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Scrat [10]
3 years ago
10

WILL MARK BRAINLIEST!!!!!! The cable television company reduced rates 20% last year. If the original service cost was $20.50, wh

at is the new cost?
Mathematics
1 answer:
Citrus2011 [14]3 years ago
4 0

Answer:

4.10

Step-by-step explanation:

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C. hope this helps...
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4 years ago
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The number of students at Maria's school decreased by 98% of last year's number currently there are 1170 students how many stude
Vitek1552 [10]
X=number of students at Marita's high school last year
98%=.98
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3 years ago
Is 4/12more or less than 4/6
11111nata11111 [884]
4/12 is less than 4/6

4/12 = 2/6

and 2/6 < 4/6
5 0
3 years ago
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What is the value of x?<br><br> A. 4<br><br> B. 4√3<br><br> C. 8<br><br> D. 8√3
SashulF [63]

Answer:

B. 4√3

Step-by-step explanation:

\sin \: 60 \degree =  \frac{x}{8}  \\  \\  \therefore \:  \frac{ \sqrt{3} }{2}  = \frac{x}{8} \\  \\  \therefore \: x =  \frac{8 \times  \sqrt{3} }{2} \\  \\  \therefore \: x =  4 \times  \sqrt{3}\\  \\  \huge \purple{ \boxed{ \therefore \: x =  4 \sqrt{3} }}\\

4 0
3 years ago
Primitive function for:<br><br> 1. f(x)=4e2x+e−x, sådan att F(0)=2
Free_Kalibri [48]

The primitive function for f(x) = 4e^{2x} + e^{-x} is given by it's indefinite integral.

To calculate it, recall:

\frac{d}{dx}e^{ax}=ae^{ax}

\int c f(x)dx = c\int f(x)dx

Let's begin

\int 4e^{2x}+e^{-x}dx \\4\int e^{2x}dx+ \int e^{-x}dx\\4\frac{e^{2x}}{2}+\frac{e^{-x}}{-1}  + c\\

F(x) = 2e^{2x}-e^{-x} +c

To find the costant, we just need to use the fact that F(0)=2

F(0) = 2 \\4e^{0}+e^{0} + c =2\\5+c =2\\c=-3

Therefore,

\boxed{F(x) = 2e^{2x} - e^{-x} -3 }

6 0
3 years ago
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