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horsena [70]
2 years ago
15

1) simplify -2x × 5x ​

Mathematics
1 answer:
cricket20 [7]2 years ago
8 0

Answer:

The correct answer is -10x²

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Carl has 1,064 legos. sharon has 19 time the amount of legos. how many legos does sharon have
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1064 x

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Sharon has 20216 legos

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What is the median of these numbers :<br> 6,7,7,8,8,4,7,6,4,6,8,7
jenyasd209 [6]

Answer:

7

Step-by-step explanation:

4,4,6,6,6,7,7,7,7,8,8

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Of 30 students, 1/3 play sports. Of those who play sports, 2/5 play soccer.
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Answer: 10 or 12

Step-by-step explanation:

6 0
3 years ago
Distance between parallel lines y=3x+10 and y=3x-20
Alecsey [184]

1. Take an arbitrary point that lies on the first line y=3x+10. Let x=0, then y=10 and point has coordinates (0,10).


2. Use formula d=\dfrac{|Ax_0+By_0+C|}{\sqrt{A^2+B^2}} to find the distance from point (x_0,y_0) to the line Ax+By+C=0.


The second line has equation y=3x-20, that is 3x-y-20=0. By the previous formula the distance from the point (0,10) to the line 3x-y-20=0 is:

d=\dfrac{|3\cdot 0-10-20|}{\sqrt{3^2+(-1)^2}}=\dfrac{30}{\sqrt{10}}=3\sqrt{10}.


3. Since lines y=3x+10 and y=3x-20 are parallel, then the distance between these lines are the same as the distance from an arbitrary point from the first line to the second line.


Answer: d=3\sqrt{10}.

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3 years ago
Last year, Philip Rivers' passing percentage was 66%, which means he completed 66% of his
statuscvo [17]

Answer:

363

Step-by-step explanation:

0.66*550=363

8 0
3 years ago
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