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just olya [345]
2 years ago
9

What is the value of the expression below? (3 1/2 - 9 3/4) ÷ (-2.5)

Mathematics
1 answer:
Alexandra [31]2 years ago
5 0

Answer:

2.5

Step-by-step explanation:

3 1/2 - 9 3/4 =

3 2/4 - 9 3/4 = -6 1/4

-6 1/4 = -6.25 ÷ (-2.5) = 2.5

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I need help answering this question, Asap
Natasha2012 [34]

Answer:

(-65)/17

Step-by-step explanation:

Evaluate 3/(x - 2) - sqrt(x - 3) where x = 19:

3/(x - 2) - sqrt(x - 3) = 3/(19 - 2) - sqrt(19 - 3)

19 - 3 = 16:

3/(19 - 2) - sqrt(16)

19 - 2 = 17:

3/17 - sqrt(16)

sqrt(16) = sqrt(2^4) = 2^2:

3/17 - 2^2

2^2 = 4:

3/17 - 4

Put 3/17 - 4 over the common denominator 17. 3/17 - 4 = 3/17 + (17 (-4))/17:

3/17 - (4×17)/17

17 (-4) = -68:

3/17 + (-68)/17

3/17 - 68/17 = (3 - 68)/17:

(3 - 68)/17

3 - 68 = -65:

Answer: (-65)/17

4 0
3 years ago
Read 2 more answers
What is the inerquartile of the data set [40,48,62,40,25,50,20 30
Zanzabum
You just find the quartiles which are 62 and 50 the mines them which equals 12.

5 0
3 years ago
Read 2 more answers
Write an equation for the line below.
Dmitry_Shevchenko [17]

Answer:

  x = 3

Step-by-step explanation:

A vertical line has the form x = constant. The graph shows the constant you want is 3.

4 0
3 years ago
Which number can each term of the equation be multiplied by to eliminate the fractions before solving
zhuklara [117]

Answer:

Answer D:  12

Step-by-step explanation:

Three distinct denominators are shown here:  4, 3 and 2.  The LCD is 12.

This corresponds to answer D.

4 0
3 years ago
Division of Labor:
ki77a [65]

Answer:

16

Step-by-step explanation:

4 0
2 years ago
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