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pshichka [43]
3 years ago
12

the aquarium has 30 times as many fish in one tank as jacob had. the aquarium has 90 fish. how many fish does jacob have

Mathematics
1 answer:
Stolb23 [73]3 years ago
8 0
Jacob has three fish.
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A pound of coffee beans yields 60 cups of coffee (4 cups = 1 qt). how many milliliters of coffee can be obtained from 1.0 g of c
kari74 [83]
We can easily convert grams to pounds and find that 1 g of coffee beans is 0.00220462 pounds. Now we can multiply that value with 60 cups to find how many cups it makes.

We find that it makes 0.1322772 cups.

Then we know that 236.588 milliliters are in a cup. We multiply the value of the coffee available with 1 g of coffee beans (in cups - of course) and get the value the question asked :

0.1322772 * 236.588 milliliters

The answer is 31.2951981936 milliliters!

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5 0
3 years ago
B³ - 3a⁵ = what is the answer or how simplified
ludmilkaskok [199]

Answer:

Nothing further can be done with this topic. its simplified already

Step-by-step explanation:

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71, 80, 82, 78, 80, 91, 107, 121, 125, 131, and 142. The variance of this data set is?
adoni [48]

Answer:

636.41818

Step-by-step explanation:

^2=∑=1(−⎯⎯⎯)2−1

^2=−1

^2=6364.181811−1

^2=6364.181810

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7 0
3 years ago
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igor_vitrenko [27]

Answer:

Side A = 11

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I added an image that shows what I did in case you need it.

7 0
3 years ago
Water is pumped out of a 500-gallon tank at a rate of 2.5 gallons per second. The inequality 500−2.5t<100 can be used to dete
kherson [118]

Answer:

160\ \text{s}

Step-by-step explanation:

The inequality that represents the situation is

500-2.5t where t is the time in seconds

\Rightarrow -2.5t

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\Rightarrow t>\dfrac{400}{2.5}

\Rightarrow t>160\ \text{s}

So, the time after which there will be less than 100 gallons of water is 160\ \text{s}.

7 0
3 years ago
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