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olganol [36]
3 years ago
10

PLEASE HELP ASAP I NEED THIS!

Mathematics
1 answer:
Misha Larkins [42]3 years ago
3 0

Answer:

it would be A

Step-by-step explanation:

Because Coaster A is TWICE as large as coaster B 15+15 is 30

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What happens to the standard deviation of the average of a sample as the sample size increases? Group of answer choices It gets
NeX [460]

Answer:

Gets smaller

Step-by-step explanation:

- The standard deviation is the quantification of spread of data. According to descriptive statistics the standard deviation s is given by:

                             s = Σ (  x - u ) / sqrt ( n )

Where, n : sample size

            u : Mean value

- So we see that standard deviation (s) is inversely proportional to square root of sample size (n).

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3 years ago
Which expression is equivalent to 2(3g – 4) - (8g + 3)?
Brilliant_brown [7]

Answer:

The Answer is D

Step-by-step explanation:

8 0
3 years ago
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Landon bought 4 pounds of walnuts for $10.92. What is the constant of proportionality that relates the cost in dollars, y, to th
Lunna [17]

Step-by-step explanation:

The constant of proportionality is the ratio of the cost to the number of pounds of walnuts.  In other words, it is the price of one pound of walnuts.

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6 0
3 years ago
Robert says 12 divide by 3//4 = 9. He used the following steps: 12/1 × 3/4 = 36/4 What error did Robert make? A. Robert used sub
wlad13 [49]

Answer:

C and D are the same answers but one of those.

Step-by-step explanation:

Um, I got what Robert got, so by process of elimination, it must be C or D. I used multiplication, so it wasn't subtraction or addition. Meaning whatever a reciprocal is, I didn't do that.

8 0
2 years ago
Please help ASAP I will mark brainlest
morpeh [17]

Answer:

Answer C is the only one in function notation.

Step-by-step explanation:

To find something in function notation, we look for 2 different criteria.

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  • On the right side, the variable being used must match that from the left side.

Since C is the only one that satisfies both of those needs, we know it is the answer.

3 0
3 years ago
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