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Bumek [7]
2 years ago
5

Is anyone good at range?

Mathematics
2 answers:
scoray [572]2 years ago
5 0
Hello,

adding 45 and 23, with these 2 datas, the range is already >=22.(45-23)

The new range cannot be 21
Answer A

Ivenika [448]2 years ago
3 0
To find the range you have to put the numbers from least to greatest ..... Then find the difference between the greatest and least number Example: 1,18,3,5......... 1,3,5,18......... 18-1=17 Hope it helped remember put #'s in order ..... Subtract least and greatest number
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The sum of three numbers is 26. Twice the first minus the second is the third less 2. The third is the second minus 3 times the
Agata [3.3K]

Let a, b, c represent the three numbers. The problem statement gives rise to three equations:

  • a +b +c = 26
  • 2a -b = c -2
  • -3a +b = c

Adding the first two equations gives

... (a +b +c) +(2a -b) = (26) +(c -2)

... 3a +c = 24 +c . . . . . simplify

... 3a = 24 . . . . . . . . . . subtract c

... a = 8 . . . . . . . . . . . . divide by 3

Adding the second and third equations gives ...

... (2a -b) +(-3a +b) = (c -2) +(c)

... -a = 2c -2 . . . . simplify

... -6 = 2c . . . . . . add 2, substitute for a

... -3 = c . . . . . . . . divide by 2

Using the third equation we can find b.

... -3·8 +b = -3 . . . . substitute for a and c

... b = 21 . . . . . . . . .add 24

The numbers are 8, 21, -3.

_____

The method above is sort of "ad hoc", taking advantage of the numbers in this particular set of equations. You can use more formal methods of Gaussian elimination or Cramer's Rule to solve these by just following a procedure. Or, your graphing calculator can do it for you.

6 0
3 years ago
What is the measure of angle 2 in degrees?
earnstyle [38]

Answer:

The measure of angle 2 is... 60 degrees.

Angle 1 - 93 degrees

Angle 2 - 60 degrees

Angle 3 - 27 degrees

8 0
2 years ago
Simplify the following expression: 2(3g-4)-(8g+3)
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(6g-8) - (8g+3)

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If the price after the discount is subtracted is $96.25 then this is what you do

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but if you are just trying to get the discount from 96.25 you subtract 38.5 from 96.25

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alexandr402 [8]

Answer:

Some of the 50 students should have been assigned to a control group that used the in-person course

Step-by-step explanation:

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