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jenyasd209 [6]
2 years ago
13

Ico wanted to determine the number of students in his school who buy school lunch. He walked around the cafeteria one lunch peri

od looking to see whether every fifth person in the cafeteria purchased lunch or brought their own.
Which method did he use to collect his data?
Mathematics
1 answer:
CaHeK987 [17]2 years ago
5 0
D. Observation study
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Find the unknown number. Enter your answer in simplest form.<br> 9/10 - ? = 1/2 ?
lord [1]

Answer:

well its 2/5

Step-by-step explanation:

because its 4/10 but you wanted to simplify it so its 2/5

brainlist? its the crown btw

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Simplify 10cm:30cm<br> Simplify 2cm:1m
ollegr [7]

Step-by-step explanation:

Simplest form=10/30=1/3

=1cm:3cm

Simplest form=2cm:1m

1m=100cm

2:100

2/100=1/50

1cm:50cm

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The length is of a rectangular floor is 24ft the length is 4ft less than 3x the width of the floor
mars1129 [50]

Step-by-step explanation:

l=24ft and

l=3x-4ft,x=width

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i.e x=28/3ft..

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3 years ago
There are 18 students in Mr.Alvarez’s art class. Throughout the year, every student must pair up with every other student to com
earnstyle [38]
If there are 18 students every one of the will pair up with 17 other students throughout the year so the total amount of pairs that can be made is 18x17=306 but since it’s not important if student A is paired with student B or student B with student A we should divide the total amount of pairs by two- 306:2=153 so in total there will be 153 projects finished
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3 years ago
I NEED A 100% ACCURATE ANSWER FOR THIS ASAP NO LINKS !!!<br> Solve for x: 7x = 4x + 27<br> x =
AleksAgata [21]

Answer:

x = 9

Step-by-step explanation:

Step 1: Subtract 4x from both sides.

  • 7x - 4x = 4x + 27 - 4x
  • 3x = 27

Step 2: Divide both sides by 3.

  • \frac{3x}{3} =\frac{27}{3}
  • x = 9

Step 3: Check if solution is correct.

  • 7(9) = 4(9) + 27
  • 63 = 36 + 27
  • 63 = 63

Therefore, x = 9.

3 0
3 years ago
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