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mafiozo [28]
2 years ago
10

Nico 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:
pashok25 [27]2 years ago
4 0

Answer:

Observational study

Step-by-step explanation:

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8(-2x+1)=30-(-4+3x)<br><br> solve for x
Fittoniya [83]

Answer:

-2

Step-by-step explanation:

8 (-2x + 1) = 30 - (-4 + 3x)   Distribute

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-13x = 26 Divide by -13 on both sides

x = -2

4 0
2 years ago
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Explain why the terms 4x and 4x^2 are not like like terms​
Brrunno [24]

Answer:

well for me it's because

Step-by-step explanation:

Of the raise to power

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2 years ago
A 650-pund snowmobile trailer is sitting on an exit ramp inclined at 40 degrees
Dima020 [189]
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6 0
2 years ago
Convert the following into fractions in their simplest form
sladkih [1.3K]

Answer:

1/10

13/100

4/5

12/25

3/10

63/100

3/5

51/200

2/9

5/11

To prove the last 2 recurring ones:

0.222222... = x

10x = 10 * 0.22222... =  2.222222....

Notice how the decimal part of 10x is the same as for x:

10x - x = 2.2222222... - 0.222222... = 2

10x - x = 9x = 2

x = 2/9

Same procedure for the other one but times by 100 instead:

x = 0.454545...

100x = 45.454545...

100x - x = 45.454545... - 0.454545... = 45

100x - x = 99x = 45

x = 45/99 = 5/11

3 0
2 years ago
What is the range of f(x)=15(1/3)^x
wel

Answer:

(0,inf)   {y║y>0}

Step-by-step explanation:

8 0
3 years ago
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