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Feliz [49]
3 years ago
6

Write an explanation on how to solve x-5.5=22.9

Mathematics
1 answer:
____ [38]3 years ago
7 0

Answer:

28.4

Step-by-step explanation:

Add 5.5 to both sides.

x - 5.5+5.5 cancels out the -5.5 to get x.

x = 22.9+5.5

x=28.4

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Evaluate the expression 15-n when n =8
Dvinal [7]

Answer:

7

Step-by-step explanation:

if : n = 2    : 15 -  n = 15 - 8 = 7

4 0
3 years ago
I need help on this question please and thank you!
Kay [80]

Answer:

The 2nd one.

Step-by-step explanation:

185 degrees is farther than a straight line, and the 2nd one is the only one like that.

5 0
2 years ago
Question 12 (1 point)
Paraphin [41]
<h3>Answer:   5</h3>

=================================================

Explanation:

Let's consider the expression (x-y)^2. It expands out to x^2-2xy+y^2. The terms are:

  • x^2
  • -2xy
  • y^2

Each of those terms either has a single variable with an exponent of 2, or has the exponents add to 2. Think of 2xy as 2x^1y^1.

In short, this means that the degree of each monomial term is 2.

----------

Now consider (x-y)^3. It expands out into x^3-3x^2y+3xy^2+y^3.

We have terms that either have a single variable and the exponent is 3, or the exponents add to 3. The degree of each term is 3.

----------

This pattern continues.

In general, for (x-y)^n, where n is any positive whole number, the degree of each term in the expansion is n. If you picked any term, added the exponents, then the exponents will add to n.

4 0
3 years ago
A movie theater has a seating capacity of 249. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults.
Sonbull [250]

9514 1404 393

Answer:

  • 126 children
  • 63 adults
  • 60 students

Step-by-step explanation:

Let a represent the number of adults that attended. Then 2a is the number of children, and (249 -a -2a) is the number of students. The total revenue is ...

  5(2a) +7(249 -3a) +12a = 1806

  a +1743 = 1806 . . . . simplify; next, subtract 1743

  a = 63 . . . . . . . . adults

  2a = 126 . . . . . . children

  249 -3a = 60 . . students

126 children, 63 adults, and 60 students attended.

4 0
3 years ago
What is 2-78 please help me
Angelina_Jolie [31]

Answer:

  • 2-78

=-76

hope it is helpful to you ☺️

8 0
3 years ago
Read 2 more answers
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