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DedPeter [7]
3 years ago
10

a pond at a hotel holds 4290 gallons. the groundskeeper drains the pond at a rate of 78 gallons per hour. how long will it take

to drain the pond
Mathematics
1 answer:
Studentka2010 [4]3 years ago
5 0
55 hours to drain it
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©<br> As an estimation we are told 5 miles is 8 km.<br> Convert 62.5 miles to km.
Gelneren [198K]

Answer:

100.584 KILOMETERS

Step-by-step explanation: cause i know it ❤

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The ratio of the number of cookies to the number of candies in different gift boxes is 5:7. Which table best shows the number of
V125BC [204]

Answer:

-------------------------------------------------------------------

Ratio

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cookies : candies

     5     :     7

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Multiply Ratio by 2

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cookies : candies

  5 x 2   :     7 x 2

     10    :      14

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Multiply Ratio by 3

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cookies : candies

  5 x 3   :     7 x 3

    15     :      21

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Multiply Ratio by 4

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cookies : candies

  5 x 4   :     7 x 4

    20     :     28

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Answer: C

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Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
What is the slope of the line in the following graph?<br><br> 1. 1/3<br> 2. 1/2<br> 3. 2<br> 4. 3
ioda

Answer:

<u>1. 1/3</u>

Step-by-step explanation:

Slope = Rise/run

=> It rises by 1, then runs by 3

=> Therefore, slope = 1/3

3 0
2 years ago
If sin a = - 4/5<br>and cos a &gt; 0, find tan a and sec a.​
Nina [5.8K]

Answer:

tan(a) = -4/3

sec(a) = 5/3

Step-by-step explanation:

sine is opposite over hypotenuse.  so no we have a triangle with a hypotenuse of 5 and an opposite side relative to some angle a of -4.  the hypotenuse is never negative.  

so draw a right triangle, mark one of the non right angles as a then the side opposite to that is -4 and the hypotenuse is 5.  use the pythagorean theorem to find the remaining angle.  The result could be positive or negative, but the questions specifically tells us we want the positive version.

b^2 + -4^2 = 5^2

b = 3

tangent is opposite over adjacent.  for a we know the opposite is 3now so tan(a) = -4/3

Now, secant is 1/cos, so lets find cos(a)

cos is adjacent over hypotenuse, and we jsut found the adjacent is 3.  so cos(a) = 3/5

Now 1/cos(a) = hypotenuse over adjacent so 5/3

7 0
3 years ago
Write a pair of numbers whose greatest common factor is 10 will give brainlist
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Answer:

20 and 10

Step-by-step explanation:

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3 years ago
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