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Crank
3 years ago
15

It takes 2.5 hours to fill the pool with 1,625 gallons or wate,

Mathematics
2 answers:
Ivahew [28]3 years ago
8 0

Answer:

650

Step-by-step explanation:

Volume of water = 1,625 gal

time taken to fill pool with 1,625 gal of water = 2.5 hrs

unit rate = number of gals in pool in 1 hour = 1,625 ÷ 2.5 = 650 gal (answer)

morpeh [17]3 years ago
6 0

Answer:

650/per hour

Step-by-step explanation:

I got this answer by dividing 1,625 by the amount of hours it took to fill that much water, 2.5 so basically i divided 1,625/2.5 to get my answer.  

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Solving an exponential equation
sammy [17]

Answer:

To solve an exponential equation, take the log of both sides, and solve for the variable.

Step-by-step explanation:

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Solution:

Step 1: Take the natural log of both sides:

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Step 2: Simplify the left side of the above equation using Logarithmic Rule 3:

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Step 3: Simplify the left side of the above equation: Since Ln(e)=1, the equation reads

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Ln(80) is the exact answer and x=4.38202663467 is an approximate answer because we have rounded the value of Ln(80)..

Check: Check your answer in the original equation.

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8 0
3 years ago
3. What are the intersection points of the line whose equation is y=3x +3 and the
densk [106]

Answer:

Points of intersection of these graphs are (-2, -3) and (0.6, 4.8).

Step-by-step explanation:

Equation of the circle → (x - 2)² + y² = 25 ---------(1)

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By comparing this equation with the standard equation of the circle,

(x - a)² + (y - b)²= r²

Here (a, b) is the center and r is the radius of the circle.

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By graphing these equations we can get the point of intersections.

Solving these equations algebraically,

Substitute the value of y from equation (2) in the equation (1),

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x = \frac{-7\pm \sqrt{7^2-4(5)(-6)}}{2(5)}

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From equation (2),

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Therefore, points of intersection of these graphs are (-2, -3) and (0.6, 4.8).

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