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Harrizon [31]
3 years ago
14

An amusement park charges $20.00 for a souvenir cup and $0.25 for refills all season long. Which function represents the total c

ost of n numbers of refills, and what is the initial value?
A. y = 20 + 0.25n
The initial value is $0.25.

B. y = 20 + 0.25n
The initial value is $20.00.

C. y = 0.25 + 20n
The initial value is $20.00.

D. y = 0.25 + 20n
The initial value is $0.25.
Mathematics
1 answer:
Jet001 [13]3 years ago
6 0

Answer:

B. y = 20 + 0.25n

the initial value is 20

Step-by-step explanation:

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If f(x)=3x² - 4 and g(x)=x+2, find (f - g)(x).​
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D

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2 years ago
Find the distance between (3,-3) and (2,7)
yarga [219]

Answer:

\sqrt{101} = D

Step-by-step explanation:

Method #1

We can draw a <em>right triangle</em> on the graph upon where the points are located and use the Pythagorean Theorem:

{a}^{2} + {b}^{2} = {c}^{2}

{1}^{2} + {10}^{2} = {c}^{2}

1 + 100 = {c}^{2}

101 = {c}^{2}

\sqrt{101} = c

* Whenever we talk about distance, we ONLY want the NON-NEGATIVE root.

_______________________________________________

Method #2

Or, we can use the Distance Formula:

\sqrt{[-x_1 + x_2]^{2} + [-y_1 + y_2]^{2}} = D

[2, 7] [3, −3]

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** You see? It does not matter which method you choose, as long as you are doing the work correctly.

I am delighted to assist you anytime.

5 0
2 years ago
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