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Tomtit [17]
3 years ago
10

Which expression is equivalent to sin^2 x-sin x - 2/sin x -2

Mathematics
1 answer:
Sliva [168]3 years ago
3 0
Set sin x to a variable, i.e. u

u^2-u-2/u-2.

Factor:

(u-2)(u+1)/(u-2)

Simplify by canceling the u-2s...

leaving u+1. Since we substituted u for sin x...
the answer is A. sin x + 1
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1,352 pounds is what fraction short of a ton? 
Aleksandr [31]
A \ short \ ton \ is \ 2 \ 000 pounds \\ \\\frac{1 \ 352}{2 \ 000} = \frac{169}{250} \ \ \ | divided \ numerator \ and \ denominator \ by \ 8 \\ \\ \\ Answer : \ A) \ \ \frac{ 169}{250 }


4 0
3 years ago
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Which is greater -13 or -16?
irina1246 [14]

Answer:

-13

Step-by-step explanation:

7 0
2 years ago
If f(x)=x/2-2 and g(x)=2x^2+x-3, find (f+g)(x)
Lelu [443]
Hello : 
<span>If f(x)=x/2-2 and g(x)=2x^2+x-3, find (f+g)(x)
</span>(f+g)(x)= f(x) +g(x) = x/2-2  +2x²+x-3 = x/2 +2x²+x-5
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4 0
3 years ago
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Last year, Jina opened an investment account with $8200. At the end of the year, the amount in the account had decreased by 6.5%
adoni [48]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Keira , larry and gita picked apples at an orchard. keira picked twice as many pounds as larry and 3 times as many as gita. the
Natalija [7]
Number of apples in pounds picked up by Keira = K
Number of apples in pounds picked up by Larry = L
Number of apples in pounds picked up by Gita = G
Total number of apples they picked all together in pounds = 8360
Now from the given question, we know
Number of apples picked up by Kiera = 2L
So
K = 2L
L = K/2
Again Kiera picked up 3 times as many apples as Gita picked.
So,
K = 3G
G = K/3
Now if we add all the apples in pounds picked up by the three of them.
Then
K + L + G = 8360
K + (K/2) + K/3) = 8360
(6K + 3K + 2K)/6 = 8360
11K/6 = 8360
11K = 8360 * 6
11K = 50160
K = 4560
Then
L = K/2
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G = K/3
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Now we can say that
Kiera picked 4560 pounds of apple
Larry picked 2280 pounds of apple
Gita picked 1520 pounds of apple
7 0
2 years ago
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