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dimulka [17.4K]
3 years ago
7

A computer is normally $550 but is discounted to $385. What percent of the original price does Mark pay?

Mathematics
2 answers:
pychu [463]3 years ago
6 0

Answer:

D.70%

Step-by-step explanation:

divide 355/550 and multiply your answer  by 100

mash [69]3 years ago
5 0

Answer:

Step-by-step explanation:

70% all you have to do is divide 355/550like that and times the answer by 100

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Angle I and N are complementary. If angle N has a meause of 48 degrees, find the measure of angle I
Afina-wow [57]

Answer:

42°

Step-by-step explanation:

Complementary angles are two angles that add up to 90°

1) 90-48 = 42

Hope this helps! :)

8 0
3 years ago
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Five people each write a positive integer on a piece of paper. If the average of these five integers is 8, what is the greatest
erik [133]

Answer:

Option D. 40

Step-by-step explanation:

Let

x------>the greatest possible value  

we know that

If four people write the number zero, then the average will be

8=(0+0+0+0+x)/5\\ \\40=0+x\\ \\x=40

6 0
3 years ago
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Find the perimeter and the area of each shape. Give your answer as a completely simplified exact value in terms of π (no approxi
nydimaria [60]

Answer:

Circumference: 12π + 8 cm,

Area: 48 ( cm )^2

Step-by-step explanation:

This figure is composed of circles, squares, and semicircles. As you can see, the squares indicate that each semicircle should have ( 1 ) the same area, and ( 2 ) the same length ( circumference ). It would be easier to take the circumference of the figure first, as it is composed of arcs part of semicircles the same length.

Circumference of 1 semicircle = \frac{1}{2}( πd ) =  \frac{1}{2}π( 4 ) = 2π ( cm )

Circumference of Figure (composed of 6 semicircles + 2 sides of a square),

We know that 6 semicircles should be 6 * 2π, and as the sides of a square are equal - if one side is 4 cm, the other 3 are 4 cm as well. Therefore the " 2 sides of a square " should be 2

Circumference of Figure = 6 * 2π + 2 = 12π + 8 ( cm )

_____________

The area of this figure is our next target. As you can see, it is composed of 3 semicircles, and the area of 3 semicircles subtracted from the area of 3 squares. Therefore, let us calculate the area of 1 semicircle, and the area of 1 square first.

Area of 1 semicircle = 1/2πr^2 = 1/2π(2)^2 = 2π ( cm ),

Area of 1 square = ( 4 cm )( 4 cm ) = 16 ( cm^2 )

So, the area of the figure should be the following -

Area of Figure = 3 * 2π + 3( 16 - 2π ) = 48 ( cm )^2

3 0
2 years ago
What is the measure of the missing angle?<br> PICTURE BELOW \/
jeka57 [31]

Answer:

The measure of the missing angle is 90°

Step-by-step explanation:

∵ This figure is a quadrilateral

∴ the sum of measures of its angles = 360°

∴ m∠x = 360 - 107 - 72 - 91 = 90°

6 0
3 years ago
Round 684 to the nearist hundred
Iteru [2.4K]
So 684 is rounded to 700
7 0
3 years ago
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