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Semmy [17]
3 years ago
7

Tom ordered some books online and spent a total of $75. Each book cost $6 and he paid a total of $3 for shipping. How many books

did he buy? (a) Write an equation that could be used to answer the question above. First, choose the appropriate form. Then, fill in the blanks with the numbers 75, 6, and 3. Let b represent the number of books. (b) Solve the equation in part (a) to find the number of books.
Mathematics
1 answer:
BaLLatris [955]3 years ago
5 0

Answer:

a)

_b+_=_

6B+3=75

B)

He ordered 12 books

Step-by-step explanation:

so each book (b) costs $6. he payed $75 total including the $3 shipping price

That gets us:

6b+3=75

6b=72

b=12

Therefore, Tom ordered 12 books

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The radius of a semicircle is 4 miles. What is the semicircle's area?
adell [148]

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8\pi miles or 25.133 miles

Step-by-step explanation:

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6 0
2 years ago
Which is the slope of the line y= -3x + 2?​
zavuch27 [327]

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7 0
3 years ago
6n + 9 = -3 - 21 - 6
denis23 [38]
6n+9=-3-21-6
subtract the numbers:-3-21-6=-30
6n+9=-30
subtract 9 from both sides
6n+9-9=-30-9
simplify
6n=-39
divide both sides by 6
\frac{6n}{6}= \frac{-39}{6}
n= \frac{-13}{6}
decimal n=-6.5
Hope this helps :)
3 0
3 years ago
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