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cluponka [151]
3 years ago
11

Find the series shown.

Mathematics
1 answer:
strojnjashka [21]3 years ago
5 0
E^6(3n - 4)
e^6(3(2) - 4)
e^6(6 - 4)
e^6(2)
403.4287935(2)
806.857587
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What is the source of Yangtze river​
belka [17]

Answer:

Qinghai

Step-by-step explanation:

8 0
3 years ago
Carl needs to calculate how much money he made selling snacks at the baseball games yesterday and today. Cotton candy costs $1.5
Kaylis [27]
Carl made $39.75 on cotton candy 
4 0
3 years ago
Center City East Parking Garage has a capacity of 257 cars more than Center City West Parking Garage. If the combined capacity f
amid [387]
<span>Center City West = x
</span><span>Center City East = (x + 257)

Solve for x to find the capacity for Center City West and then we can find the capacity for Center City East.

(x + 257) + x = 1221
x + x + 257 = 1221
2x  + 257 - 257 = 1221 - 257
2x = 964
2x / 2 = 964 / 2
x = 482
</span><span>Center City West capacity = 482
</span>
Now to find Center City East capacity we substitute 482 for x in (x + 257) 

(x + 257) 
(482 + 257)
482 + 257 = 739

Center City East capacity  = 739
Center City West capacity = 482
5 0
3 years ago
Can you prove it??<br>it's hard,I tried but couldn't solve this.
BARSIC [14]

I'll abbreviate s=\sin\theta and c=\cos\theta, so the identity to prove is

\dfrac{s+c+1}{s+c-1}-\dfrac{1+s-c}{1-s+c}=2\left(1+\dfrac1s\right)

On the left side, we can simplify a bit:

\dfrac{s+c+1}{s+c-1}=\dfrac{s+c-1+2}{s+c-1}=1+\dfrac2{s+c-1}

\dfrac{1+s-c}{1-s+c}=-\dfrac{-2+1-s+c}{1-s+c}=-1+\dfrac2{1-s+c}

Then

\dfrac{s+c+1}{s+c-1}-\dfrac{1+s-c}{1-s+c}=2\left(1+\dfrac1{s+c-1}-\dfrac1{1-s+c}\right)

So the establish the original equality, we need to show that

\dfrac1{s+c-1}-\dfrac1{1-s+c}=\dfrac1s

Combine the fractions:

\dfrac{(1-s+c)-(s+c-1)}{(s+c-1)(1-s+c)}=\dfrac{2-2s}{c^2-s^2+2s-1}

We can rewrite the denominator as

c^2-s^2+2s-1=c^2+s^2-2s^2+2s-1

then using the fact that c^2+s^2=\cos^2\theta+\sin^2\theta=1, we get

1-2s^2+2s-1=2s-2s^2

so that we have

\dfrac1{s+c-1}-\dfrac1{1-s+c}=\dfrac{2-2s}{2s-2s^2}=\dfrac1s

as desired.

6 0
4 years ago
Select the correct answer.
vagabundo [1.1K]
B
Explanation sksnsnsnnsmams
5 0
3 years ago
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