time a child spends waiting at for the bus as a school bus stop is exponentially distributed with mean 7 minutes. De

Gala2k [10]

Answer:

The probability that the child must wait between 6 and 9 minutes on the bus stop on a given morning is 0.148.

Step-by-step explanation:

Let the random variable X represent the time a child spends waiting at for the bus as a school bus stop.

The random variable X is exponentially distributed with mean 7 minutes.

Then the parameter of the distribution is, $\lambda=\frac{1}{\mu}=\frac{1}{7}$ .

The probability density function of X is:

$f_{X}(x)=\lambda\cdot e^{-\lambda x};\ x>0,\ \lambda>0$

Compute the probability that the child must wait between 6 and 9 minutes on the bus stop on a given morning as follows:

$P(6\leq X\leq 9)=\int\limits^{9}_{6} {\lambda\cdot e^{-\lambda x}} \, dx$

$=\int\limits^{9}_{6} {\frac{1}{7}\cdot e^{-\frac{1}{7} \cdot x}} \, dx \\\\=\frac{1}{7}\cdot \int\limits^{9}_{6} {e^{-\frac{1}{7} \cdot x}} \, dx \\\\=[-e^{-\frac{1}{7} \cdot x}]^{9}_{6}\\\\=e^{-\frac{1}{7} \cdot 6}-e^{-\frac{1}{7} \cdot 9}\\\\=0.424373-0.276453\\\\=0.14792\\\\\approx 0.148$

Thus, the probability that the child must wait between 6 and 9 minutes on the bus stop on a given morning is 0.148.

6 0

3 years ago

Parallelogram ABCD is shown.

hichkok12 [17]

Answer:

Step-by-step explanation:

#4 part A= D

#4 part B = 76

Your question only states parrallelogram ABCD is shown, so I assume you only wanted those answers, GL

3 0

2 years ago

Simplify 4.836 divided by 1.2

MrRissso [65]

Answer:

4.03 is your answer.

Step-by-step explanation:

4.836 divided by 1.2

4.836/1.2 = 4.03

4.03 is your answer.

8 0

3 years ago

Read 2 more answers

Select all of the following tables which represent y as a function of x.

Schach [20]

Answer:

the second and third one

Step-by-step explanation:

two y's that are the same can't have 2 outcomes

3 0

2 years ago

Find the product 1/2x3/4.

Sauron [17]

Answer:

The product is 3/8

Step-by-step explanation:

When you multiply two fractions, first multiply the numbers on the top (numerators).

1 * 3 = 3

Then multiply the bottom numbers (denominators).

2 * 4 = 8

Now stick the first over the second.

3/8

7 0

3 years ago

Twelve large bottles of water cost nine dollars how many bottles can u buy for 3 dollars​

Twelve large bottles of water cost nine dollars how many bottles can u buy for 3 dollars