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Sladkaya [172]
3 years ago
7

1/3 21 - 1/2 12 can somebody please help me!

Mathematics
2 answers:
Alexxandr [17]3 years ago
7 0

Answer:

1

Step-by-step explanation:

Simplify the following:

7 - 1/2×12

(-1)/2×12 = (-12)/2:

7 + (-12)/2

12/2 = (2×6)/2 = 6:

7 - 6

21/3 = (3×7)/3 = 7:

7 - 6

7 - 6 = 1:

Answer:  1

aleksklad [387]3 years ago
3 0

Answer:

The answer is 8 and five-sixths


Step-by-step explanation:


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Equilateral triangles have three equal angles, so we right away know that x=60º. Then, we just solve (3(60)-70)º, which is 110º, for the answer.

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3 years ago
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How do you know that the sum of 7-1g and 7-2 is rational?
user100 [1]

The sum of 7-1 and 7-2 will be a rational number because sum of rational numbers is a rational numbers.

A rational number is a number which can be written in p/q form where q≠0.

We know that when two rational numbers is added then the sum is also a rational number. And when two rational numbers are subtracted then the difference is also a rational number.

So in the given question, lets study the term differently that is,

i) 7 - 1 is a rational number because their difference is equal to 6 and it can be written in p/q form which is 6/1.

ii) 7 – 2 is also a rational number as their difference will be 5 which is a rational and can be written in p/q form which is 5/1.

So when these two rational numbers are added their sum will also be a rational number which is 11.

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5 0
2 years ago
What is the range of the function on the graph?
Paladinen [302]
All real numbers less than or equal to 3
6 0
4 years ago
How do you sketch a graph of a function?
Illusion [34]

The graph of a function can be sketched by plotting points.

First and foremost, it is to be determined if the function is odd/even or periodic. Next, we find the x and y intercepts. To sketch a graph of a function, one can start by plotting a few points that lie on the graph using the coordinates given by the function. For example, if the function is y = x², then points (0, 0), (1, 1), and (2, 4) can be plotted by substituting the values of x into the function to find the corresponding values of y.

Subsequent to this, one can connect the points with a smooth curve to form the graph of function. If the function is a straight line, the graph will be a straight line. If the function is quadratic, the graph will be a parabola. The graph may take on a more complicated shape for more complex functions.

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4 0
1 year ago
Picasso's Phone Shop charges $65.54 for its activation fee plus $13.10 for every gigabyte, g, of data you use over your limit. T
konstantin123 [22]

Answer:

$13.10 represents the rate of change

Step-by-step explanation:

13.1 is the only value in the equation with a variable (g). There is an additional $13.10 charge for every gigabyte used over the limit, and this is the rate of change.

For example, if 5 gigabytes were used over the limit, the charge would be 13.1(5) or $65.50

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