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alisha [4.7K]
3 years ago
10

Andrew asked every tenth person at the mall how old they are. What type of sample did he form?

Mathematics
1 answer:
NARA [144]3 years ago
6 0

Answer:

it is a convenience sample

Step-by-step explanation:

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5(y +2/5) = -13
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Answer:

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Step-by-step explanation:

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Y=2x and x+3y=-14 substitution to solve each system of equations
Sergeeva-Olga [200]
You can use the substitution method.
You substitute the first equation to the second equation to get the value of x.
x + 3y = -14
x + 3(2x) = -14
x + 6x = -14
7x = -14
x = -14/7 = -2

Substitute the value of x to the first equation.
y = 2(-2) = 4
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ololo11 [35]
42 degrees is the average.
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Nadusha1986 [10]

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