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Dima020 [189]
3 years ago
6

What is the expressions of 2/5and5/2?

Mathematics
1 answer:
ladessa [460]3 years ago
4 0
Inversely proportional representation
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What is the solution to8(5-r)/5=-2r
Dmitry [639]

Expand 8(5-r)/5=-2r as indicated: 40 - 8r

----------- = - 2r

5

Multiply both sides by 5, obtaining 40 - 8r = - 10r

Combine like terms: 40 = - 2r

Divide both sides by -2: -20 = r

The solution to 8(5-r)/5=-2r is -20. Verify this by subbing -20 for r in the given equation.

4 0
3 years ago
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Three vertices of a rectangle have coordinates (–6, 2), (–6,–1), and (4, 2).
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The correct answer would be C., I believe, because you take the opposite of the coordinate and subtract one. Hope this was helpful! (:
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Find the exact value of y.<br> V6<br> 45°
Lynna [10]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Ten times a number, x, is one-half the sum of the
vivado [14]
10x =  \frac{1}{2} (x+3)
8 0
3 years ago
The total cost ,c, of renting a Canoe for n hours can be represented by a system of equations. Write the system of equations tha
Brut [27]

Answer:  \left \{ {{c=28} \atop {c=3n+13}} \right.

Step-by-step explanation:

<h3> The missing data is: " The cost of renting a conoe to use on River Y costs $28. The cost of renting a conoe to use on River Z costs $3 per hour plus a $13 deposit".</h3>

Let's find the first equation.

You know that the cost of renting a conoe to use on River Y costs $28. This is:

c=28

To find the second equation you need to remember the Slope-Intercept form of a Linear equation. This is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

Since the cost of renting a conoe to use on River Z costs $3 per hour plus a $13 deposit, you can identify that:

m=3\\b=13

Therefore,  the equation that represents this situation is:

c=3n+13

So, the System of equations that could be used to find the total cost "c" of renting a canoe for "n" hours, is:

\left \{ {{c=28} \atop {c=3n+13}} \right.

8 0
3 years ago
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