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Triss [41]
3 years ago
11

Help please will give brainliest

Mathematics
1 answer:
FromTheMoon [43]3 years ago
3 0
The tangent line is perpendicular to the radius from the center of the circle to the point of tangency. 
ΔDCE is similar to ΔDBA
DC/DB=DE/DA
15/50=DE/40
DE=12 
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Which graph represents the equation y = 3/4x - 3
Gnesinka [82]
The bottom left graph since it is the only one tp go through -3 and go up 3/4

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3 years ago
A student claims that the expression “9 times the sum of a number and 13" is translated to the algebraic expression 9n + 13. Is
FrozenT [24]

Answer:

No, the student is not correct. The correct expression is 9(n+13).

Step-by-step explanation:

"9 times the sum of a number and 13" means you must multiply 9 by the sum, not just by the number. 9n + 13 would be "the sum of 9 times a number and 13." Slightly different wording.

4 0
2 years ago
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Kryger [21]
-28.403 i believe that’s right but idk
7 0
3 years ago
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If the density of the full can is 1.2 g/cc what is the mass ?
Natali5045456 [20]
Mass=Density*Volume
Density=1.1 g/cc
Volume of a cylinder: <span>π*r^2*h
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480.47*1.1=528.517
If I'm correct the mass of this can should be 528.517 
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3 years ago
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I'LL MARK FIRST CORRECT ANSWER BRAINLIEST !!!
shutvik [7]
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