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aliya0001 [1]
3 years ago
5

Which of the following is not a characteristic of both experiments and

Mathematics
2 answers:
suter [353]3 years ago
8 0

The researcher exercise direct control over at least one variable.

ivolga24 [154]3 years ago
8 0

Answer:

C?correct me if I'm wrong

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Oscar charges $25 for the first hour of tutoring and $15 for each additional hour or fraction of an hour. The rates that Latoya
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Answer:

Layota

$47.5

Step-by-step explanation:

Let number of hours = x

Given that:

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First hour = $25

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Thus :

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Next 3 hours = $20

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$25 + $15(5.5 - 1)

$25 + $15(4.5)

$25 + $67.5

= $92.5

Layota:

First 3 hours :

$30 * 3 = $90

Hours left :

$20 * (5.5 - 3)

$20 * 2.5 = 50

Total = $90 + $50 = $140

Layota charges more : 140 > 92.5

Difference :

$140 - $92.5

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8 0
3 years ago
Find the surface area of a cube with the following side length of 5<br><br> sa=
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150 units^2

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