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irakobra [83]
3 years ago
15

When Zeke and Jackson were running their group physics experiment, for each measurement needed they both recorded observation an

d then averaged the results. This was an attempt on their part to reduce the amount of which of the following types of variability?
A) Induced variability
B) Sample variability
C) Measurement variability
D) Natural variability
Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
8 0
The answer is D. Please study for yourself and your future this is easy, you just need shift your focus on studying
vova2212 [387]3 years ago
6 0
D) natural variability !! hope this helps :)
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When solving the equation 5/18=5/4x+6 algebraically, it is possible to set the denominators of the fractions equal to each other
eduard

Yes, but only if the numerators of both fractions are equal to each other.

Given that two fractions are equal to each other, we can set the denominators to be equal to each other, in the instance of this question, but that is only possible, if and only if the numerators of the fractions are equal to one another.

Another proof is,

\frac{3}{9} = \frac{3}{4 + x}

like in the attached example, we can say that 9 = 4+x, and go further ahead to solve it.

9 = 4 + x

x = 9 - 4

x = 5

if x = 5, then we can assume that

\frac{3}{9} = \frac{3}{4 + 5}

\frac{3}{9} = \frac{3}{9}

This proves that only the numerator has to be the same for the denominator to be able to be equal to one another.

more explanation can be found here brainly.com/question/7067665

6 0
3 years ago
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A CD player costs $118.26. The sales tax rate is 7%. How much will it cost to buy it?
muminat

Answer:

$126.54

Step-by-step explanation:

$118.26 times 7 divided by 100 equals to around $8.28. $118.26 plus $8.28 equals to $126.54.

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antonio has saved $28 to spend at the arcade if he has 5 bills how many of each kind of bill does he have?
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one $20 bill, one $5 bill, and three $1 bills. I hope this answer helped

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the ratio of boys to girls in a group of 2:1. if there are 22 more boys than girls, work out how many people there are in a solo
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Find the area of a triangle with a base of 18 meters and a height of 20 meters.
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