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Sholpan [36]
3 years ago
7

Samantha is deciding between two different movie streaming sites to subscribe to. Plan A costs $18 per month plus $1 per movie w

atched. Plan B costs $14 per month plus $2 per movie watched. Let A represent the monthly cost of Plan A if Samantha watches x per month, and let B represent the monthly cost of Plan B if Samantha watches x movies per month. Graph each function and determine the number of monthly movies watched, x, that would make the two plans have an equal monthly cost.
Mathematics
1 answer:
WARRIOR [948]3 years ago
6 0

Answer:

Samantha would have to watch 4 Movies so x=4

Step-by-step explanation:

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(X-3)(2x^2+3x-4) please solve
Dmitry_Shevchenko [17]

Answer: Simplify your answer will be 2x^2 X + 3xX - 6x^2 - 4X _ 9x + 12

Step-by-step explanation: Multiply each term in the first expression by each term in the second expression and combine like terms.

7 0
3 years ago
Read 2 more answers
Two consecutive even whole numbers are selected. The difference between the reciprocals of the two numbers is 1/60. Determine th
sammy [17]

let the 2 numbers be x and x + 2
since they are 2 consecutive even numbers, the difference between them is 2
the difference between the reciprocals is 1/60 
\frac{1}{x+2} -  \frac{1}{x} =  \frac{1}{60}
we have to mulitply the 2 denominators x and (x+2) to get a common denominator for the 2 fractions 
\frac{x - (x+ 2)}{x(x+ 2)} = \frac{1}{60}
we can then remove the brackets from the numerator and denominator 
\frac{x-x+2}{ x^{2} +2x }  =  \frac{1}{60}
and then cross multiply
60 * 2 = x² + 2x
120 = x² + 2x
x² + 2x - 120 = 0
we have a quadratic equation which needs to be solved 
x² + 12x - 10x - 120 = 0
x (x + 12) - 10(x + 12) = 0
(x - 10) (x + 12) = 0
x - 10 = 0     or   x + 12 = 0
x = 10                x = -12
since we haven't been told if the whole numbers are positive or negative, 
2 numbers could be 10 and 12 
or
- 12 and - 10 
6 0
3 years ago
Evaluate 5a4 + 6b3 when a = 4 and b=-1​
Sophie [7]

Answer:

1,274

Step-by-step explanation:

5a^4 + 6b^3 when a = 4 and b = -1

~Substitute

5(4)^4 + 6(-1)^3

~Solve the exponents

5(256) + 6(-1)

~Multiply

1280 - 6

~Subtract

1,274

Best of Luck!

5 0
3 years ago
Write an equation for the nth term of the arithmetic sequence −15, −33, −51, −69, .... An equation for the nth term of the
stira [4]

Given:

The arithmetic sequence is −15, −33, −51, −69.

To find:

The nth term of the arithmetic sequence.

Solution:

We have,

−15, −33, −51, −69

Here,

First term: a = -15

Common difference is

d = -33-(-15)

d = -33+15

d = -18

Now, nth term  of an arithmetic sequence is

a_n=a+(n-1)d

Substitute a=-15 and d=-18.

a_n=-15+(n-1)(-18)

a_n=-15-18n+18

a_n=-18n+3

Therefore, the nth term of the given arithmetic sequence is a_n=-18n+3.

4 0
3 years ago
Can someone please solve this and explain how to solve it with all the steps
Irina18 [472]

Answer:

here this should be the answer

4 0
3 years ago
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