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vazorg [7]
3 years ago
15

7 over 8 plus 4 over nine

Mathematics
1 answer:
Natasha2012 [34]3 years ago
6 0
(7/8) + (4/9) = 1.3194
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2/x2-9 - 3x/ x2-5x+6 please show work
Luda [366]

Answer: -3x^3 - 7x^2 - x + 39

Step-by-step explanation:

2/(x^2 -9) - 3x/(x^2-5x+6)

get those denominators factored out

2/(x-3)(x+3) - 3x/(x-3)(x-2)

Multiply both by both denominators

2(x-3)(x-2) - 3x(x-3)(x+3)

Multiply it out

(2x^2 - 10x + 12) - (3x^3 + 9x^2 -9x - 27)

Simplify and it becomes

-3x^3 -7x^2 -x + 39

5 0
3 years ago
A train goes 10 miles per hour. How far does it travel in 4 hours
iren [92.7K]

Answer:

40 mph

Step-by-step explanation:

10 miles*4 hours = 40 miles

8 0
3 years ago
What is the period of the cosecant function graphed below?
telo118 [61]
Step-by-step explanation: The cosecant function is graphed in the given figure. we are to find the period of the function.
The period of a function is the distance travelled by the curve of the function in one complete revolution.
We can see that in the given figure, the distance between two consecutive points is given by

Therefore, the period of the cosecant function is
Thus, the correct option is (B) \pi.
4 0
2 years ago
Help please? I need it lol
ddd [48]

Answer:

Since magnesium = 2, and potassium = 1, magnesium is greater than potassium (2 > 1).

If we assign these elements letters, m and p respectively,

M > P

6 0
3 years ago
You have a part-time job. You work for 3 h on friday and 6 h on Saturday. You also receive an allowance of $20 per week. You ear
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8 dollars per hour because 92-20=72. That the allowance you earn per week. After that you divide 72/9 because you work 9 hours to get to 72 dollars.
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3 years ago
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