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erma4kov [3.2K]
3 years ago
10

The number of students in the period 7 study hall at jins school is 4 times the number of students in Jin’s home room how many s

tudents are in the study hall if there are 16 students in Jin’s home room
Mathematics
2 answers:
TiliK225 [7]3 years ago
8 0
She has 16 students in her home room
The study hall is 4 times as many

4*16 = 64
There must be 64 students in the study hall. 
Vlada [557]3 years ago
4 0
I think it's 64. Not positive, but pretty sure it is. 
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Please help me , at least do one and explain it please .
Len [333]

9514 1404 393

Answer:

  1. 113.0 cm²
  2. 2464.0 in²
  3. 95.0 ft²

Step-by-step explanation:

1. The area of a circle is given by the formula ...

  A = πr² . . . . . where r is the radius

The radius is shown as 6 cm, so the area is ...

  A = (3.14)(6 cm)² = 113.0 cm²

__

2. The radius is shown as 28 in. We note that this is a number divisible by 7, so we choose 22/7 for π.

  A = (22/7)(28 in)² = 2464 in² . . . . see comment

__

3. The radius is half the diameter, so is 11/2 = 5.5 ft. Then the area is ...

  A = (3.14)(5.5 ft)² = 95.0 ft²

_____

<em>Additional comment</em>

If you use a more exact value of π for problem 2, the area is 2463.0 in². If you use 3.14 as the value of π, the area rounds to 2461.8 in². For these values of pi (3.14 or 22/7), the answer is only good to about 3 significant digits. 2464 has more significant digits, so digits beyond the first 3 may be in error.

7 0
3 years ago
How can you find a place value in dicimals?
Verizon [17]
Well 1234567 is a number and
7 is in one's place
6 is in ten's place
5 is in hundred's place
4 is in thousand's place
3 is in ten thousand's place
2 is in thousand's place
1 is in million's place


I hope I have answered it right
5 0
3 years ago
A female executive selecting her wardrobe purchased three blazers, two blouses, and five skirts in coordinating colors. how many
Ainat [17]
She  can make a total of 30 different outfits, just multiply them all together.
7 0
3 years ago
Explain the steps to find the difference of the question below​
nevsk [136]

Step-by-step explanation:

1 -5/8

lcm=8

8-5=3

3/8

mark me brainliest or else I will report this question.

3 0
3 years ago
Celine is making a special gelatin dessert for the Constellation Club meeting. She plans to fill
Elena L [17]

Answer:

Celine can fill 20 stars i believe

Step-by-step explanation:

(48-8)÷2=20

7 0
3 years ago
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