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lutik1710 [3]
3 years ago
9

To fight a bacterial infection, a patient was given an antibiotic to take for 10 days. After the patient finished taking the ant

ibiotics as directed, almost all the bacteria were killed. After another 10 days, the patient was sick again with the same type of infection.
What most likely happened?

A A few bacteria survived the antibiotics and stopped reproducing.

B The patient’s high fever inactivated the antibiotic, allowing the surviving bacteria to grow rapidly.

C The antibiotic slowed the life cycle of the bacteria.

D Some of the bacteria were resistant to the antibiotic, and they
reproduced.

HELP!!
Physics
2 answers:
Nina [5.8K]3 years ago
7 0

Answer:

its D

Explanation:

didnt see what u said lol they deleted it again :(

erik [133]3 years ago
3 0

Answer:

ccfvvv

Explanation:vvvvvvvv

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An old iron beam was coated with an unknown metal. there is a crack on the coating and it is observed that the iron is rusting a
IgorLugansk [536]
Based on the given description above about the metal that is being used for fractures, the old metal coating that was used before was made of TIN, and now, the metal that is used to repair fractures in order to avoid further corrosion is ALUMINUM. Hope this answer helps.
3 0
4 years ago
If you carry out an experiment measuring the weight and mass of objects in one particular location on the earth, what relation w
Elina [12.6K]
The answer is letter C.

Weight (on Earth) is the force due to the mass of Earth attracting whatever mass is subject of discussion.

The force of attraction between any two masses is called Newton's Law of Universal Gravitation:

G \frac{m_1m_2}{d^2}

G is simply a given constant.

If we're at the surface of Eath, m_1 refers to the mass of the Earth, m_2 to the mass of whatever is on the surface of Earth, and d to the radius of Earth. 

Normally, we define a constant g to be equal to G \frac{M}{r^2}; in which M is the mass of Earth and r the radius of earth; g happens to be around 9.8.

By that, we adapt the Law of Universal Gravitation to objects on the surface of Earth, we call that force Weight.

W=mg

As you can see, weight is directly proportional to mass, more mass implies more weight.
8 0
4 years ago
Biological factor related to antisocial personality disorder is
dusya [7]
Schizotypal personality disorder and borderline personality disorder 
4 0
3 years ago
Read 2 more answers
If a net horizontal force of 7.5 N is applied to a baby carriage whose mass is 12.5 kg what acceleration is
11111nata11111 [884]

Answer:

<h2>0.6 m/s²</h2>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

a =  \frac{f}{m} \\

f is the force

m is the mass

From the question we have

a =  \frac{7.5}{12.5}  \\

We have the final answer as

<h3>0.6 m/s²</h3>

Hope this helps you

8 0
3 years ago
It is known that the kinetics of recrystallization for some alloy obeys the Avrami equation, andthat the value of n in the expon
trapecia [35]

Answer:8.76\times 10^{-3} min^{-1}

Explanation:

Given

n=5

0.3 fraction recrystallize after 100 min

According to Avrami equation

y=1-e^{-kt^n}

where y=fraction Transformed

k=constant

t=time

0.3=1-e^{-k(100)^5}

e^{-k(100)^5} =0.7

Taking log both sides

-k\cdot (10^{10}=\ln 0.7

k=3.566\times 10^{-11}

At this Point we want to compute t_{0.5}\ i.e.\ y=0.5

0.5=1-e^{-kt^n}

0.5=e^{-kt^n}

0.5=e^{-3.566\times 10^{-11}\cdot (t)^5}

taking log both sides

\ln 0.5=-3.566\times 10^{-11}\cdot (t)^5

t^5=1.943\times 10^{10}

t=114.2 min

Rate of Re crystallization at this temperature

t^{-1}=8.76\times 10^{-3} min^{-1}

3 0
3 years ago
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