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amm1812
3 years ago
15

A precise set of measurements MUST _____.

Biology
1 answer:
WINSTONCH [101]3 years ago
4 0

Answer:

<em>The correct option is A) have a small range</em>

Explanation:

In quantitative approaches, precise can be described as marking something by exactness and by more accuracy.

In a precise measurement, the accuracy is maintained because a precise measurement tends to have a very small range. Precisely means any measurement or description which is very exact as it is made over a very small range. For example, bringing the exact same amount of money which was required for buying a book.

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There are 100 cats in a population that follows hardy-weinberg conditions. 4 cats display a recessive white coat color. how many
mr Goodwill [35]

We know that Hardy-Weinberg conditions include the following equations:


p^{2}+2pq+ q^{2}=1


where p+q=1


And where p = dominant, and q = recessive; this means that p^{2} is equal to the homozygous dominant, 2pq is the heterozygous, and q^{2} is the homozygous recessive .


So we have 100 total cats, with 4 having the recessive white coat color. That means we have a ratio of \frac{4}{100} or 0.04. Let that equal our q^{2} value.


So when we solve for q, we get:


q^{2}=0.04

q=\sqrt{0.04} =0.2


Now that we have our q value, we can use the other equation to find p:


p+q=1


p+0.2=1


p=0.8


So then we can solve for our heterozygous population:


2pq=2(0.8)(0.2)=0.32


This is the ratio of the population. So we then multiply this number by 100 to get the number of cats that are heterozygous:


0.32*100=32cats


So now we know that there are 32 heterozygous cats in the population.

8 0
3 years ago
This Richterometer is used to measure seismic waves.<br> True<br> False
barxatty [35]
It is true but commonly called Richter meter
4 0
3 years ago
Lab report on mass and motiom golf ball, rubber ball, plastic ball
Tasya [4]

Answer:

Mass and density in the increasing order among the mentioned balls are as follows: golf>rubber>plastic whereas Motion of rubber ball is higher than of golf and plastic ball due to elasticity of the rubber.

Moment of inertia of the ball is dependent on the mass and velocity of the balls which in turn will determine the motion of the balls. Elasticity property of the rubber ball will help to provide opposite force and can enhance the motion of the rubber ball as compared to golf or plastic balls.

5 0
3 years ago
A scientist conducts an experiment to test the effects of light on earthworm activity. Which is a variable in this experiment? l
777dan777 [17]

<span>I believe it is light, but this is kind of a confusing question. Technically there is a independent and dependent variable in the question. The variable being manipulated is light, and the earthwork activity depends on the light. </span>

7 0
3 years ago
Read 2 more answers
Need help with this ! Thank you
Zanzabum
Not sure to good to be true
6 0
4 years ago
Read 2 more answers
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