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sdas [7]
3 years ago
11

Someone please help me!!!!!!!

Mathematics
1 answer:
Mumz [18]3 years ago
7 0
(4 - -2) / (9 - 5) = 6/4 or 3/2
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Prove the following identity true. Show work.
yulyashka [42]

Answer:

The  Pythagorean identity states that

\sin^2 t + \cos^2 t = 1

Using that we can rewrite the left denominator as:

1 - \sin^2 t

Which can be factored as

(1 - \sin t)(1+ \sin t)

The numerator we can expand as:

(1 - \sin t)(1 - \sin t)

On the right hand side, let's multply numerator and denominator with (1 - sin t):

The total formula then becomes:

\dfrac{(1-\sin t)(1-\sin t)}{(1 - \sin t)(1 + \sin t)} = \dfrac{(1-\sin t)(1 - \sin t)}{(1+\sin t)(1 - \sin t)}

There you go... left and right are equal.

3 0
3 years ago
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Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE
EleoNora [17]

Answer:

0, 10

Step-by-step explanation:

The given function is:

g(y) = \frac{y-5}{y^2-3y+15}

According to the quotient rule:

d(\frac{f(y)}{h(y)})  = \frac{f(y)*h'(y)-h(y)*f'(y)}{h^2(y)}

Applying the quotient rule:

g(y) = \frac{y-5}{y^2-3y+15}\\g'(y)=\frac{(y-5)*(2y-3)-(y^2-3y+15)*(1)}{(y^2-3y+15)^2}

The values for which g'(y) are zero are the critical points:

g'(y)=0=\frac{(y-5)*(2y-3)-(y^2-3y+15)*(1)}{(y^2-3y+15)^2}\\(y-5)*(2y-3)-(y^2-3y+15)=0\\2y^2-3y-10y+15-y^2+3y-15\\y^2-10y=0\\y=\frac{10\pm \sqrt 100}{2}\\y_1=\frac{10-10}{2}= 0\\y_2=\frac{10+10}{2}=10

The critical values are y = 0 and y = 10.

5 0
3 years ago
What is the Domain of the given graph?<br> (0,2)<br><br><br> (-3,0)
MrRissso [65]

Answer:

dssds 8900

Step-by-step explanation:

dwdwdmunayaynd

7 0
3 years ago
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34.8 x 0.007 basic math
ra1l [238]
0.2436 is the answer
4 0
3 years ago
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WILL MARK BRAINLY! The population of a particular city is given by the function P(t) = 82,100(1.02), where t is the time in year
Tcecarenko [31]

Answer:

P(t) = 82,100(1.02)^t

 1.t is the time in years  

 

2.P(t) is the population after t years

 

3. 100%=1       102-100=2% so the interest rate is 2 %

   102%=1.02

 

4. after 15 year just put in term s of 't' (wich is represent the years) 15 :

Step-by-step explanation:

3 0
2 years ago
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