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xxMikexx [17]
3 years ago
15

Molly works at an electronics store. Her last customer purchased a DVD player for $66.54 and five DVDs for $51.33, including tax

es. If the customer paid her with two $100 bills, how much change should she give him?
Mathematics
1 answer:
Masteriza [31]3 years ago
8 0

Answer:

$88.20

Step-by-step explanation:

 66.54

+ 51.33

____________

$117.8

200-117.8 = 88.2

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The equation for the cross section of a parabolic satellite television dish is y = 1/45 x2, measured in inches. How far is the f
patriot [66]

Answer:

11.25

Step-by-step explanation:

The equation for a parabola is:

y − k = 1/(4p) (x − h)²

where (h, k) is the vertex and p is the distance from the focus to the vertex.

1/(4p) = 1/45

4p = 45

p = 11.25

The distance from the vertex to the focus is 11.25 inches.

3 0
3 years ago
Find the selling price of a $36 item after a 50% markup
agasfer [191]

Answer:

$54

Step-by-step explanation:

36 divided by 2= 18

$36+$18=$54

7 0
2 years ago
Help me with this math problem, I need someone to guide me through it I don’t understand what I’m supposed to do first
natita [175]

Answer:

see below

Step-by-step explanation:

The parent function is x^2 which is a parabola at vertex (0,0)

g(x) = ( x+3) ^2

y = f(x + C) C > 0 moves it left  

So the parabola is shifted to the left 3 units

h(x) = -( x+3) ^2

y = −f(x)  

Reflects it about x-axis

Means flip it about the x axis

7 0
3 years ago
Ben baked brownies in the brownie pan shown below. Each day, he is going to eat 303030 square centimeters of brownie from the pa
luda_lava [24]

Answer:

Option A. 30\ days

Step-by-step explanation:

step 1

Find the area of the brownie pan

The area of the trapezoid is equal to

A=\frac{1}{2}(30+42)(25)=900\ cm^{2}

step 2

To calculate the number of days, divide the total area of the brownie pan by 30 square centimeters of brownie

so

900/30=30\ days

4 0
3 years ago
Read 2 more answers
Geometry Helps please<br> (Only correct Answers only please) Thank you very much.
Levart [38]
<h3>Exact Answer: (160/3)pi</h3><h3>Approximate Answer: 167.47</h3>

The approximate answer results when you use pi = 3.14, and this approximate answer is rounded to two decimal places

note that (160/3)pi is the same as 160pi/3

========================================================

Work Shown:

r = radius = 4

h = height = 10

V = volume of cone

V = (1/3)pi*r^2*h

V = (1/3)pi*4^2*10

V = (160/3)pi exact answer

V = (160/3)*3.14

V = 167.46666....

V = 167.47 approximate answer rounded to two decimal places

8 0
3 years ago
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