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DaniilM [7]
2 years ago
12

For each situation, identify the independent and dependent variables. Write a function in function notation. Then use the functi

on to solve the problem.
1)Bruce owns a small grocery store and charges $4.75 per und of produce. If a customer orders 5 pounds of produce, how much does Bruce charge the customer?
Mathematics
1 answer:
garik1379 [7]2 years ago
4 0
Its 23.75 because if you multiply 4.75 by 5 its 23.75 Hope this works!
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If r(x)=3x-1 and s(x)=2x+1, which expression is equivalent to (r-s)(6)
daser333 [38]

Answer:

4

Step-by-step explanation:

Step 1:  find (r- s) or  r(x) - s(x)

 r(x) - s(x) = 3x - 1 - (2x + 1)

       r(x) - s(x) = 3x - 1 - 2x - 1   (distribute the -1 to 2x and 1)

           r(x) - s(x) =  x - 2        (combine like terms, 3x + (-2x) = x, -1 + (-1) = -2)

          so   r(x) - s(x) = x - 2, or   (r - s)(x) = x - 2

Step 2:  Plug in 6 to 'x' and find (r - s)(x)

  (r - s)(6) =  6 - 2   =   4

5 0
2 years ago
Filled with jelly beans. If the jar has a<br> 15% are purple How many purple beans are they ?
Rzqust [24]

Answer:

147 purple jelly beans

Step-by-step explanation:

15% of 980 is 147

8 0
2 years ago
What is the point of an object where the force of gravity is considered to act?
Luden [163]
Gravity always acts downward on every object on earth. Gravity multiplied by the object's mass produces a force called weight. Although the force of an object's weight acts downward on every particle of the object, it is usually considered to act as a single force through its balance point, or center of gravity.
6 0
3 years ago
Functions please helpp​
rodikova [14]

Answer:

<em>Functions:</em>

3. The chart with arrows

4. The graph

<em>Not Functions:</em>

1. (1,1), (2,2), (3,3), (1,4)

2. (1,17), (0,16), (0,15), (-2,17)

Step-by-step explanation:

Functions do not have repeating domains (x-coordinates).

Hope it helps!

8 0
2 years ago
The differential equation y′′=0 has one of the following two parameter families as its general solution: yyyy=C1ex+C2e−x=C1cos(x
svet-max [94.6K]

Answer:

y_c = 2 + 10*x

Step-by-step explanation:

Given:

                                                y'' = 0

Find:

- The solution to ODE such that y(0) = 2, y'(0) = 10

Solution:

- Assuming a solution y = Ce^(mt)

So,                                y' = C*me^(mt)

                                    y'' = C*m^2e^(mt)

- Back substitute into given ODE, we get:

                                    y'' = C*m^2e^(mt) = 0

                                    e^(mt) can not be equal to zero

- Hence,                       m^2 = 0

                                     m = 0 , 0 - (repeated roots)

- The complimentary function for repeated roots is:

                                    y_c = (C1 + C2*x)*e^(m*t)

                                    y_c = C1 + C2*x  

- Evaluate @ y(0) = 2

                                    2 = C1 + C2*0

                                    C1 = 2

-Evaluate @ y'(0) = 10

                                    y'(t) = C2 = 10

Hence,                         y_c = 2 + 10*x

5 0
3 years ago
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