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torisob [31]
4 years ago
14

mr burns class is taking a field trip to the planetarium. The trip will cost $27 for each student. There are 18 students in his

class. Use compatible numbers to estimate the total cost of the field trip.
Mathematics
2 answers:
8090 [49]4 years ago
4 0
The correct answer is 30 times 20 equals 600.
avanturin [10]4 years ago
3 0
So, 27=30 and 18=20 rounded 

so what you would do now is multiply 30 x 20 and you get $600
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3 years ago
Help me please 10 points
Butoxors [25]

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2 years ago
Which statement describes how the graph of a function, h(x), and its inverse, h‒1(x), are related? The line y = ‒x is the perpen
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Answer:

Option B.

Step-by-step explanation:

We know that, if the graph of a function is reflected across the line y=x, then we get the graph of inverse of that function.

It means, the graph of inverse function is the mirror image of graph of function across the line y=x.

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5 0
3 years ago
Can anyone help me with this question!
bogdanovich [222]

9514 1404 393

Answer:

  D.  (x² -2x -3) +(-x² +4x +2)

Step-by-step explanation:

The tiles on the first row model (x² -2x -3).

The tiles on the second row model (-x² +4x +2).

If the difference is being modeled, it will show as ...

  (x² -2x -3) -(-x² +4x +2) = (x -2x -3) +(x² -4x -2) . . . . . matches none

If the sum is being modeled, it will show as ...

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_____

<em>Additional comment</em>

As is often the case, you can select the correct answer without even any understanding of the question. You can do that because the correct answer is <em>the only one that is a true statement</em>. All of the other answer choices are incorrectly "simplified."

8 0
3 years ago
2x-y=3 -4x+8y=3 what’s the common solution
pshichka [43]
Well you can combine the 2 equations, so it will be -2x+7y=6 now move the -2x to the other side so 7y=2x+6, now divide everything by 7. y= 2x/7 + 6/7.
4 0
3 years ago
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