2 years ago

How do i do this ? find the domain + range of a graph ?

Mathematics

1 answer:

Rus_ich [418]2 years ago

4 0

Answer:

its 4 i know it

Step-by-step explanation:

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A quarter has a diameter of 2.4 centimeters. What is the area of the coin (round answer to nearest tenth)?

mafiozo [28]

Answer:

4.5

Step-by-step explanation:

The equation of an area of a circle is A=πr² where r is the radius.

The radius is also half the diameter. So the radius of the quarter is 1.2

A=π(1.2)²

A=π(1.44)

A=4.52389

4 0

3 years ago

Can someone please help me with the question in the image. i will mark as brainliest if correct

ExtremeBDS [4]

Answer: 15

Step-by-step explanation:

x:9 = 25:15

x = 25:15*9 = 15

5 0

3 years ago

An aquarium has display tanks that each contain 175 fish.how many fish are on display in 6 tanks

wel

Answer:

1050 fish

Step-by-step explanation:

175(6 tanks) = 1050

3 0

3 years ago

Find the midpoint between (-6, 8) and (4, 6)<br> Midpoint is _____ ______

seropon [69]

Answer:

(-1,7) is the midpoint of these two points

Step-by-step explanation:

4 0

3 years ago

The number of withdrawals a bank processes in a day follows a random variable X. The number of deposits in a day is represented

Serhud [2]

Answer:

Check the explanation

Step-by-step explanation:

Number of transactions in a day is sum of number of withdrawals and number of deposits. So,

Number of transactions in a day, Z = X + Y

Moment Generating function of Z is,

T+1

Expected number of transactions in a day = E[Z]

$= \frac{\mathrm{d} }{\mathrm{d} t}_{t=0}M_Z(t) = (r+1)\left ( \frac{p}{1-qe^t} \right )^{r} * \frac{-p}{(1-qe^t)^2} * (-qe^t) for t = 0$

$= (r+1)\left ( \frac{p}{1-qe^0} \right )^{r} * \frac{-p}{(1-qe^0)^2} * (-qe^0)$

$= (r+1)\left ( \frac{p}{1-q} \right )^{r} * \frac{-p}{(1-q)^2} * (-q)$

$= (r+1)\left ( \frac{p}{p} \right )^{r} * \frac{-p}{(p)^2} * (-q)$

$= \frac{(r+1)q}{p}$

4 0

3 years ago