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3 years ago

Write a function for the situation. Is the graph continuous or discrete?

2 answers:

8 0

$C=11n$

The cost needs to be equal to the amount of DVDs * 11 since they are $11 each. So if you had bought two:

$C=2(11) = 22$

jonny [76]3 years ago

7 0

Alrighty, so, 11n=C because n=DVDs time 11 per DVD equals the total cost!

Hope this helps! (:

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What is the length of SR?<br><br><br> 18 units<br><br> 9 units<br><br> 12 units<br><br> 15 units

Serjik [45]

Answer:

Step-by-step explanation:

RT = sqrt(20^2 - 16^2)

RT = sqrt(400 - 256)

RT = sqrt(144)

RT = 12

SR/ST= QR/QT

SR/12 = 20/16

SR = 12 x 20 / 16

SR = 240/16

SR = 15

answer is C.

15 Units

7 0

4 years ago

Arrange the given polynomial in descending order.<br> 9x? + 9x +3+2x

WARRIOR [948]

20x+3
This shouldddd be the answer sorry if I’m wrong, but if you group all the x variables together they add up to twenty, then you just add “+3” being that it has no x and therefore must be put in some form of separate group!

7 0

3 years ago

What Is the slope of the line on the graph?

icang [17]

$( - 4 - 0) \div (0 \div 2)$
=2

8 0

4 years ago

Read 2 more answers

An elevator goes up to the 16th floor. It then comes down 11 floors before going back up 15 floors. What floor is the elevator o

nevsk [136]

Answer:

20 floor

Step-by-step explanation:

16 - 11 = 5 5 + 15 = 20

The elevator is on the 20th floor

4 0

4 years ago

H(x) = 2^x<br>Solve the equation h^-1 (x) =0.5

Ludmilka [50]

Answer:

The answer is

Step-by-step explanation:

To solve the equation we must first find h-¹(x)

To find h-¹(x) equate h(x) to y

That's

<u>Next interchange the terms </u>

x becomes y and y becomes x

That's

<u>Make y the subject</u>

Take logarithm to base 2 to both sides

That's

But

So we have

Now we can solve the equation

We have

Convert the logarithm into exponential form using the fact that

So we have

But

So we have the final answer as

Hope this helps you

8 0

3 years ago