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goldenfox [79]
4 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]4 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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VLD [36.1K]

Answer:

8.4 * 10^6

Step-by-step explanation:

8.4 * 10^6

1 million = 1 * 10^6

8 million 4 hundred thousand is 8.4 * 10^4 because this number is 8.4 times bigger than a million.

6 0
3 years ago
Witch ones are bigger. <br> a. 5/9 or 11/18<br><br> b. 3/8 or 4/9
Mariulka [41]

Answer:

for a it would be 11/18 and for b it would be 4/9

Step-by-step explanation:

This is because I did the same butterfly method. 5 times 5 times 18 which is 90 for 5/9 and 9 times 18 is 99 for 11/18, you can also write it as 5/9 and 11/18 but cross multiply. This is also what I did with the second one.

6 0
3 years ago
Read 2 more answers
Which of the following equations represents the polynomial function with zeros 5, negative start fraction one over two end fract
Karolina [17]

Answer:

  D.  y = -(x-5)(2x+1)(x+3)

Step-by-step explanation:

"r" is a zero of the polynomial when (x -r) is a factor.

The three given zeros mean that (x -5), (x -(-1/2)), and (x -(-3)) will be factors of the equation. The product of the constants in these binomials (and any vertical scale factor) must be equal to the y-intercept.

For some scale factor "a", we want ...

  (a)(-5)(1/2)(3) = 15

  a = 15/(-7.5) = -2

and the desired polynomial function is ...

  y = -2(x -5)(x +1/2)(x +3 = -(x -5)(2x +1)(x +3) . . . . matches choice D

______

<em>Comment on the answer choices</em>

It's all about the details. The various answer choices differ in various signs, so you need to pay attention.

4 0
4 years ago
If you cut a 12-inch loaf of bread into 1/2 -inch slices, you would have <br> slices of bread.
Dmitriy789 [7]

Answer:

You would have 24 slices.

Step-by-step explanation:

Each slice is 1/2 of an inch and there are two halves in an inch.

4 0
3 years ago
Read 2 more answers
I need help pleasee thank
Ganezh [65]

Answer:

A=51

a=22.2

c=28.6

Step-by-step explanation:

∠A=180-90-39

     =51

a/sin51=18/sin39

a=22.2

c/sin90=18/sin39

c=28.6

4 0
3 years ago
Read 2 more answers
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