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LiRa [457]
3 years ago
13

8) 4.8.12.5.10. -17.

Mathematics
1 answer:
ASHA 777 [7]3 years ago
8 0

Answer:

1) 1     3     7     13    21     31     43  ( +2, +4, +6, +8, +10 и т.д.)

 

2) 255   127   63   31   15   7   3   (число -1, а затем полученное число :2)

 

3)92   46   44   22   20   10   8   4   (  :2, -2, :2, -2, :2, -2 и т.д.)                                   

 

4) 1   2   4   7   28   33    198 (+1, *2, +3, *4, +5, *6, +7, *8 и т.д)

5)3   7   6   7   9   7   12   7   15   7  (первое, третье, пятое и т.д. числа +3; между ними 7)

 

6) 6   8   11   13   16   18   21   23  (+2, +3, +2, +3 и т.д.)

 

7)1   4   8   13   19   26   34  43  (+3, +4, +5, +6, +7, +8 и т.д.)

 

8)128   64   32   16   8   4   2  (:2, :2, :2, :2 и т.д.)

9)3   4   8   17   33   58   94 (+1, +4, +9, +16, +25, +36 и т.д. (т.е. то, что прибавляется-увеличивается на                         +3, +5,  +7,  +9,   +11, и т.д.))

 

10)47   39   32   26   21   17   14   12  (-8, -7, -6, -5, -4, -3 и т.д.)

 

11)256   37   64   31   16   25   4   19  (первое, третье, пятое и т.д. числа :4; а второе, четвертое, шестое и т.д. числа -6)

 

12)5   9   13   17   21   25   29  (+4, +4, +4, +4, +4 и т.д.)

 

13)1   4   3   6   5   8   7   10  (+3, -1, +3, -1, +3, -1 и т.д.)

 

14)2   4   6   12   14   28   30   60   (*2, +2, *2, +2, *2, +2 и т.д.)

 

15)11   12   10   13   9   14   8   15  (+1, -2, +3, -4, +5, -6, +7, -8 и т.д.)

Step-by-step explanation:

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3 years ago
Please help ty:)
Vlada [557]

The quadratic function in standard form that passes through ( - 2, 0 ), ( 4, 18 ), and ( 10, 0 ) is y = ( - 1/2 ) x² + 4x + 10.

The standard form of a quadratic equation is given as:

ax² + bx + c = 0 where a, b, c are real numbers and a ≠ 0.

Now, the equation passes through ( - 2, 0 ).

y = ax² + bx + c

0 = 4a - 2b + c                                                                          ----------------(1)

The equation passes through ( 4, 18 ).

y = ax² + bx + c

18 = 16a + 4b + c                                                                      ----------------(2)

The equation passes through ( 10, 0 ).

y = ax² + bx + c

0 = 100a + 10b + c                                                                       ----------------(3)

Using the Gauss elimination method to solve the system of equations we get,

a = -1/2, b = 4, and c = 10

Hence, the quadratic equation will be:

y = ax² + bx + c

y = ( - 1/2 ) x² + 4x + 10

Learn more about quadratic function here:

brainly.com/question/5428105

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7 0
1 year ago
A car that has a wheel radius of 1.5 feet travels 30 miles in 45 minutes. How fast are the wheels spinning? Give your answer in
Natasha_Volkova [10]

Answer:

373.43 rev/min

Step-by-step explanation:

Given data

r= 1.5ft

v=30 miles per 45 minutes

convert miles per hour to ft per minute

=30miles/45 minutes* 5280ft/1 mile

=158400/45 minutes

v=3520 feet per minute

so

v=wr

substitute

3520= w*1.5

w= 3520/1.5

w=2346.66 rad/min

Convert to rev/min

=2346.66 rad/min*1rev/2*π rad

=2346.66/2*3.142

=2346.66/6.284

=373.43 rev/min

Hence the answer is 373.43 rev/min

8 0
3 years ago
EXPERT HELP: EXPLAIN THE ANSWER
Kipish [7]

Answer:

A

Step-by-step explanation:

A. The average height is greater since it has a higher mean, it <u>also</u><u> </u><u>vareis</u><u> </u><u> </u><u>less</u>

Why the others wouldn't make sense?

  • B. While the average height is greater, Vareity A has a smaller MAD so that means it is more consistent with it experiment results.
  • C is wrong, the minimum height of Vareity A is 16 , while Vareity B maximum height is 18. This means Maximum B was taller than Vareity A at one point.
  • D is wrong, Vareity A max height is 20 while Vareity b max height is 18. 20>18 so that is false
8 0
3 years ago
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