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il63 [147K]
3 years ago
6

Stephanie is comparing web sites for downloading music. One charges a $5 membership fee plus $0.50 per song. Another charges $1.

00 per song but no membership fee. Which of the following shows the correct equation to find how many songs Stephanie would have to buy to spend the same amount on both web sites?
Mathematics
1 answer:
Mademuasel [1]3 years ago
3 0

Answer:

0.50x+5=Website A

1.00x=Website B.

Step-by-step explanation:

She would need to buy 10 songs to have them equal the same.

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grigory [225]

Answer:

5

Step-by-step explanation:

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3 years ago
Multiply.
Nady [450]

\boxed{3\sqrt{22}\sqrt{58}\sqrt{18}=18\sqrt{638}}

<h2>Explanation:</h2>

Here we have the following expression:

3\sqrt{22}\sqrt{58}\sqrt{18}

So we need to simplify that radical expression. By property of radicals we know that:

\sqrt[n]{a}\sqrt[n]{b}=\sqrt[n]{ab}

So:

3\sqrt{22}\sqrt{58}\sqrt{18}=3\sqrt{22\times 58 \times 18}=3\sqrt{22968}

The prime factorization of 22968 is:

22968=2^3\cdot 3^2\cdot11\cdot 29

Hence:

3\sqrt{22968}=3\sqrt{2^3\cdot 3^2\cdot11\cdot 29}=3\sqrt{2^2\cdot 3^2\cdot 2\cdot 11\cdot 29}

By property:

\sqrt[n]{a^n}=a

So:

3\sqrt{2^2\cdot 3^2\cdot 2\cdot 11\cdot 29} \\ \\ 3(2)(3)\sqrt{2\cdot 11\cdot 29}=18\sqrt{638}

Finally:

\boxed{3\sqrt{22}\sqrt{58}\sqrt{18}=18\sqrt{638}}

<h2>Learn more:</h2>

Radical expressions: brainly.com/question/13452541

#LearnWithBrainly

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3 years ago
Picture question middle school math
ludmilkaskok [199]

Answer:

<h2>\huge \: b) \: 59 \: i {n}^{2}</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about</h3>
  • area of triangles
  • area of rectangle
  • PEMDAS
<h3>tips and formulas:</h3>
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<h3>let's solve:</h3>

the area of the rectangle is

4×7 in²

28 in²

the area of above triangle is

½×6×7 in²

3×7 in²

21 in²

the area of left side triangle is

½×5×4 in²

2×5 in²

10 in²

therefore,

the area of the polygon is

28+21+10 in²

<h3>59 in²</h3>

6 0
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there</span></span></span>
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