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zysi [14]
3 years ago
6

Is 10/25 and 40/100 equal to 2/5

Mathematics
2 answers:
ad-work [718]3 years ago
6 0
10/25 can be reduced to 2/5 by dividing both the numerator and denominator by 5. 40/100 can also be reduced to 2/5 by dividing both the numerator and denominator by 20. 
yes
forsale [732]3 years ago
5 0
Yes, they are all equal to each other
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A circle is drawn within a square as shown.
Vinil7 [7]
<h3>Area of shaded region is 21.5 square centimeter</h3>

<em><u>Solution:</u></em>

The area of the shaded region is equal to the area of the square minus the area of the circle

<em><u> Find the area of the square</u></em>

Area\ of\ square = a^2

Where, "a" is the length of each side

From given figure in question,

a = 10 cm

Area\ of\ square = 10^2\\\\Area\ of\ square = 100\ cm^2

<em><u>Find the area of circle </u></em>

The area of the circle is given as:

Area\ of\ circle = \pi r^2

Where, "r" is the radius of circle

Diameter = 10 cm

r = \frac{diameter}{2}\\\\r = \frac{10}{2}\\\\r = 5

Thus,

Area\ of\ circle = 3.14 \times 5^2\\\\Area\ of\ circle = 3.14 \times 25\\\\Area\ of\ circle = 78.5\ cm^2

<em><u>Find the area of the shaded region</u></em>

Area of shaded Region = Area of Square - Area of Circle

Area of shaded Region = 100 - 78.5 = 21.5

Thus area of shaded region is 21.5 square centimeter

7 0
3 years ago
Mai is visiting paris to see the eiffel tower. she is 80 feet away when she spots it. To see the top, she has to look up at an a
allochka39001 [22]

Step-by-step explanation:

Use tan relation :

tan85.7=h/80

h=tan85.7×80

h=1063.96ft

7 0
3 years ago
An unknown fraction is between 0 and 1. Which is true about the equivalent percent and decimal?
monitta

Answer:

The answer is C.

Step-by-step explanation: The number between 0 and 1. Think of decimals as cents, 100 cents makes a whole. So the number will be greater than 0 but less than 100.

7 0
3 years ago
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A study was done on several dogs that recently had litters of puppies. The results are shown below.
Reil [10]
Answer: 1/5
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3 years ago
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&lt;Q and &lt;R are complementary angles. If m&lt;Q = (31 - 3x)° and m&lt;R = (19x - 5)°, find m&lt;R​
Sergio [31]

31-3x+19x-5=90

26+16x=90

-26 -26

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16x= 64

16x/16= 64/16

x=4

m <R=19 (4)-5= 71.

7 0
3 years ago
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