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Karolina [17]
3 years ago
5

Tom crossed the finish line 3.8 seconds after Steve. Steve finished the race in 45.1 seconds. If t represents Tom's race time, w

hich of the following equations is true? A. 45.1 – t = 3.8
B. 45.1 + t = 3.8
C. t – 3.8 = 45.1
D. t + 3.8 = 45.1
Mathematics
2 answers:
icang [17]3 years ago
4 0
B is the correct answer not totally sure tho hope this helps
Irina-Kira [14]3 years ago
3 0

Answer:

the answer is C.

Step-by-step explanation:

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CAN SOMEONE PLEASE HELP ME!!!!
padilas [110]

Answer:

The third answer aka C

Step-by-step explanation:

6 0
3 years ago
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Which expressions are equivalent to this expression?
Deffense [45]

4x+4

factor

4(x+1)

2(2x+2)

x+3x+42x+2x+1+3


Choices B,C,D

6 0
3 years ago
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there are eight girls competing in an ice skating competition,in how many ways can they finish in first,second, and third place?
Andreas93 [3]
<span>8! - 5! = (8 * 7 * 6 * 5 * 4 * 3 * 2 * 1) - (5 * 4 * 3 * 2 * 1) = 8 * 7 * 6 = 336 </span>


5 0
3 years ago
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PLEASE HELP ASAP!!!!
musickatia [10]
Let us model this problem with a polynomial function.

Let x =  day number (1,2,3,4, ...)
Let y = number of creatures colled on day x.

Because we have 5 data points, we shall use a 4th order polynomial of the form
y = a₁x⁴ + a₂x³ + a₃x² + a₄x + a₅

Substitute x=1,2, ..., 5 into y(x) to obtain the matrix equation
|   1     1    1    1    1  |  | a₁ |      | 42 |
| 2⁴  2³  2²  2¹  2⁰  |  | a₂ |      | 26 |
| 3⁴  3³  3²  3¹  3⁰   |  | a₃ |  =  | 61 |
| 4⁴  4³  4²  4¹  4⁰   |  | a₄ |      | 65 |
| 5⁴  5³  5²  5¹  5⁰  |  | a₅ |      | 56 |

When this matrix equation is solved in the calculator, we obtain
a₁ =      4.1667
a₂ =  -55.3333
a₃ =  253.3333
a₄ =  -451.1667
a₅ =   291.0000

Test the solution.
y(1) = 42  
y(2) = 26
y(3) = 61
y(4) = 65
y(5) = 56

The average for 5 days is (42+26+61+65+56)/5 = 50.
If Kathy collected 53 creatures instead of 56 on day 5, the average becomes
(42+26+61+65+53)/5 = 49.4.

Now predict values for days 5,7,8.
y(6) = 152
y(7) = 571
y(8) = 1631


3 0
3 years ago
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I need help with these please... anyone?
Svetlanka [38]
The total measure of the interior angles of each figure will be:

180 (n-2) = 180 (4 - 2) = 360

Now add all those angles and set them equal to 360.

41 + 133 + 86 + x = 360

x is the unknown angle.

260 + x = 360
x = 100

The missing angle that is Not labeled in any of the figure is 100°

Hope this helps :)
8 0
3 years ago
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