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Volgvan
3 years ago
13

78 students are in a chamber Orchestra 32 members play wind instruments half of the other members play percussion instruments ab

out what fraction of the students play percussion instruments
Mathematics
1 answer:
Alborosie3 years ago
4 0

Answer:

Step-by-step explanation:

78 students....32 play wind instruments...half of the other members play percussion

so if u have 78 total students and 32 play wind instruments....

then the rest of the orchestra is : (78 - 32) = 46 members

half of the others play percussion.......so 46/2 = 23 members play percussion.

what fraction of the students play percussion.....

23/78 play percussion <==

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4 (negative one-half x + 7) + 5 x = 15
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Answer:

Step 3 is incorrect

Step-by-step explanation:

4(-1/2x + 7) + 5x = 15

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3x + 28 - 28 = 15 - 28

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4 0
3 years ago
How do you find the answer so confused
alexandr402 [8]
For which question, I can help,
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Jan has a box of magnets. She finds 21 more magnets. She now has a total of 33 magnets. How many magnets did Jan have to start?
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3 years ago
The perimeter of a rectangular piece of plastic is 30 millimeters. The area is 54 square millimeters. What are the dimensions of
Delvig [45]

Answer:

6 mm and 9 mm are the dimensions of the piece of plastic.

Step-by-step explanation:

Keep in mind the formulas for the area and perimeter of a rectangle:

A = lw

P = 2 (l + w)

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The rectangular piece of plastic with the dimensions 6mm and 9 mm corresponds with the area and perimeter of the piece of plastic mentioned. So these are the correct dimensions.

Hope this helps!

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2 years ago
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mihalych1998 [28]

Answer:

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3 0
3 years ago
Read 2 more answers
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