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worty [1.4K]
3 years ago
6

Use a transformation to solve the equation. h/-6 =1.2

Mathematics
1 answer:
Helga [31]3 years ago
8 0
A. h/-6 = 1.2 Multiply by the reciprocal (-6/1) 1.2 *-6 = -7.2<span />
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An electronics store has portable CD players on sale for $54.95. If the local sales tax is 6.5%, what is the total cost of a CD
borishaifa [10]

Answer:

Total cost of CD player = $58.52

Step-by-step explanation:

Given data:

Price of CD player on sale= $54.95

Local sales tax = 6.5%

Total cost of CD player = ?

Solution:

Local sales tax= (6.5 * 54.95)/100 = $3.57

Total cost of CD player = Price of CD player on sale + Local sales tax

                                       =  $54.95 + $3.57

         Total cost of CD player = $58.52



7 0
3 years ago
The mclntosh family went apple picking.They picked a total of 115 apples.The family ate a total of 8 apples each day.After how m
aleksklad [387]

Answer:

its b i took the test

Step-by-step explanation:

5 0
2 years ago
the slope of the line below is 2. use the labeled point to find a point-slope equation of the line. (1, 9)
hram777 [196]

Answer:

Step-by-step explanation:

y - 9 = 2(x - 1)

y - 9 = 2x - 2

y = 2x + 7

8 0
3 years ago
Dougie has a January hiking goal. Dougie
igomit [66]

Answer:

84 miles

Step-by-step explanation:

35% as a decimal is .35.

240*.35=84

7 0
2 years ago
A buoy floating in the sea is bobbing in simple harmonic motion with period 2 seconds and amplitude 8 in. Its displacement d fro
Mrac [35]

Answer:

The equation of the displacement d as a function of time t is :

d(t)=8sin(\pi t+\pi )

Step-by-step explanation:

Generally , A simple harmonic wave is a sinusoidal function that is it can be expressed in simple sin or cos terms.

Thus,

d(t) = Asin(wt+c)

is the general form of displacement of a SHM.

where,

  • <em>d(t) is the displacement with respect to the mean position at any time t</em>
  • <em>A is amplitude </em>
  • <em>w is the natural frequency of oscillation (rads^{-1})</em>
  • <em>c is the phase angle which indicates the initial position of the object in SHM (rad)</em>

given,

  1. Time period (T) = 2s
  2. A=8
  3. The natural frequency (w) and time period (T) is :

                               w=\frac{2\pi} {T}

∴

w = \frac{2\pi }{2}  = \pi rads^{-1}

∴

the equation :

<em>⇒d(t)=8sin(\pi t+c)    </em>                    ------1

since d=0 when t=o ,

<em>⇒0=8sinc\\c=n\pi                         ------2</em>

where n is an integer ;

<u>⇒since the bouy immediately moves in the negative direction , x must be negative or c must be an odd multiple of \pi.</u>

<em>⇒ d(t) = 8sin(\pi t+(2k+1)\pi )         ------3</em>

where k is also an integer ;

the least value of k=0;

thus ,

the equation is :

d(t)=8sin(\pi t+\pi )

<em></em>

7 0
3 years ago
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