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Natalija [7]
3 years ago
12

Please answer this question

Mathematics
2 answers:
aksik [14]3 years ago
8 0
The answer would be D h(x)=2(5(1.2)^x+6) because g(x)=10(1.2)x is exponential while f(x)=12x is linear and you can´t combine the two which crosses out C and the f(x)=12x is a positive slope not a negative slope so that crosses out A and as for B it is changing the entire equation by switching the 5 and the 6 because now it is saying that it is g(x)=12(1.2)^x and f(x)=10x which is not what the original equations had so it would have to be D because it has 5(1.2)^x+6x in parenthesis and is being multiplied by 2 so you can think of it as just h(x)=10(1.2)^x+12x which is correct because according to PEMDAS you will solve for the answer for both first then add them after you have the answer so the correct answer is D
DochEvi [55]3 years ago
5 0
P_{dvd}=f(x)=12x
P_{streaming}=g(x)=10(1.2^x)
where x is the number of months.
So 
total profit=h(x)=g(x)+f(x)=10(1.2^x)+12x
Factor out the common factor 2,
total profit=h(x)=g(x)+f(x)=2(5(1.2^x)+6x)

x h(x)
1 12+12=24 thousands
2  14.4+24=38.4 thousands
3 53.28 thousands
4 68.736 thousands = $68,736  (targeted profit)



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Given that A=27, B=43 and c=17, solve triangle ABC to the nearest hundredth
katrin2010 [14]
When we are given 3 sides, we try to solve the angles first by using the
law of cosines
cos (A) = [b^2 + c^2 - a^2] / (2 * b * c)
cos (A) = [43^2 + 17^2 -27^2] / (2 * 43 * 17)
cos (A) = [1,849 + 289 -729] / <span> <span> <span> 1,462
</span></span></span>cos (A) = 1,409 / 1,462
cos (A) = <span> <span> <span> 0.96374829001368
Angle A = 15.475

Now that we have one angle, we next can use the
Law of Sines
sin(B) / side b = sin(A) / side a
sin(B) = sin(A) * sideb / sidea
</span></span></span><span>sin(B) = sin(15.475) * 43 / 27
</span><span>sin(B) = 0.26682 * 43 / 27
sin (B) = </span><span>0.424935555555</span>
Angle B = 25.147 Degrees
Remember the arc sine (<span>0.424935555555) also equals </span> <span> <span> <span> 154.85

</span></span></span>Finally, calculating the third angle is quite easy
Angle C =  180 - Angle (A) - Angle(B)
Angle C =  180 - 15.475 - 154.85
Angle C =  9.675

Source:
http://www.1728.org/trigtut2.htm


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galina1969 [7]

Answer:

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Step-by-step explanation:

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This is a quiz on special right triangles. please help me i cannot fail this. i will mark brainliest
kobusy [5.1K]

Answer:

x=4

Step-by-step explanation:

Consider ΔKLJ:

sinθ=opposite/hypotenuse

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