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Law Incorporation [45]
3 years ago
14

A science teacher needs to choose 4 students from a class of 20 to go to the library to do some research. How many different gro

ups can be selected?
A.) 3,060

B.) 104,976

C.) None are correct

D.) 73,440
Mathematics
1 answer:
densk [106]3 years ago
8 0
The number is (20 x 19 x 18 x 17) / (4 x 3 x 2). That's 4,845 . None of the choices is correct.
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yeah or the people whose questions are literally nothing but a g00gle search away it's like you do know that you're practically wasting your points right? lol

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answer to your math question-

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Find the measure of an angle with measure between 0° and 360° that is coterminal with an angle measuring –800°.
vova2212 [387]
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2 years ago
Tanya’s swim club increased their $29 membership fee by $6 a year. What is the approximate percent increase in the membership fe
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WITCHER [35]

Answer:

Area = 15.36 ft

Step-by-step explanation:

First find the area of the dotted line triangle using the formula: base x height x 1/2, which would be 1.2ft x 12.8 x 1/2 = 7.68ft.

Next, add another triangle at the top, mirroring the shown triangle, of the parallelogram.

Then, find the area of the shape as though it were a rectangle. (base x height) - 2.4 x 12.8 = 30.72.

Next, multiply the area of the invisible triangle by 2, 7.68 x 2 = 15.36ft

and Finally, subtract the area of the rectangle shape of the the sum of the two invisible triangles, 30.72 - 15.36 = 15.36ft

The area of the parallelogram is 15.36 ft.

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3 years ago
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