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fiasKO [112]
2 years ago
10

At Northside ,40% of the sixth grade students said that hip-hop is their favorite kind of music. If 100 students are at the scho

ol ? Explain or show your reasoning
Mathematics
2 answers:
Anon25 [30]2 years ago
6 0

Answer:

Step-by-step explanation:

Here is the options

san4es73 [151]2 years ago
3 0

Answer:

40 Sixth grade students.

Step-by-step explanation:

First, I assume you are asking, "If 100 students are at the school how many like hip-hop?" That sentence seemed cut off.

Anyways, to answer this, we need to find 40% of 100.

40% = 0.40

100 × 0.40 = 40

40 students is 40% of 100 students, and therefore;

40 students like hip-hop.

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10. -0.12+0.16i


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3 years ago
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A rectangular tank with a square​ base, an open​ top, and a volume of 8 comma 7888,788 ft cubedft3 is to be constructed of sheet
Vlad [161]

Answer:

  26 ft square by 13 ft high

Step-by-step explanation:

The tank will have minimum surface area when opposite sides have the same total area as the square bottom. That is, their height is half their width. This makes the tank half a cube. Said cube would have a volume of ...

  2·(8788 ft^3) = (26 ft)^3

The square bottom of the tank is 26 ft square, and its height is 13 ft.

_____

<em>Solution using derivatives</em>

If x is the side length of the square bottom, the height is 8788/x^2 and the area is ...

  x^2 + 4x(8788/x^2) = x^2 +35152/x

The derivative of this is zero when area is minimized:

  2x -35152/x^2 = 0

  x^3 = 17576 = 26^3 . . . . . multiply by x^2/2, add 17576

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As the attached graph shows, a graphing calculator can also provide the solution.

5 0
3 years ago
I have no clue what the answer is​
spin [16.1K]

Answer:

Second option is the correct answer.

Step-by-step explanation:

\frac{2}{3} x - 5 > 3 \\  \\  \frac{2}{3} x  >  5 + 3\\  \\  \frac{2}{3} x  >  8 \\  \\ x > 8 \times  \frac{3}{2}  \\  \\ x > 12

7 0
2 years ago
Gavin needs $80 to buy a fish tank. He has saved $8 and plans to work as a babysitter to earn $9 per hour. Which inequality show
gavmur [86]

Answer:

<h2>n>8</h2>

Step-by-step explanation:

Step one:

given data

needed amount= $80

the amount already saved= $8

earnings per hour= $9

let the number of hours worked be n

and let y represent the total

the situation represented linearly is

y=mn+c

Step two:

substituting our data to find n

9n+8>80

9n>80-8

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divide both sides by 9

n>72/9

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Therefore he must work a minimum of  8houees

4 0
3 years ago
X^2-10x + y^2 + 6y – 30 = 0
pav-90 [236]

Answer:

(

5

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5

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Step-by-step explanation:

4 0
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