2 years ago

Which is a multiple of 15?

Mathematics

1 answer:

Stells [14]2 years ago

8 0

Ily I hope your having a good day lol

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You are purchasing books summer reading for $4.50 each. Part A: Your total cost, C, depends on,The input is,and the output is,Pa

Crazy boy [7]

Answer:

Part A) see the explanation

Part B) $C(12)=\$54$

Step-by-step explanation:

Part A)

we know that

A relationship between two variables, x, and C, represent a proportional variation if it can be expressed in the form $k=\frac{C}{x}$ or $C=kx$

Let

C ---> is the total cost (represent the output or dependent variable)

x ----> is the number of books (represent the input or independent variable)

In this problem

we have a proportional relationship between the variables x and C

Part B) we know that

The linear equation is given by

$C=kx$

The constant of proportionality k is the same that the slope or unit rate of the linear equation

In this problem the constant k is given

$k=\$4.50\ per\ book$

$C=4.50x$

For x=12 books

substitute in the equation and solve for C

$C=4.50(12)=\$54$

In function notation

$C(12)=\$54$

5 0

3 years ago

the set below only contains which types of numbers {-1,5,1/2,15,3.75,36,square root 81,100 are they irrational numbers rational

nika2105 [10]

Answer:

I believe Irrational numbers, That's the answer I used and got it correct!

Step-by-step explanation:

5 0

3 years ago

Please help me with this!

morpeh [17]

Answer:

Step-by-step explan

6 0

2 years ago

Hey i rlly want to be done with thiss lol don't delete;-;

e-lub [12.9K]

Answer:

hello the correct answer is y=30x+20

Step-by-step explanation:

6 0

2 years ago

If 1 dollar = 100 cents<br><br> Then what is 46,300 cents in dollars?

Igoryamba

Answer:

463 dollars

Step-by-step explanation:

46, 300 / 100= 463

hope this helps!

6 0

2 years ago