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andrey2020 [161]
3 years ago
7

Martene got a small aquarium for her birthday. the aquarium is a right rectangular prism 18.5cm long by 15cm wide. martene put 3

885 cm of water in the aquarium. how deep is the water in the aquarium?
Mathematics
2 answers:
shusha [124]3 years ago
7 0
3885 = 18.5 * 15 * height
The water is 14cm deep in the aquarium.
murzikaleks [220]3 years ago
5 0

Answer:

Depth of the water in the aquarium is 14 cm.

Step-by-step explanation:

Length and width of the aquarium is given as 18.5 cm and 15 cm

Amount of water in the aquarium = Volume of the rectangular prism

3885 = Length × Width × Height

3885 = 18.5×15×Height

3885 = 277.5 × h

h = \frac{3885}{277.5}

h = 14 cm

Therefore, Depth of the water in the aquarium is 14 cm.

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Answer:

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Step-by-step explanation:

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3 years ago
Please help me with this question. Thanks!
olasank [31]

Assuming that all the grapes have the same probability of being randomly picked:

  • a) 0.11
  • b)  0.24

<h3>How to find the probabilities?</h3>

We know that there are 8 green grapes and 15 red grapes on the bowl, so there is a total of 23 grapes.

a) Here we need to find the probability that both grapes are green. Remember that the probability of getting a green grape is equal to the quotient between the number of green grapes and the total number of grapes, this is:

P = 8/23

But then he must take another, because he already took one, the number of green grapes is 7, and the total number of grapes is 22, so for the second grape the probability is:

P' = 7/22.

The joint probability is the product of the two individual probabilities:

prob = (8/23)*(7/22) = 0.11

b) For the first green grape we know that the probability is:

P = 8/23

Then he must get a red grape. There are 15 red grapes and 22 grapes in total, so the probability is:

P' = 15/22

Then the joint probability is:

prob = (8/23)*(15/22) = 0.24

If you want to learn more about probability:

brainly.com/question/25870256

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8 0
2 years ago
At Jefferson Middle School, eighty-two students were asked which sports they plan to participate in for the coming year. Twenty
Lana71 [14]
I believe it would be 20
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3 years ago
Read 2 more answers
For each of the following vector fields
olga nikolaevna [1]

(A)

\dfrac{\partial f}{\partial x}=-16x+2y

\implies f(x,y)=-8x^2+2xy+g(y)

\implies\dfrac{\partial f}{\partial y}=2x+\dfrac{\mathrm dg}{\mathrm dy}=2x+10y

\implies\dfrac{\mathrm dg}{\mathrm dy}=10y

\implies g(y)=5y^2+C

\implies f(x,y)=\boxed{-8x^2+2xy+5y^2+C}

(B)

\dfrac{\partial f}{\partial x}=-8y

\implies f(x,y)=-8xy+g(y)

\implies\dfrac{\partial f}{\partial y}=-8x+\dfrac{\mathrm dg}{\mathrm dy}=-7x

\implies \dfrac{\mathrm dg}{\mathrm dy}=x

But we assume g(y) is a function of y alone, so there is not potential function here.

(C)

\dfrac{\partial f}{\partial x}=-8\sin y

\implies f(x,y)=-8x\sin y+g(x,y)

\implies\dfrac{\partial f}{\partial y}=-8x\cos y+\dfrac{\mathrm dg}{\mathrm dy}=4y-8x\cos y

\implies\dfrac{\mathrm dg}{\mathrm dy}=4y

\implies g(y)=2y^2+C

\implies f(x,y)=\boxed{-8x\sin y+2y^2+C}

For (A) and (C), we have f(0,0)=0, which makes C=0 for both.

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3 years ago
Kyle's mom gave him $25 for the carnival. If his
dimulka [17.4K]
8+0.75x=25
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