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topjm [15]
1 year ago
8

Sandy surveyed band students to determine the music for the school dance. Many students were unhappy with the selection. What mi

stake did Sandy make?
A. The sample should represent the entire student body.
B. The sample should include equal numbers of men and women.
C. The survey should include all music choices.
D. The survey should be shorter to encourage more participation.
Mathematics
1 answer:
saw5 [17]1 year ago
8 0

Answer: C.)The survey should include all music choices.

Step-by-step explanation: To be honest i'm not sure-.

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lord [1]

What it is asking is 8 times what equals 48. The best way to do this is by doing the opposite operation. 48 divided by 8 equals 6. Then if you put it in the other way you get 8(6)=48 which works out. So the answer is 6.

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3 years ago
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Gennadij [26K]

Answer:

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Step-by-step explanation:

to figure that out you have to do y^2 - y^1/ x^2 - x^1

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3 years ago
Identify the area of segment MNO to the nearest hundredth. HELP PLEASE!! I don't understand it!
katrin2010 [14]

Answer:

  13.98 in²

Step-by-step explanation:

I don't understand it, either.

Point N is part of a "segment" that above and to the right of chord MO. It is the sum of the areas of 3/4 of the circle and a right triangle with 7-inch sides. The larger segment MO to the upper right of chord MO has an area of about 139.95 in², which <u>is not</u> an answer choice.

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The remaining segment, to the lower left of chord MO does not seem to have anything to do with point N. However, its area is 13.98 in², which <u>is</u> an answer choice. Therefore, we think the question is about this segment, and we wonder why it is called MNO.

The area of a segment is given by the formula ...

  A = (1/2)(θ -sin(θ))r² . . . . . . where θ is the central angle in radians.

Here, we have θ = π/2, r = 7 in, so we can compute the area of the smaller segment MO as ...

  A = (1/2)(π/2 -sin(π/2))(7 in)² = 24.5(π/2 -1) in² ≈ 13.9845 in²

Rounded to hundredths, this is ...

  ≈ 13.98 in²

3 0
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Afina-wow [57]

Answer:

A = P (1 + rt)

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P = initial principal balance

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t = time (in years)

Step-by-step explanation: brainliest plz

8 0
2 years ago
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Tamiku [17]

Answer:

it gets  multiplied by the value of the root .that is just more concise way of writing it .

Step-by-step explanation:

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3 years ago
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