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I am Lyosha [343]
2 years ago
13

Mark drove 330 miles. It took him 6 hours to drive this distance. What was Mark's average speed?

Mathematics
1 answer:
Lena [83]2 years ago
8 0

Answer:

The Mark's average speed was 55\frac{miles}{hour}

Step-by-step explanation:

we know that

To find out the average speed, divide the total distance by the total time

Let

s -----> the average speed in miles per hours

x ----> the total distance in miles

y ----> the total time in hours

s=\frac{x}{y}

we have

x=330\ miles

y=6\ hours

substitute

s=\frac{330}{6}=55\frac{miles}{hour}

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David bought a computer than was 20% off the regular price of $ 1,080. if an 8% sales tax was added to the cost of the computer,
Ne4ueva [31]

Answer:

the anwser would be $933.12

Step-by-step explanation:

1080*.2= 216, so $216 was taken off

1080-216= 864 is the price now

864*.08= 69.12, The sales tax is $69.12

864+69.12= $933.12

The total price David paid for is $933.12

7 0
2 years ago
Please please help!! I'm not sure if I have the right answer!!
lana [24]

Answer: The area of the sector formed by central angle AOB is 5/8 th of the total area of the circle.

Step-by-step explanation:

Let r be the radius of the circle having the center O,

⇒ The area of the circle = \pi r^2  square unit.

And, the central angle AOB = \frac{5\pi}{4}\text{ radian}

=(\frac{5\pi}{4}\times \frac{180}{\pi})^{\circ}  ( since, \pi = 180° )

=(\frac{900}{4})^{\circ}

=225^{\circ}

Hence, the area of sector AOB

=\frac{225^{\circ}}{360^{\circ}}\times \pi r^2

=\frac{5}{8}\times \pi r^2 square unit.

Now,

\frac{\text{Area of sector AOB}}{\text{Area of circle}}=\frac{\frac{5}{8}\times \pi r^2}{\pi r^2}

=\frac{5}{8}

⇒ Area of sector AOB = 5/8 × Area of the circle.

Hence, the area of the sector formed by central angle AOB is 5/8 th of the total area of the circle.

6 0
3 years ago
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Describe the dimension of a line
777dan777 [17]
The dimension of a line is one dimension.
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2 years ago
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HELP PLEASEE FOR HW!!!
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There is 5/6 of an apple pie left from dinner. Tomorrow, Victor plans to eat 1/6 of the pie that was left. How much of the whole
Lady_Fox [76]
5/6 = 83% 
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83% of the apple pie was left from dinner. 
Victor is gonna eat 16% of the pie tomorrow 
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In other words 5/6-1/6


The denominators are same so you don't have to do anything to them  
5/6 - 1/6 

5-1=4

4/6 of the pie would be left 
In simplest form it would be 

4/6     <span> ÷2</span>
=2/3

2/3 is in simplest form 

5 0
2 years ago
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