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Shalnov [3]
1 year ago
10

About 400,000 people visited an art museum in December. What could be the exact number of people who visited the art museum

Mathematics
2 answers:
Zigmanuir [339]1 year ago
8 0
The answer is 359,572
Guest
1 year ago
it is 359,572
slega [8]1 year ago
3 0

Answer:

From 350,000 to 449,000

Step-by-step explanation:

Here, the given number,

400,000

Since, a number is rounded to 400,000 if it is between 350,000 to 449,000 including 350,000 and 449,000

Because, a number having 3 in hundred thousand place is rounded to 400,000, if the ten thousand digit of the number is 5 or more than 5,

Also, a number having 4 in hundred thousand place is rounded to 400,000, if the ten thousand digit of the number is less than 5,

Hence, the possible exact number of people who visited the art museum would be,

From 350,000 to 449,000

Guest
1 year ago
it is 359,572
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Tema [17]
The result of adding 255 and 15 is;

255 + 15 = 270


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2 years ago
Find the area of the part of the plane 5x + 4y + z = 20 that lies in the first octant.
BlackZzzverrR [31]
This part of the plane is a triangle. Call it \mathcal S. We can find the intercepts by setting two variables to 0 simultaneously; we'd find, for instance, that y=z=0 means 5x=20\implies x=4, so that (4, 0, 0) is one vertex of the triangle. Similarly, we'd find that (0, 5, 0) and (0, 0, 20) are the other two vertices.

Next, we can parameterize the surface by

\mathbf s(u,v)=\langle4(1-u)(1-v),5u(1-v),20v\rangle

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\mathrm dS=\|\mathbf s_u\times\mathbf s_v\|=20\sqrt{42}(1-v)\,\mathrm du\,\mathrm dv

Then the area of \mathcal S is given by the surface integral

\displaystyle\iint_{\mathcal S}\mathrm dS=20\sqrt{42}\int_{u=0}^{u=1}\int_{v=0}^{v=1}(1-v)\,\mathrm dv\,\mathrm du
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3 0
2 years ago
The ice cream Palace received 3 gallons of strawberry ice cream, 5 pints of mocha ice cream, and 1 quart of vanilla ice cream to
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For which function does f decrease by 15% every time x increases by 1
LenaWriter [7]

Answer:

f(x) = 0.85^{x}

Step-by-step explanation:

The exponential function that decrease by 15% every time x increases by 1 is given by:

f(x) =  {(1 - 0.15)}^{x}

We simplify the parenthesis to get:

f(x) = 0.85^{x}

Therefore the decrease by 15% every time x increases by 1 is

f(x) =  {0.85}^{x}

The second choice is correct.

7 0
2 years ago
As part of a class project, a university student surveyed the students in the cafeteria lunch line to look for a relationship be
Vedmedyk [2.9K]

Answer:

0.63

Step-by-step explanation:

To get the relative frequency of students with red hair, we need to find the relative frequency of students with red hair from the students with gray eyes.

Since we already know that the total number of students with gray eyes is 35 and the number of red hair students with gray eye is 22

The formula we will use to calculate the relative frequency will be

The relative frequency of students with red hair = Total students of red hair with gray eyes divide by total number of gray eye students

22 ÷ 35 = 0.628  ≅ 0.63

6 1
2 years ago
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