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pickupchik [31]
3 years ago
15

9. Solve. Your response must be in fraction form (fraction, improper fraction or mixed number) -3/5 + (-3/8)​

Mathematics
1 answer:
iogann1982 [59]3 years ago
5 0
The correct answer would be -39/40 :)
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A factory wants to fill a conical storage tank with sand. The tank has a height of 19.5 meters and a diameter of 30.7 meters
taurus [48]

9514 1404 393

Answer:

  4,811.49 m³

Step-by-step explanation:

The volume of a cone is computed using the formula ...

  V = (1/3)πr²h

Using the given numbers, we find the volume to be ...

  V = (1/3)π(15.35 m)²(19.5 m) = 1531.54625π m³ ≈ 4,811.49 m³

_____

<em>Additional comment</em>

If you inappropriately use 3.14 for π, you get a volume of 4809.06 m³. That 3-digit value is inappropriate because a value accurate to 6 significant figures or more is needed to support an answer accurate to 6 significant figures.

8 0
3 years ago
A small country had a population of 2,254,000 people in the year 2012. If the population grows steadily
Anuta_ua [19.1K]

Step-by-step explanation:

year 2012 population = 2,254,000*3.5%

= 78.89

each year up to 2020

so 2020 - 2012 =8

78.89*8 = 631

total population at end of 2020 =2,254,000 + 631

= 2,254631

6 0
3 years ago
The width of a rectangle is 2x + 4 and the length of the
iren [92.7K]

Given:

Width of a rectangle = 2x+4

Length of the rectangle = 6x+12

To find:

The ratio of the width to the length.

Solution:

We need to find the ratio of the width to the length.

\text{Required Ratio}=\dfrac{\text{Width}}{\text{Length}}

Putting the given values, we get

\text{Required Ratio}=\dfrac{2x+4}{6x+12}

\text{Required Ratio}=\dfrac{2(x+2)}{6(x+2)}

\text{Required Ratio}=\dfrac{2}{6}

\text{Required Ratio}=\dfrac{1}{3}

\text{Required Ratio}=1:3

Therefore, the ratio of the width to the length is 1:3.

8 0
3 years ago
Which of these groups of values plugged into the TVM Solver of a graphing calculator will return the amount of a 20-year loan wi
shutvik [7]

Answer:

C is the answer according to A P E X.

N=240;I%=19.2;PV=;PVT=-510;FV=0;

P/Y=12;C/Y=12;PMT:END

Step-by-step explanation:

A P E X

8 0
3 years ago
Write the name of the period that has the digits 913.
kherson [118]
The answer is in the thousands group
4 0
3 years ago
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