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EastWind [94]
3 years ago
7

suppose the cost in dollars of producing x toothbrushes is given by the polynomial 1.00x + 350 and the revenue generated from sa

les is given by the polynomial 1.75x . write and simplify a polynomial expression for the profit from making and selling x toothbrushes
Mathematics
1 answer:
kati45 [8]3 years ago
3 0

Answer:

Wait whats the question?

Step-by-step explanation:

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If tan theta = 12/5 and cos theta < 0, what is sin theta ?
Talja [164]
1 + tan ² Ф=sec²Ф
1+(12/5)²=sec²Ф
169/25=sec² Ф
sec Ф=⁺₋√(169/25)=⁺₋13/5

sec Ф=1/cos Ф ⇒cosФ=1/sec Ф
 cos Ф>0   ⇔  sec Ф>0  ⇔  sec Ф=+ 13/5

cos Ф=1/secФ
cos Ф=1 / 13/5=5/13

we can calculate the sin Ф, with this method.
sin²Ф + cos²Ф=1  ⇒ sin Ф=⁺₋√(1-cos² Ф)
sin Ф=⁺₋√[1-(5/13)²]=⁺₋12/13
like cos Ф>0 and tan Ф>0   ⇒ sin Ф>0 ⇒sin Ф=12/13

answer: d.12/13

other method
tan Ф=sin Ф / cos Ф
12/5=sin Ф / 5/13
sin Ф=(12/5)*(5/13)=12/13

answer: d.12/13

8 0
3 years ago
Please answer asap...
ehidna [41]

Answer:

The answer is C pay attention in class next time

6 0
3 years ago
If you can figure this out I will give you Brainliest and 5 stars ⭐️
hram777 [196]

Answer:

The y-intercept is b=0

The y-intercept represents the initial quantity of gas in the canister which is zero.

Step-by-step explanation:

The y-intercept is where the graph of the straight line  touches the y-axis.

From the graph, the y-intercept is the origin (0,0).

Recall that the slope intercept form of a straight line is y=mx+b, where b=0 is the y-intercept in this case.

Since the graph represents the amount of gasoline in a canister after Joshua begins to fill it at the gas station pump, the y-intercept means the initial gallons of gas in the canister is zero.

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3 years ago
If all guitar players are musicians, then all musicians are guitar players.
IrinaVladis [17]

Answer:

This does not make sense.

Step-by-step explanation:

Just because you are a musician does not mean you play the guitar.

You can play the piano and a trumpet, but not be able to play a guitar!

5 0
3 years ago
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How do you write 3/8 as a decimal
Dmitry [639]
3.8, 0.38, 3.80 or 38.0
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4 years ago
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