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marin [14]
2 years ago
10

A book costs b dollars and a magazine costs m dollars.

Mathematics
2 answers:
pshichka [43]2 years ago
6 0

Answer:

C = 5b + 3m

Step-by-step explanation:

Fittoniya [83]2 years ago
4 0

Answer:

5b + 3m

Step-by-step explanation:

If b represents the cost of a book, then 5b will represent the cost of 5 books

If m represents the cost of a magazine, then 3m will represent the cost of 3 magazines.

To create an expression for the total cost, add these terms together:

5b + 3m

So, the expression for the total cost is 5b + 3m

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Use the discriminant to describe the roots of each equation. Then select the best description.
Reil [10]
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8 0
3 years ago
-11+3(b+5)=7 what is b
evablogger [386]

Answer:

b=1

Step-by-step explanation:

-11+3(b+5)=7

-11+3b+15=7

-11+15+3b=7

4+3b=7

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hope it's helpful

8 0
2 years ago
Read 2 more answers
Find the value of x that makes this equation true, just write a number for your answer. Use / for writing fractions
Tcecarenko [31]

Answer:

1/15

Step-by-step explanation:

The first thing to do is to change both denominators so that they're the same. In this case, that would be 15.

Then, whatever you do to the denominator, you must also do to the numerator.

\frac{9}{15} + x = \frac{10}{15}

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6 0
3 years ago
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A circle has a radius of 10 inches. Find the approximate length of the arc intersected by a central angle of 2π/3
Aleksandr-060686 [28]

Answer: Option 'C' is correct.

Step-by-step explanation:

Since we have given that

Radius of circle = 10 inches

Central angle is given by

\frac{2\pi }{3}

As we know the formula for " Length of an arc " :

Length of arc is given by

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Hence, length of an arc is 20.95 inches.

Hence, Option 'C' is correct.

5 0
3 years ago
Read 2 more answers
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