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lilavasa [31]
3 years ago
15

WILL GIVE BRAINLIST PLZ ANSWER THX

Mathematics
2 answers:
HACTEHA [7]3 years ago
4 0
The person above me is correct I got it right
Rudik [331]3 years ago
3 0

Answer:

c=4.95+3.99b

Step-by-step explanation:

4.95 is the monthly fee. we do not need a variable for this because we know what it is and it only happens once in the problem. the b is how many movies you purchase times 3.99

You might be interested in
What is the inverse of function F f(x) 3-x/7
algol [13]

Answer: f^-1(x)=-7x+3 maybe ? i think

Step-by-step explanation:

8 0
3 years ago
Nobody even helps on this app anymore it’s so annoying :(
son4ous [18]

Answer:

Sometimes it does take time but then yet again it can take weeks to get an answer depending on the question.

Step-by-step explanation:

<u><em>EXAMPLE: </em></u>Forenisc Science Questions that are usually under Biology. I saw someone that put up this answer and hasn't gotten a response in a whole week until I actually took the test and gave him/her the answer. It even happens to me. I have many answers that have not been answered but I get used to it :( Have a good one! :)    

8 0
3 years ago
Please answer right away
Rufina [12.5K]

Answer:

The answer is 295.

Step-by-step explanation:

If you divided each volume by the number of the jelly beans, it is 2.5

Hope it helped you!

3 0
3 years ago
2. Carl needs 15 hours longer than Jennifer to paint a room. If they work together, they can complete the job in 4 hours. Explai
nasty-shy [4]

Answer:

Jennifer would complete the job on her own in 5 hours.

Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

ax^{2} + bx + c, a\neq0.

This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = a(x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\Delta}}{2*a}

x_{2} = \frac{-b - \sqrt{\Delta}}{2*a}

\Delta = b^{2} - 4ac

Rates

The together rate is the sum of their separates rate.

We have that:

Jennifer takes x hours to complete the job on her own, so her rate is 1/x.

Carl needs 15 hours longer than Jennifer, that is, 15 + x hours, so his rate is 1/(15+x).

The together rate is 1/4. So

\frac{1}{4} = \frac{1}{x} + \frac{1}{15+x}

\frac{1}{4} = \frac{15 + x + x}{x(15+x)}

\frac{1}{4} = \frac{15 + 2x}{x(15+x)}

Applying cross multiplication.

x^2 + 15x = 4(15 + 2x)

x^2 + 15x = 60 + 8x

x^2 + 7x - 60 = 0

Quadratic equation with a = 1, b = 7, c = -60. So

\Delta = 7^{2} - 4*1*60 = 289

x_{1} = \frac{-7 + \sqrt{289}}{2} = 5

x_{2} = \frac{-7 - \sqrt{289}}{2} = -12

Since the time to complete the job has to be a positive value.

Jennifer would complete the job on her own in 5 hours.

4 0
3 years ago
PLS HELP WILL MARK BRAINLIEST!
elena-s [515]

More than means addition.

C is the correct option.

= (2x + 4) + 9 - 4y + 3x

= 2x + 4 + 9 - 4y + 3x

= 5x + 13 - 4y

= 5x - 4y + 13

7 0
2 years ago
Read 2 more answers
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