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yawa3891 [41]
3 years ago
9

A farmer divided his piece of land into 2 equivalent groups and the quality of the soil is the same in both of these groups. He

used fertilizers for the first group of land. He did not use fertilizers for the second group of land. At the end of the season, he measured the yield of the crops in these 2 groups. Is the study observational or experimental
Mathematics
1 answer:
Dimas [21]3 years ago
7 0

Answer:

  1. Observational would mean that he (farmer) has no direct impact or change on the statistical study.
  2. Experiment would mean that he imposed a certain treatment up a group in this case it would be the land.
  3. Hence we can determine that the the study was an experimental one.
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seraphim [82]

Answer:

x<-2

Step-by-step explanation:

-5x+2/6 >2

-5x+2>12

-5x>12-2

-5x>10

-x>2

x<-2

6 0
2 years ago
Alexis and Mariana are hiking. Alexis climbs to the
RSB [31]

Answer:

447 ft

Step-by-step explanation:

Add 417 and 30 together. That will give you the total direct distance between the two. 417+30=447

4 0
3 years ago
HELP ME THIS IS EXTRA CREDIT!!!!!!! 
Svetach [21]
2800 + 1.18x = y
x = monthly sales
y = monthly income
y needs to be at least 6400 so that means;

2800 + 1.18x ≥  6400
1.18x ≥ 6400 - 2800
x ≥ (6400 -2800) / 1.18
x ≥ 3050

So she needs to earn at least 3050, which means <span>≥ 3050</span>

3 0
3 years ago
100 points
inna [77]

\huge{ \mathbf{  \underline{ Answer }\:  \:  ✓ }}

The sand we need to fill the cylinders is equal to the total volume of the six cylindrical posts .

Given terms ( common for each cylinder ) :

  • height (h) = 4 ft
  • radius. (r) = 0.5 ft

\large \boxed{ \mathrm{volume =\pi {r}^{2}  h}}

  • 3.14 \times  \dfrac{1}{2}  \times   \dfrac{1}{2}  \times 4

  • \mathrm{3.14 \: ft {}^{3} }

Since volume of each cylinder is equal, so total volume of six cylindrical post :

  • 3.14 \times 6

  • { \mathrm{18.84 \: ft {}^{3} }}

_____________________________

\mathrm{ ☠ \: TeeNForeveR \:☠ }

3 0
3 years ago
Read 2 more answers
What is an example of a coefficient?<br><br> 5 + x<br><br> x + 5<br><br> 5x<br><br> 5 - x
My name is Ann [436]

Answer:

I think the answer to the question is 5x

7 0
3 years ago
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