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IceJOKER [234]
3 years ago
13

Amy is doing a science experiment on how a certain bacterium reacts to an antibiotic. She has 3 dishes of identical bacterium sa

mples with 17 bacteria in each dish. She gives an antibiotic to all of the bacteria in one dish. All of the treated bacteria died, and the bacteria in the other two dishes survived.
Is there a sampling bias in the situation above?
Mathematics
2 answers:
Shtirlitz [24]3 years ago
7 0

Answer:

convenience sampling  give me a heart please and all the stars thanks

Step-by-step explanation:

it is right because convenience sampling is when an intact group within the population is chosen because it is easy to access. The sample of the dish that was treated was convenient because its contents were identical to the other 2 dishes.

Alik [6]3 years ago
3 0
No there is now a sampling bias
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Libby is putting together a piece of furniture. She notices that two of the pieces form a right angle. If these right angles are
Anton [14]

Answer:

Each angle  within that right angle measure 45 degrees.

Step-by-step explanation:

Given:

The two pieces of furniture forms Right angle

The Right angle  is bisected by another bar

To Find:

what would each angle measure within that right angle = ?

Solution:

The Two furniture are attached such that the ange betwwn them is right angle.

The right angle measures 90 degrees

Then an another bar bisects this right angle.

The word bisects means divided into two equal halves

so bisecting the right angle means, bisecting 90 degrees

=> \frac{90}{2}

=>45 degrees

3 0
4 years ago
Problem #1 -Find the equation of the line with the given slope and containing the given point.
DaniilM [7]
For 1)

\bf \begin{array}{lllll}
&x_1&y_1\\
%   (a,b)
&({{ -7}}\quad ,&{{ 0}})\quad 
%   (c,d)

\end{array}
\\\quad \\\\ % slope  = m
slope = {{\boxed{ m}}}= \cfrac{rise}{run} \implies 
\implies -\cfrac{3}{5}
\\ \quad \\\\
% point-slope intercept
y-{{ y_1}}={{\boxed{ m}}}(x-{{ x_1}})\qquad \textit{plug in the values and solve for "y"}\\
\qquad \uparrow\\
\textit{point-slope form}

for 2)

\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
&({{ -3}}\quad ,&{{ 17}})\quad 
%   (c,d)
&({{ -7}}\quad ,&{{ 37}})
\end{array}
\\\quad \\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}
\\ \quad \\\\
% point-slope intercept
y-{{ y_1}}={{ m}}(x-{{ x_1}})\qquad \textit{plug in the values and solve for "y"}\\
\qquad \uparrow\\
\textit{point-slope form}

then change the y= part to f(x) = 

3 0
3 years ago
Pls helpppp!!! I will give brainliest.
pashok25 [27]

Answer:

Step-by-step explanation:

The domain represents the x-values

The range represents the y-values

Domain             Range

  3                        7

                            8

                            -2

                             4

                             1

This relation is not a function because the domain value was used more than one time.  

8 0
3 years ago
Dylan buys 3.2 pounds of grapes for $2.56. What is the price per pound of the grape.
Bess [88]

Answer:

$1.25

Step-by-step explanation:

3.2/2.56=1.25

5 0
4 years ago
How to factor 8^2+4−12
tatuchka [14]

Answer: 4 ( x + 1 ) ( 2 x − 3 )

8 x 2 − 4 x − 12 8x2-4x-12 Factor 4 4 out of 8 x 2 − 4 x − 12 8x2-4x-12 .

5 0
3 years ago
Read 2 more answers
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