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Goryan [66]
3 years ago
14

Please help I have to turn this in by the end of the night

Mathematics
2 answers:
andriy [413]3 years ago
6 0
The answer is 25.


Explanation:
Sergio [31]3 years ago
4 0

Answer:

25

Step-by-step explanation:

10x40%+25x84%=25

btw,you have a lot of questions tonight

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How many solutions does 5(x-3)+6=5x-9 have?​
bixtya [17]

Answer:

infinite solutions

Step-by-step explanation:

distribute--- 5x-15+6=5x-9

simplify--- 5x-9=5x-9

4 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Leona [35]

Answer:

1 and 4 are correct. 2 and 3 are not.

Step-by-step explanation:

1.

When x = 0 where does the horse start?

y = 1.5*sin(0 + 0.5)*2*pi + 1.5

y = 1.5*sin(0.5*2pi) + 1.5

y = 1.5*sin(pi) + 1.5 But sin pi = 0

y = 0 + 1.5 So the horse is starting at the midpoint of it's travel.

2.

This one is a trick question. You can reason it without exact answers. At some point the sin(x + 0.5)*2pi will equal 1. When it does 1.5 * 1 + 1.5 = 3.0 At some other point sin(x + 0.5)*2pi = -1. When that happens the whole thing goes to 0. So the total of the distance traveled is 6 not three.

3.

You can figure this one out by letting x = 0.01 When it does then the value of the function is

y = 1.5*sin [(0.01 + 0.5)*2pi] + 1.5

y = 1.5*sin(0.51*2*pi) + 1.5

y = 1.5*sin(3.204424) + 1.5

y = 1.5*(- .0623) + 1.5

y = -0.9418 + 1.5

y = 1.4058 so it is going downward The value is getting smaller.

4.

The horse starts out in the middle of the pole. What  does x need to equal so that x + 0.5 = 1 ? And why 1. The answer to why 1 is that then the sine function will equal sin(2*pi)

That happens when x = 0.5 which is 1/2 a minute. If it takes 1/2 a minute to execute 1 complete cycle, then in 5 minutes the cycle will be executed 10 times. This one is correct.


6 0
3 years ago
The right triangle on the right is a scaled
Whitepunk [10]

Answer:

The scale factor is 3.5

6 0
3 years ago
Help meeeee!!!!!!!!!!! Also I have more of these sooo
Daniel [21]

x would be 6 because you double 5 to get ten, so you double 3 to get 6

8 0
3 years ago
The probability of a chance event is 0.3, it is
Irina18 [472]

Answer:

less likely

Step-by-step explanation:

Lower probability = lower chance to happen

0.3 is less than 0.4

4 0
3 years ago
Read 2 more answers
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