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Neko [114]
2 years ago
5

2. Hannah's pay varies directly to the number of hours she works. If she made $231 for 28 hours of work, identify the constant o

f variation and write an equation to represent the relationship.​
Mathematics
1 answer:
Tems11 [23]2 years ago
6 0

Answer:

Constant of variation: $8.25

Equation: y=8.25x

Step-by-step explanation:

231/28=8.25

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See explaination

Step-by-step explanation:

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I need 33. B) find the exact time when the radius reaches 10 inches<br><br> 100 points! Plz help
stealth61 [152]

Step-by-step explanation:

You have found a function r(V(t)). We can see that this function is a one variable function. The variable is time.

So in this specific function we can call r(v(t)), r(t).

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If α is the moment that the radius is 10 inches and since the function above gives radius in inches we have to solve the equation:

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Which is the same as:

\sqrt[3]{ \frac{3 \times (10 + 20 \alpha )}{4\pi} }  = 10 \\  \frac{3 \times (10 + 20 \alpha )}{4\pi}  = 1000 \\ (10 + 20 \alpha ) =  \frac{4000\pi}{3}  \\ 20 \alpha  =  \frac{(4000\pi - 30)}{3} \\  \alpha  =  \frac{(4000\pi - 30)}{60}

3 0
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Kitty [74]

Answer:

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<em>QZ/ST=PZ/RT</em>

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<em>48/3=16</em>

16=PZ.

3Step-by-step explanation:

7 0
3 years ago
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