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sergiy2304 [10]
3 years ago
7

The commutative property applies to which of the following operations?

Mathematics
1 answer:
kondaur [170]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Addition and multiplication are both commutative. Subtraction, division, and composition of functions are not. For example, 5 + 6 = 6 + 5 but 5 – 6 ≠ 6 – 5. More: Commutativity isn't just a property of an operation alone

Hope this helps, mark brainliest if possible.:)

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Help me please
blsea [12.9K]

Answer:

1 is biased, 2 isn't, 3 is biased, 4 isnt

Step-by-step explanation:

If you ask a question to people in a group who are already clearly for a certain topic then it is biased. For survey to not be biased, the people need to be chosen at random. Ask students what their favorite class is, or ask flight attendants where their favorite destination to travel to is. Dont use a group who has any relation to the survey at hand. Asking band students about funding for band is biased, as well as asking people who are at a SOCCER GAME what their favorite sport is.

5 0
3 years ago
What is equation of a circle centered at (2, 4) with a radius of 2?
Bas_tet [7]

Answer:

(x-2)²+(y-4)²=4

Step-by-step explanation:

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3 years ago
Olivia wrapped a string around a circle and found it was 30 mm long. Approximately, what is the radius of this circle
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3 years ago
Please help me with this logs question!
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3 years ago
PLZ SOLVE PIC ATTACHED BELOW
ludmilkaskok [199]

Answer:

\tan(51°)  =  \frac{10}{x}  \\x =  \frac{10}{ \tan(51°) }  \\ x = \frac{10}{1.235}  \\ \boxed{ x = 8.1}

<h3>★ Value of x is <u>8.1</u>.</h3>

\sin(51°)=  \frac{10}{H}  \\ h =  \frac{10}{ \sin(51°) }  \\ H=  \frac{10}{0.777}  \\  \boxed{H= 12.8676}

<h3>★ Value of H is <u>12.8676</u>.</h3>

Remember:

  • tan∅=Perpendicular/Base
  • sin∅=Perpendicular/Hypotenuse

4 0
3 years ago
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