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3 years ago

15

The local amusement park charges $19.95 per person. However after 5pm the charge is reduced to $15.40 per person a group of 4 ad

ults is planning to go to the park. How much would they save if they go after 5pm

2 answers:

Volgvan3 years ago

8 0

$18.2 !!!!!!!!!!!!!!!!!

Dmitry [639]3 years ago

3 0

18.2 dollars, from my calculations.

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Consider 8x2 - 48x = -104.

ki77a [65]

Answer:

$3+ 2\mathbf{i}$

$3- 2\mathbf{i}$

Step-by-step explanation:

<u>Quadratic Equation Solving</u>

We have the equation:

$8x^2-48x=-104$

Divide by 8:

$x^2-6x=-13$

Now complete the squares so the left side is a perfect square of a binomial:

$x^2-6x+9=-13+9=-4$

Factoring the perfect square:

$(x-3)^2=-4$

Taking the square root:

$x-3=\sqrt{-4}$

The square root of a negative number is an imaginary number:

$x-3=\pm 2\mathbf{i}$

Solving for x:

$x=3\pm 2\mathbf{i}$

The solutions are:

$3+ 2\mathbf{i}$

$3- 2\mathbf{i}$

7 0

2 years ago

4/9 divided by what equals 12

NeX [460]

(4/9)/x = 12
(4/9) = 12x
Divide both sides by 12
(1/27) =x

7 0

2 years ago

Read 2 more answers

Twice a number decreased by 16 is 64.

Artyom0805 [142]

You number is 40 40 x 2= 80- 16 =64 your welcome :)

8 0

3 years ago

determine whether the lines intersect and if so find the point of intersection and the cosine of the angle of intersection x=4t+

Fittoniya [83]

Answer:

As the lines are not intersecting nor parallel, they must be skew.

Step-by-step explanation:

Question is incomplete, we consider the nearest match available online.

Parametric equations of two lines are:

L₁ : x=4t+2 , y = 3 , z =-t+1

L₂: x=2s+2 , y= 2s+5 , z = s+1

If lines are parallel then parametric coordinates must be equal scalar multiple of each other which s not true here.

$4t+2=2s+2 ---(1)\\ \\3=2s+5---(2) \\\\-t+1=s+1---(3)$

If lines are intersecting then parametric coordinates must be equal for some value of t and s.

$From (3)\\-t=s\\From (2)\\\\s=\frac{3-5}{2}\\\\s=-1\\\implies t=1\\\\To\,\,check\,\, the \,\,values \,\,of \,\,s\,\, and \,\,t \,\,for\,\,intersection\,\,put \,\,them\,\, in\,\, (1)\\\\4(1)+2= 2(-1)+2\\ 6\ne0$

Hence the lines are not intersecting nor parallel, they must be skew.

6 0

3 years ago

Tammy's fish tank has 19 liters of water in it. She plans to add 4 liters per minute until the tank has more than 47 liters. Wha

romanna [79]

Answer:7 mins

Step-by-step explanation:

47 minus 19 equals 28 4 times 7 equals 8

5 0

2 years ago