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sashaice [31]
3 years ago
12

a laptop has a listed price of $511.99 before tax. if the sales tax rate is 8.5%, find the total cost of the laptop with sales t

ax.
Mathematics
1 answer:
Fantom [35]3 years ago
4 0

Answer:

$555.51

Step-by-step explanation:

511.99 + 8.5%(43.52) = 555.51

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The height of a pyramid is doubled, but its length and width are cut in half. What is true about the volume of the new pyramid?
Aleksandr [31]

Answer:

The new pyramid has a volume that is half the volume of the original pyramid.

Step-by-step explanation:

The volume of a pyramid is given by the following equation:

V = \frac{h*l*w}{3}

In which h is the height, l is the length and w is the width.

Modified volume:

height doubled, length and width cut in half. So

h = 2h, l = 0.5l, w = 0.5w

V_{M} = \frac{2h*0.5l*0.5l}{3} = \frac{0.5*h*l*w}{3} = 0.5\frac{h*l*w}{3} = 0.5V[/tex]

That is

The new pyramid has a volume that is half the volume of the original pyramid.

6 0
3 years ago
I have 15 overdue lessons in class. If each lesson takes 30min to and hour to do and I have 7-8 hours how many lessons could I g
Leokris [45]
About 4 if each is 30 mins
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5 0
3 years ago
Which pair of angles are supplementary angles
fenix001 [56]
Supplementary angles add up to 180 degrees, so look for two angles by each other that add up to 180 degrees.

Hope this Helps!
4 0
4 years ago
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What is the solution to this system of linear equations?
SOVA2 [1]

(7,3)

Step-by-step explanation:

X= -2+3y

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6 0
3 years ago
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A bag contains 4 blue balls, 7 yellow balls and 4 white balls. Event A is defined as drawing a blue ball on the first draw and e
vekshin1

P(B|A) expressed in simplest form is  8/105.

<h3>What is the probability?</h3>

Probability determines the chances that an event would happen. The chance of the event happening lies between 0 and 1.

P(B|A)  = (number of blue balls / total number of balls) x (number of white balls / total number of balls - 1 )

(4/15) x 4/14 = 8/105

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

3 0
2 years ago
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