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BlackZzzverrR [31]
3 years ago
14

Can you please help with this

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0

Answer:

Exercise 1 : a. 4 ; b. -4

Exercise 2 : a. +7 positive/right ; b. -7 ; c. -7 negative/left

Step-by-step explanation:

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The answer is 42 inches

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a small airplane flies 625 miles with an average speed of 250 mph.. 1.25 hours after the plane leaves a boeing 747 leaves from t
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Time for first plane = 625 / 250
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after 1.25 hours
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3 years ago
The sum of three consecutive odd numbers is 111. What are the numbers?
Mama L [17]

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Step-by-step explanation:

7 0
3 years ago
Please I need this quick!!! 15 points
professor190 [17]
Let the number be n.

Then:

n^2 + (1/n)^2 = 82/9; find n.  Find the LCD; it is 9n^2.

Mult all 3 terms by 9n^2:
                                                                  82*9n^2
9n^4 + 9 = (82/9)(9n^2)  =>    9n^4 + 9 = ------------  
                                                                        9
Then 9n^4 - 82n^2 + 9 = 0

I used my graphing calculator to find that n = 3.  

Let's check:     is 3^2 + (1/3)^2 = 82/9?
                        Is   9   + 1/9 = 82/9?
                        Is  81 + 1 = 82?   YES.  So, n=3 is a solution.

7 0
3 years ago
Is 0.790 greater than or equal to 0.79?
dedylja [7]

It's the same vallue. If they were different, i could argue that 2.000 is greater than 2.00. Impossible, because 2 is equal to 2.

8 0
3 years ago
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