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2 years ago

Determine the domain and range of the following graph

Mathematics

2 answers:

ipn [44]2 years ago

7 0

Answer:

As per the graph we see:

Domain is:

x = [0, 1]

Range is:

y = [-4, -3]

labwork [276]2 years ago

3 0

Domain=x axis co-ordinates
Range=y axis co-ordinates

Now

$\\ \rm\Rrightarrow D_R=[0,1]$

And

$\\ \rm\Rrightarrow R_R=[-3,-4]$

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The prices of three t-shirts styles are $24, $30 and $36. the probability of choosing a $24 t-shirt is 1/6. the probability of c

Slav-nsk [51]

$\text{Answer} : \text{The expected value of a t-shirt is \$31.}$

Explanation:

Since we have given that

The prices of three t-shirts styles i.e $24, $30, $36 with their probability is given by

$\frac{1}{6}, \frac{1}{2},\frac{1}{3}$

As we know that,

$E(X)= \sum_{1}^{3}x_iP(x_i)$

$\text{where} x_i \text{ is the prices of t- shirts styles}$

Now,

$x_1= \$24 , x_2=\$30 , x_3=$36$

and

$P(x_1)=\frac{1}{6},P(x_2)=\frac{1}{2}, P(x_3)=\frac{1}{3}$

So,

$E(X)= 24\times \frac{1}{6}+30\times\frac{1}{2}+36\times \frac{1}{3}\\=4+15+12\\=31$

So, the expected value of a t-shirt = $31.

4 0

3 years ago

At a school the number of boy to girls is 11:9 there are 124 more boys than girls work out the total number of students at the s

12345 [234]

Answer:

1240

Step-by-step explanation:

the explanation is very long but I hope this is correct!

5 0

3 years ago

At Cindy’s birthday each guest will get two-third of a medium sized pizza. There will be 9 people at the party, including Cindy.

Ipatiy [6.2K]

Answer:

Step-by-step explanation:

9 x 2/3 = 6

8 0

2 years ago

IO.7(4.2)+15.9= 51.25+43.85+14=

katovenus [111]

Answer:

10.7(4.2)+15.9 equals 60.84

51.25+43.85+14 equals 109.1

7 0

3 years ago

In how many years will the interest on £100 at 6% amount to £12?

lesya [120]

Given:
Principal = £100
Interest rate = 6%
Interest = £12

Simple Interest is computed by multiplying the principal by its interest rate and term

Interest = Principal * rate * term
12 = 100 * 0.06 * term
12 = 6 * term
12/6 = term
2 = term

It will take 2 years for £100 to earn £12 at 6%

3 0

3 years ago

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Determine the domain and range of the following graph​

Determine the domain and range of the following graph