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viva [34]
3 years ago
5

(5 1/4)÷(−2 1/2)? please help me

Mathematics
2 answers:
lisov135 [29]3 years ago
4 0
-21/10 or -2&1/10 I used my calculator
ZanzabumX [31]3 years ago
4 0

Answer:

-21/10

Step-by-step explanation:

5 1/4 = 21/4

-2 1/2 = -5/2

21/4 : (-5/2) = -21/10

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Benito wrote the equations shown about the figure. Explain Benito’s errors.
Minchanka [31]

Answer:

  • Benito's error was using the equal sign (=) instead of the congruency symbol (≅).

Explanation:

Benito's error was using the equal sign (=) instead of the congruency symbol (≅).

The congruency symbol (≅) means that the elements (segments, angles or figures in general) have the same measure, i.e. they have equal lengths for the segments or equal measure for the angles.

For instance, it is an error saying that the segment AB is equal to the segment BC because, as you clearly see in the picture, they are not same; they have the same length but they are joining different points, that makes them different in essence, although they have the same length. They would be equal only if they are the same figure.

In mathematics, you must not say that two different segments or two different angles are equal but they are congruent, which means that their lengths are equal. The use of equal is reserved for numbers and variables, not for figures like segment, points, angles, polygons.

7 0
3 years ago
Identify the TRUE statement relating to a property of the function y = sin x
svlad2 [7]

The true statement relating to a property of the function y =sin x is that the maximum and minimum values of the function are 1 and -1 respectively. Option B

<h3>Properties of the function</h3>

The following are the properties of the sin trigonometric ratio of the function;

  • The sine graph rises till +1 and then falls back till -1 from where it rises again.
  • The function y = sin x is an odd function
  • The domain of y = sin x is the set of all real numbers
  • The range of sine function is the closed interval [-1, 1]
  • The amplitude of the function is half its range value
  • One cycle of the function is 6. 28

From the above listed deductions, we can see that the true statement about the function y = sin x is that the range which is always known as the maximum and minimum values of the function are 1 and - 1 respectively.

Thus, the true statement relating to a property of the function y =sin x is that the maximum and minimum values of the function are 1 and -1 respectively. Option B

Learn more about the sine function here:

brainly.com/question/9565966

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6 0
2 years ago
What angle mesuare is better
HACTEHA [7]

Answer:

Angle A is the greatest.

Step-by-step explanation:

6 0
2 years ago
The equation y=19x relates proportional quantities x and y.
lions [1.4K]

Answer:

the value of x is 4/19

Step-by-step explanation:

it is simple math. 4=19x  divide 4 by 19

6 0
2 years ago
REPLY ASAP PLEASE!!!
d1i1m1o1n [39]

Answer:

The answer is c.

Step-by-step explanation:

4 0
3 years ago
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