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kotykmax [81]
3 years ago
15

I have a problem from precalculus cosx/1-tanx +sinx/1-cosx =cosx+sinx prove the identity

Mathematics
1 answer:
vovangra [49]3 years ago
7 0

Answer:

see attachment

Step-by-step explanation:

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Solve and check:8a-4=25+6(a-8)
OlgaM077 [116]
8a - 4 = 25 + 6 (a - 8)

(distribute the 6)

8a - 4 = 25 + 6a - 48

(combine like terms 25 - 48)

8a - 4 = 6a - 23

( subtract 6a from both sides)

2a - 4 = -23

(add 4 to both sides)

2a = -19

(divide both sides by 2)

a = - 9.5

////CHECK/////

8 (-9.5) - 4 = 25 + 6 ( -9.5 -8)

(plug each side into a calculator)

-80 = -80

FINAL ANSWER:

a = -9.5
5 0
3 years ago
Tell whether the system has one solution, infinitely many solutions, or no solution.
nadya68 [22]
X=-7y+34
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To begin with make the two problems the same kind of problem. By adding 7y on both sides for the first problem.
x+7y=34
x+7y=32

So the correct answer would be no solution because it's the same problem and it can't equal to different answers.

8 0
3 years ago
Please help me with 1-4 and 6 and 7
Tom [10]
I could only get number one which was; 1.75
3 0
3 years ago
Which function is most closely represented by the graph ?
Helen [10]

Answer:

3 + 3/4x

Step-by-step explanation:

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3 years ago
Need help with 12 and 13
EastWind [94]

Answer:

12: 7       13:  49

Step-by-step explanation:

35 divided by 5 is 7 so you would get the answer of 6 for 12

7x7 is 49

6 0
3 years ago
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