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egoroff_w [7]
2 years ago
5

a map has a scale of 2in: 6mi. if a two twons on a map is 10 in apart then how far apart are the real twons

Mathematics
1 answer:
Brilliant_brown [7]2 years ago
7 0

Answer:  30 miles

Work Shown:

2 in : 6 mi

5*2 in : 5*6 mi

10 in : 30 mi

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Dafna11 [192]

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4 0
3 years ago
If you add 21 to my number and then multiply the result by 3, you will get 84 more than two-thirds of my number. Find my number.
Ksivusya [100]

Based on the calculations, the unknown number is equal to \frac{-45}{7}

  • Let the unknown number be x.

<h3>How to find an unknown number:</h3>

Translate the word problem into an algebraic expression, we have;

Adding 21 to the unknown number:

21 +x

Multiplying the result by 3:

3\times (21+x)

84 more than two-thirds of the unknown number:

\frac{2x}{3} +84

Equating the equations, we have:

3\times (21+x) = \frac{2x}{3} +84\\\\43+3x=\frac{2x}{3} +84

Cross-multiplying, we have:

43+3x=\frac{2x}{3} +84\\\\129+9x=2x+84\\\\9x-2x=84-129\\\\7x=-45\\\\x=\frac{-45}{7}

Read more on word problems here: brainly.com/question/13170908

5 0
2 years ago
Which algebraic expression represents the quotient of seven and a number
Angelina_Jolie [31]

Answer:

7÷w=

Step-by-step explanation:

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6 0
3 years ago
Please help <br>Thank youu​
Rus_ich [418]
How this helps
The volume is 12pi

4 0
3 years ago
The graph of the sine curve below is of electromagnetic energy that represents indigo light:
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The answer is <span>f(x) = sin pi over 215x
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