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Harman [31]
3 years ago
11

What is the value of n so that the expression x^2 + 11x + n is a perfect trinomial?

Mathematics
1 answer:
lora16 [44]3 years ago
6 0
The answer is c) 30.25
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91% of the students lost the bingo game.What percent of the students won the game?
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9 percent won the game
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Which of the following inferences can you make?
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A vase has the shape of a rectangular prism. The inside of the vase is also a rectangular prism. What is the volume of the solid
saw5 [17]

Answer:

V_{s} = \frac{\pi}{4}\cdot D_{out}^{2} \cdot h -\frac{\pi}{4}\cdot (D_{out}-2\cdot t)^{2}\cdot (h-t)

Step-by-step explanation:

The geometric description of the vase is described in the image attached below. The volume of the solid part of the vase is:

V_{s} = V_{out} - V_{in}

V_{s} = \frac{\pi}{4}\cdot D_{out}^{2} \cdot h -\frac{\pi}{4}\cdot (D_{out}-2\cdot t)^{2}\cdot (h-t)

Where:

D_{out} - Outer diameter, in centimeters.

t - Vase thickness, in centimeters.

3 0
3 years ago
In 2012, the population of a city was 6.29 million. The exponential growth rate was
RoseWind [281]

9514 1404 393

Answer:

  a) P(t) = 6.29e^(0.0241t)

  b) P(6) ≈ 7.3 million

  c) 10 years

  d) 28.8 years

Step-by-step explanation:

a) You have written the equation.

  P(t) = 6.29·e^(0.0241·t)

__

b) 2018 is 6 years after 2012.

  P(6) = 6.29·e^(0.0241·6) ≈ 7.2686 ≈ 7.3 . . . million

__

c) We want t for ...

  8 = 6.29·e^(0.0241t)

  ln(8/6.29) = 0.0241t

  t = ln(8/6.29)/0.0241 ≈ 9.978 ≈ 10.0 . . . years

__

d) Along the same lines as the calculation in part (c), doubling time is ...

  t = ln(2)/0.0241 ≈ 28.7613 ≈ 28.8 . . . years

4 0
2 years ago
The product of 8/15, 6/5,1/3 is
Debora [2.8K]
Product is the result of multiplying the numbers, so the <span>product of 8/15, 6/5,1/3 means that we have to multiply the three numbers, like this:

\frac{8}{15} * \frac{6}{5} * \frac{1}{3}
let's make them into one fraction:
</span><span>
\frac{8*6*1}{15*5*3}


We can simplyfy:
</span>
<span>\frac{8*6}{15*5*3}

</span>
<span>\frac{8*2}{15*5}

and multiply:
</span>
<span>\frac{16}{75}

and this is the correct answer!</span>




3 0
3 years ago
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