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Gre4nikov [31]
4 years ago
12

Help!! @mathmate help needed! I need step by step please

Mathematics
1 answer:
tangare [24]4 years ago
5 0
Since \sin^2x+\cos^2x=1 for all x, you can write as a first step

\dfrac{\cos^2\theta\tan^2\theta}{1-\sin^2\theta}=\dfrac{\cos^2\theta\tan^2\theta}{\cos^2\theta}

Then for \cos\theta\neq0, you can eliminate both factors of \cos^2\theta in the numerator and denominator to end up with \tan^2\theta.
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-5x+1+2x+2=-2+2x<br> I’m super lost
DaniilM [7]
Are you trying to simplify the equation? if so, combine the like terms on each side first. -3x + 3 = -2 + 2x. Then simplify, -5x = -5. And solve, x = 1
3 0
3 years ago
How do answer my question
Nesterboy [21]

Answer:

just do

Step-by-step explanation:

8 0
3 years ago
What is the answer for this equation-18-6k=(1+3k)
mylen [45]
-18-6k= 1+3k
9k=-19
k=-19/9
k=-2 and 1/9
8 0
3 years ago
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Solve the equation for y. 4x - 5y = 9
babymother [125]

Answer:

y = (4x - 9) / 5 or y = 4/5x - 9/5

Step-by-step explanation:

Solving for y

4x - 5y = 9

-5y = -4x + 9

5y = 4x - 9

y = (4x - 9) / 5 or y = 4/5x - 9/5

3 0
3 years ago
In order to clear out room for new merchandise, James decided to mark down some of the items for sale in his electronics store.
sergiy2304 [10]

Answer:

a) Which item’s price was reduced by more, and by how many dollars more was it reduced?

The DVD player's price was reduced more by $3.82 than the stereo tuner's price.

b) Round all dollar values to the nearest cent.

Rounding $3.82 dollars to the nearest cents

$1 = 100 cents

$3.82 =

3.82 × 100 cents

= 382 cents

The DVD player's price was reduced by 382 cents more than the stereo tuner's price

Step-by-step explanation:

Lets day the original price of the DVD player was $100

We are told the price was marked down to 36%

36% of $100 = $36

$100 - $36 = $64

We are told the DVD cost $41.60 after the markdown.

Original cost of DVD =

$41.60/$64 × 100 = $65

Lets the original price of the Stereo player was $100

We are told the price was marked down to 22%

22% of $100 = $22

$100 - $22 = $78

We are told the DVD cost $69.42 after the markdown.

Original cost of Stereo =

$69.42/$78 × 100 = $89

DVD = $65 - $41.60 = $23.40 less 

Stereo = $89 - 69.42 = $19.58 less

Difference between the DVD and the Stereo is

$23.40 - $19.58 = $3.82

Therefore,the DVD player's price was reduced by $3.82 more than the stereo tuner's price

Rounding $3.82 dollars to the nearest cents

$1 = 100 cents

$3.82 =

3.82 × 100 cents

= 382 cents

8 0
3 years ago
Read 2 more answers
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