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77julia77 [94]
3 years ago
9

What happens when you rotate a straight line 180 degrees?

Mathematics
1 answer:
Alchen [17]3 years ago
6 0

Answer:

Rotation of a point through 180°, about the origin when a point  is rotated about the origin  through 180° in anticlockwise or clockwise direction, it takes the new position

Step-by-step explanation:

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What is the slope of line which goes through the points (-2,-1) and (2,3)?
Nat2105 [25]

Answer:

1

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(3-(-1))/(2-(-2))

m=(3+1)/(2+2)

m=4/4

m=1

6 0
3 years ago
Read 2 more answers
About 2,000,000 people visited the aquarium last year. If this number were rounded to the nearest million, what was the greatest
notsponge [240]
Okay, so there's a number rounded to the nearest million, in this case 2 million. So this tells me that the number of visitors is between 1,500,000 and 2,499,999. The reason why 1,499,999 doesn't count is because the hundred thousands digit is not 5 or above, so it doesn't count. It would round down to 1 million, not 2 million. The reason why 2,500,000 doesn't count, is because the hundred thousands digit is 5, so that rounds to 3 million, not 2 million. The greatest number of visitors that visited the aquarium has to be 2,499,999, because that's one digit away from 2.5 million, and the hundred thousands digit is a 4, not 5. The answer is 2,499,999
5 0
3 years ago
If A={4,5,6,7} and b={a,e,i,o,u} then find n (A)+n(B) ​
kompoz [17]

Answer:

9

Step-by-step explanation:

n(A)+n(B) [n(A)=cardinal numbers of set A.so we have to count the elements and write .

=4+5

=9

6 0
3 years ago
What is the estimate of 215% of 18.
Vsevolod [243]
215% of 18
You must change 215% into a decimal by multiplying by 100  which is 2.15
Then you multiply them
2.15×18=38.7
Then you estimate to the nearest whole number
38.7⇒39
You answer is 38.7
Your answer is 39 estimated

5 0
3 years ago
Read 2 more answers
(2×10^6 )×(0.00009)<br><br> IN SCIENTIFIC NOTATION
pshichka [43]
In scientific notation the answer is: 0.00018 x 10^6
4 0
3 years ago
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