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Ede4ka [16]
3 years ago
9

Let y represent the total cost of publishing a book (in dollars). Let x represent the number of the copies of the book printed.

suppose that x and y are related by the equation 15x+1100=y
a) What is the change in total cost for each book printed?

b) What is the cost to get started (Before any books are printed)?
Mathematics
1 answer:
Oduvanchick [21]3 years ago
6 0
Im sorry idk this answer

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A conditional statement and it's_______ must always have the same truth value.
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Answer: C) Contrapositive

The original conditional is in the form "If P, then Q"
The contrapositive is in the form "If not Q, then not P"
You flip the order of P and Q, and you also negate each piece. The original conditional and contrapositive can be proven to have the same truth values through the use of a truth table. 
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Bill is h cm tall. Siena is 4cm taller than bill.Write down an expression in terms of h for siena's height in cm
meriva

Since Seina is 4cm taller, her height is h+4.




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Answer:

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Read 2 more answers
Sebastian swam laps every day in the community swimming pool. He swam 45 minutes each day, 5 days each week, for 12 weeks. In th
lord [1]

Answer:

\text{Average rate}=\frac{\text{40 laps}}{\text{ hour}}

Step-by-step explanation:

Please consider the complete question.

Sebastian swan laps every day in the community swimming pool. He swam 45 minutes each day, 5 days each week, for 12 weeks. In that time, he swam 1800 laps. What was his average rate in laps per hour?    

Let us convert time taken into hours as:

\text{Days}=5\times 12=60

\text{Minutes}=60\times 45

1 hour = 60 minutes. To convert minutes into hours, we will divide total minutes by 60.

\text{Hours}=\frac{60\times 45}{60}=45

Now, we will divide 1800 by 45 to find average rate in laps per hour as:

\text{Average rate}=\frac{\text{1800 laps}}{\text{45 hours}}

\text{Average rate}=\frac{\text{40 laps}}{\text{ hour}}

Therefore, Sebastian's average rate is 40 laps per hour.

6 0
2 years ago
What is –36° converted to radians?
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let's recall that there are 180° in π radians, thus


\bf \begin{array}{ccll} degrees&radians\\ \cline{1-2} 180&\pi \\ -36&x \end{array}\implies \cfrac{180}{-36}=\cfrac{\pi }{x}\implies -5=\cfrac{\pi }{x}\implies x=\cfrac{\pi }{-5}\implies x=-\cfrac{\pi }{5}

4 0
3 years ago
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