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vodka [1.7K]
3 years ago
8

Select all the expressions that are equivalent to 15n - 10

Mathematics
2 answers:
jolli1 [7]3 years ago
8 0
What r the expressions
Andrews [41]3 years ago
7 0

Answer:

D

Step-by-step explanation:

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alexira [117]

Answer:

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6 0
3 years ago
Consider the piecewise-defined function given by the graph. What are these values?
maksim [4K]

Answers:

f(-3) = -1

f(-1) = 2

f(3) = 5

======================================

Explanations:

Draw a vertical line through -3 on the x axis. Make sure this vertical line crosses the orange graph. Mark this point of intersection and then draw a horizontal line from this point to the y axis. You should find that it touches -1 on the y axis. Check out the attached image to see this process in action.

Those steps basically say that x = -3 leads to y = -1. Since y = f(x), this means f(-3) = -1

Through similar steps, you should find that f(-1) = 2 and f(3) = 5

Note that the open hole/circle does not count. So if you land on an open hole, just keep going until you hit a closed circle on the other piece of the graph.

6 0
3 years ago
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Tanya [424]

Answer:

This is false. Lines will be congruent if they have the same length, which is not the case in all situations.

8 0
3 years ago
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The difference between 7 7/8 - 3 1/4
Dima020 [189]
You could convert them into improper fractions first. 7 7/8 should become 63/8 and 3 1/4 should become 13/4. Then, change both fractions so they share a common denominator. I'll use 8. 
63/8-26/8 = 37/8, which is then converted into 4 5/8.
Hope that helped you.
8 0
3 years ago
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Write the numbers in the correct order from least to greatest -4, 2 1/5, -2 3/4, 1/10
Naya [18.7K]
-4, -2 3/4, 1/10, 2 1/5
8 0
3 years ago
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