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lara31 [8.8K]
2 years ago
9

2 of the people on a train have

Mathematics
1 answer:
Keith_Richards [23]2 years ago
5 0

Answer:

10

Step-by-step explanation:

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Which values are solutions to the inequality below? . . Check all that apply.. . x2 > 49. .
Marianna [84]
   
x^2 \ \textgreater \  49 \\  \\ 
x_{1,2} =  \pm \sqrt{49}  = \pm 7 \\  \\ 
\boxed{x \in (-\infty, ~-7)\bigcup (7,~ +\infty) }



6 0
3 years ago
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1. Use the quadratic, x? + 18x = 25 to answer the following questions.
makvit [3.9K]

Answer:

FIRST PROBLEM:

Exact Form:

x  =  25 /19

Decimal Form:

x =  1.31578947

Mixed Number Form:

x  =  1  6 /19

SECOND PROBLEM

Exact Form:

x  =  − 9  +  √ 106 ,  − 9  − √ 106

Decimal Form: x  =  1.29563014 ,  − 19.29563014

Step-by-step explanation:

5 0
3 years ago
What is the least common denominator for 13/108 and 23/233
Karo-lina-s [1.5K]
The first one stays the same as it does not simplify =108

and the second one is the sames as it does not simplify =233
6 0
3 years ago
Find the sum of 5x+y and (2xy + xy).
svetlana [45]

Answer:

6x^2y+2xy^2

Step-by-step explanation:

5x^2y + (2xy^2 + x^2y).

Combine like terms

6x^2y+2xy^2

4 0
3 years ago
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A number is double of another number. If the difference of the numbers is twenty find the numbers​
Ivanshal [37]

Answer:

20 and 40

Step-by-step explanation:

20 doubled is 40

The difference is 20

Hope this helps! :)

7 0
2 years ago
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