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Simora [160]
3 years ago
6

In △ABC,m∠B=3⋅m∠C and m∠A=2⋅m∠C. What is m∠A?

Mathematics
2 answers:
poizon [28]3 years ago
7 0
30 is the right one
german3 years ago
5 0
90
The correct Answer is B

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Points B and B' have symmetry with respect to P. Find the coordinates of P when B is (2, 8) and B' is (2, 2). A. (2, 5) B. (0, 5
Alecsey [184]

Answer:

A. (2, 5)

Step-by-step explanation:

If B and B' have symmetry, then P is a midpoint between those points. We can determinate the location of point P by using the midpoint equation, whose vectorial form is:

P(x,y) = \frac{1}{2}\cdot B(x,y)+\frac{1}{2}\cdot B'(x,y) (Eq. 1)

If we know that B(x,y) = (2,8) and B'(x,y) = (2,2), then the location of P is:

P(x,y) = \frac{1}{2}\cdot (2,8)+\frac{1}{2}\cdot (2,2)

P(x,y) = (1, 4)+(1,1)

P(x,y) = (2, 5)

Which corresponds to option A.

7 0
3 years ago
Simplify.<br> 8^15 : 8^-3<br> asap please
torisob [31]

Answer:

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Step-by-step explanation:

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2 years ago
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Which number is NOT written in scientific notation? ​
Thepotemich [5.8K]
The last one is not scientific notation because the 25.67 is greater than 10
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Hi I need help with this, I am very confused
AlladinOne [14]

Answer:

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P (winner, winner) = 1/9 * 1/9 = 1/81

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