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Agata [3.3K]
3 years ago
8

A) Determine which amounts of postage can be formed using just 3-cent and 10-cent stamps.

Mathematics
1 answer:
RUDIKE [14]3 years ago
8 0

wait i will take screen shot please bran-list

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I think the answer is around 1.4 as you need to multiply the area by 1/9 after finding the real area. 
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We're going to go ahead and eliminate one answer out of the four. It <u>cannot be B</u> (the second answer) <em>because the graph is made of dotted lines. </em>

Dotted Lines = > or <

Solid Lines = ≤ or ≥

Next, let's focus on the straight line on the graph.

The equation for the line is  

y = x - 4

Since the shaded region is <em>below </em>the line,

the equation will be <u>y <  x - 4 </u>

We can now <u>eliminate </u>answer <u>A </u>

Since the second equation is y < - l x - 2 l

It will be shaded below the graph since it uses the ( < ) (less than symbol)


This means <em><u>the answer is  C</u></em>

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3 years ago
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nexus9112 [7]
524 cm cubed
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(-4,9), (-4 -3), and (-1, 9) what is the area?
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kotykmax [81]

Answer:

c

Step-by-step explanation:

10 times 8 = 80

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Read 2 more answers
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