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goldenfox [79]
3 years ago
12

The sixth grade art students are making a mosaic using tiles in the shape of right triangles. Each tile has leg measures of 3 ce

ntimeters and 5 centimeters. If there are 200 tiles in the mosaic, what is the area of the mosaic?
Mathematics
1 answer:
-Dominant- [34]3 years ago
3 0
So you find are length times width so 3 times 5 equals 15 usally you then divide by 2 but a trick I use is take how many ever you have and divide by 2 so 200 divide 2 equal 100 so 15 times 100 that's you anwser
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Can you help me please
nasty-shy [4]
I think it’s 32? i dont know good luck
8 0
2 years ago
jar contains 51 coins which are either quarters or nickels. total value of jar is 5.15. how many of each type of coin do they ha
docker41 [41]
I believe there are 20 quarters and 3 nickels.....

Total value of the jar is $5.15.....

Quarters are worth 25 cents
And nickels are worth 5 cents.

First you know that there are 4 quarters in a dollar.
 You have 5 dollars so you do 4 x 5 = 20

So five dollars ($5.00) is 20 quarters.
And you still have 15 cents left.

Because quarters are 25 cents the rest are nickels.

Nickels are worth 5 cents so you'd do 5 x 3 = 15.

15 cents!

Add all this together and get $5.15.

So your answer is 

There are 20 quarters and 3 nickels in the jar.

 
8 0
3 years ago
Which equation represents an inverse variation? y = 2x y = x/3 y =4/x y = –5x
Marizza181 [45]
First of all, you should know that:
 direct variation:
 y = c * x
 Inverse variation:
 y = c / x
 where, c is any number that belongs to the real ones.
 answer:
 An equation that represents an inverse variation is
 y = 4 / x
7 0
3 years ago
What is the smallest and largest perimeter of a polygon with an area of 20?
DENIUS [597]

Answer:

The polygon with the smallest perimeter is the megagon

The polygon with the largest perimeter is the triangle

Step-by-step explanation:

An equilateral triangle with area = 20 has

0.5× a²×sin60 = 20

a= 6.796

Hence, perimeter = 20.39

A square of area 20 has perimeter= 4×√20 = 17.9

A regular pentagon of area = 20 has perimeter = 3.41 × 5 = 17.05

Hence as the number of sides is increasing, the ratio of the Area to the Perimeter also increases

Therefore, a triangle has the largest perimeter with an area of 20 while a megagon with a million sides has the smallest perimeter with an area of 20.

4 0
2 years ago
Help! Please answer this! Giving all my points away! NO LINKS! Thank you!
Zanzabum

Answer:

13

Step-by-step explanation:

200-187=13

8 0
3 years ago
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