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lozanna [386]
3 years ago
8

Helpppppppppppppppppppppppppppp

Mathematics
1 answer:
mash [69]3 years ago
5 0

Answer:a is 14, b is 70%, c is 250

Step-by-step explanation:

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Angle abd measures (4x+10). angle acd measures (5x-2). what is the measure of arc ad
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Answer:116

Step-by-step explanation: 5x-2=4x+10

x=12

double the angle to get the arc

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What is the tenth term of the geometric sequence that has a common ratio of 1/3 and 36 as its fifth term?
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I think its A but im not sure

Step-by-step explanation:

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The function h(t) = –16t2 + 96t + 6 represents an object projected into the air from a cannon. The maximum height reached by the
jolli1 [7]
If you've started pre-calculus, then you know that the derivative of  h(t)
is zero where h(t)  is maximum.

The derivative is            h'(t) = -32 t  +  96 .

At the maximum ...        h'(t) = 0

                                       32 t = 96 sec

                                           t  =  3 sec . 
___________________________________________

If you haven't had any calculus yet, then you don't know how to
take a derivative, and you don't know what it's good for anyway.

In that case, the question GIVES you the maximum height.
Just write it in place of  h(t), then solve the quadratic equation
and find out what  't'  must be at that height.

                                       150 ft = -16 t²  +  96  t  +  6 

Subtract 150ft from each side:    -16t²  +  96t  -  144  =  0 .

Before you attack that, you can divide each side by  -16,
making it a lot easier to handle:

                                                         t²  -  6t  +  9  =  0

I'm sure you can run with that equation now and solve it.    
The solution is the time after launch when the object reaches 150 ft.
It's 3 seconds.  
(Funny how the two widely different methods lead to the same answer.)

The answer is from AL2006

6 0
3 years ago
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