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Ber [7]
3 years ago
6

Penny gets paid $12 per hour to work at the coffee shop: The amount of money she earns depends on the number of hours she works.

M Which is the dependent variable, and which is the independent variable?" A. The dependent variable is the number of hours she works, and the independent variable is the amount of money she earns. AL B. The dependent variable is the amount of money she earns, and the independent variable is the number of hours she works. C. The dependent variable is the amount of money she earns, and the independent variable is the size of the coffee shop. D. The dependent variable is the size of the coffee shop, and the independent variable is the amount of money she earns​
Mathematics
1 answer:
prisoha [69]3 years ago
6 0

Answer:

B- The dependent variable is the amount of money she earns, and the independent variable is the number of hours she works.

Step-by-step explanation:

The amount of money she earns depends on how many hours she works, making that the dependant variable.

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-6+7x =-2x+57 What is this?​
crimeas [40]

Answer:

x = 7

Step-by-step explanation:

-6+7x = -2x+57

+6+2x +2x+6

9×/9 = 63/9

× = 7

8 0
3 years ago
Which is a zero of the quadratic function f(x) = 4x2 + 24x + 11?
Kitty [74]
X=-5.5 the other zero would be x=-0.5 but that’s not an option.
8 0
2 years ago
Use mathematical induction to prove that the statement is true for every positive integer n. Show your work. 2 is a factor of n2
Lady_Fox [76]
Let n = 1
then f(1) = 1^1 - 1 + 2 = 2   so it is true for n = 1
for the next number  after n   ( n+1) we have  f(n+1) =
 (n+1)^2  - (n+1) + 2 

= n^2 + 2n + 1 - n - 1 + 2 

= n^2 + n + 2 

= n(n+1) + 2

Now n(n+1) must be divisible by 2  because  either n is odd and n+1 is even OR n is even and n+1 is odd   and odd & even always = an even number.

So the function is divisible by 2  for n+1   We have shown that its true for n = 1 Therefore it must be true for n = 1,2,3,4 ... 
True for all  positive integers


3 0
3 years ago
(5/6 + 2/3) - (3/4 + 1/12)
Yuki888 [10]
(5/6 + 2/3) - (3/4 + 1/12
= 9/6 - 10/12
= 18/12 - 10/12
= 8/12
= SIMPLIFY: 2/3

Hope this helps!!
5 0
2 years ago
Read 2 more answers
Naomi is a songwriter who collects royalties on her songs whenever they are played in
barxatty [35]

Equations can be solved in several ways; one of these ways is the graphical method.

The number of commercials, x, and  the number of movies, y, on which Naomi's songs were played are 5 and 2, respectively.

Let:

<em />x \to<em>  commercials</em>

<em />y \to<em> movies</em>

<em />

She earned a total of $300.

This is represented as:

20x + 100y =300

Her songs were played on 3 more commercials than movies.

This is represented as:

x = 3 + y

See attachment for the graphs of

20x + 100y =300

x = 3 + y

From the graph, the lines of both equations intersect at:

x = 5

y = 2

This means that:

  • <em>The number of movies is 2</em>
  • <em>The number of commercials is 5</em>

<em />

<em />

Read more about linear equations at:

brainly.com/question/11897796

4 0
1 year ago
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