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Alex787 [66]
3 years ago
10

Letter used to represent one or more numbers

Mathematics
1 answer:
Sedaia [141]3 years ago
3 0
This is the definition of a variable.
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Help with the following problems please and thank you
Marat540 [252]
Just add the numbers in front of variables if the variables are the same! 
2) 5x+7+2x=7x+7 Because you would add the 5 and 2, and since the 7 doesn't have a variable you add it onto the end.
3) 16+4p (13p-9p is 4p)
4) y^2 +  5y (you can't combine y^2 with a y variable because it has a different exponent! if there is no exponent shown it is assumed to be 1. If exponents are the same you combine them, but if not you leave it as is)
5) You distribute the 5 (multiply) with 2h and 3, leaving 10h+15+3h which is 13h+15
6) 19+4n (12+7 is 19, and 18n-14n is 4n)
7) Distribute the 2 to get 18+10k
8) Distribute the 5 to get 15m+10
9) Distribute the 6 to get 6g+6h (you can't combine these because they are different variables)
10) The GCF of 4 and 8 is 4. Place the 4 out of the parentheses. Divide 4d and 8 by four and place them inside the parentheses. 4d is 4 times d so if you divide 4 by 4 you're left with 1d or just d. 8 divided by four is two. 4(d+2)
11) GCF= 7 so 7(3p+5q) 
12) GCF= 9 so 9(2x+y)
5 0
4 years ago
figure WXYZ is shown below. Figure WXYZ is translated up 3 units and 4 units to the right to create WXYZ. What is the measure of
anzhelika [568]

Answer:

Option D. 103°

Step-by-step explanation:

we know that

The length of the sides and the measurement of the internal angles of the figure do not vary after the translation, therefore the two figures are congruent.

The measure of angle Z after the translation is 103°

6 0
4 years ago
Which stem-and-leaf plot represents the data?<br><br> 15, 16, 15, 48, 48, 63, 15, 29, 16, 30, 48
defon

Answer:

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
Polygon ABCDE rotates 52º about the origin to create polygon
Olenka [21]
The answer is 31, because the polygon stays the same it never changed except for its location. 
6 0
4 years ago
Solve 4−|2x−1| = −3
Vanyuwa [196]
<h3>Given</h3>

... 4 - |2x -1| = -3

<h3>Find</h3>

... x

<h3>Solution</h3>

Add |2x-1|+3

... 7 = |2x-1|

This resolves to two equations:

... -7 = 2x-1

... -6 = 2x

... -3 = x

and ...

... 7 = 2x -1

... 8 = 2x

... 4 = x

The two solutions are x = -3 and x = 4.

8 0
4 years ago
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