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nikdorinn [45]
3 years ago
10

The scale factor for a scale drawing is __________ between two measures. A. the difference B. a ratio C. the distance D. the abs

olute value
Mathematics
1 answer:
gogolik [260]3 years ago
5 0
B. A ratio. Because a scale drawing is a smaller version of something
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I am a 3-digit number. If you switch my first and last digits, I decrease by 297. Also, my
malfutka [58]

Answer:

  • 865

Step-by-step explanation:

Let the 3-digit number is <u>abc</u> = 100a + 10b + c.

<u>We have:</u>

  • 100a + 10b + c - 100c - 10b - a = 297
  • b = a - 6
  • a = 2c - 2

<u>Simplify the first equation:</u>

  • 99a - 99c = 297
  • a - c = 3
  • a = c + 3

<u>Solve for c by substitution:</u>

  • 2c - 2 = c + 3
  • 2c - c = 3 + 2
  • c = 5

<u>Find a:</u>

  • a = 3 + 5 = 8

<u>Find b:</u>

  • b = 8 - 2 = 6

<u>The number is:</u>

  • 865
3 0
2 years ago
A random sample of n = 16 professors from a university has been selected; salaries have been plotted on the following Q-Q plot.
Semenov [28]

Answer:

The objective of the confidence interval is to give a range in which the real mean of the population is placed, with a degree of confidence given by the level of significance.

The conclusion we can make is that there is 95% of probability that the mean of the population (professor's average salary) is within $99,881 and $171,172.

Step-by-step explanation:

This is a case in which, from a sample os size n=16, a confidence interval is constructed.

The objective of the confidence interval is to give a range in which the real mean of the population is placed, with a degree of confidence given by the level of significance. In this case, the probability that the real mean is within the interval is 95%.

5 0
2 years ago
Please I BEG YOU! Find the ordered pair (x,y) if x+y=(5-x)+(5-y), x-y=(x-1)+(y-1).
qwelly [4]

Answer:

x=4, y=1

I think its that

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Which of the following is a rule for the geometric sequence 1,3,9,27...
antoniya [11.8K]

The rule would be : 3^x, where x starts at 0.

3^0 is 1,

3^1 is 3, because 3 one time is 3.

3^2 is 9, because 3x3 is 9.

3^3 is 27, because 3x3x3 is 27

Answer: 3^x

5 0
2 years ago
How do you sketch the angle in standard position and 40 degrees
katen-ka-za [31]
A 40 degree angle: go from the right positive side of the x-axis and go left (left is positive degrees) forty degrees, which is a little less than halfway in quadrant 1.
8 0
3 years ago
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