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2 years ago

In the past two decades, the number of teenage pregnancies has

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1 answer:

Levart [38]2 years ago

4 0

In the past two decades, the number of teenage pregnancies has dropped dramatically across all ethnic groups.

<h3>Why has teenage pregnancies has dropped dramatically across all ethnic groups?</h3>

The teenage pregnancies has dropped dramatically across all ethnic groups because of the education , there are alot of parents that are now educated to educate their children about danger of teenage pregnancies.

Also, there has been increased in protective measure by the government to reduce teenage pregnancies, hence, In the past two decades, the number of teenage pregnancies has dropped dramatically across all ethnic groups.

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suppose you push a hockey puck of mass m across frictionless ice for a time 1.0 s, starting from rest, giving the puck speed v a

saul85 [17]

Answer: Twice the previous time would be taken to reach the same speed v with the puck of mass 2m.

Explanation:

Let a Force pushes the hockey puck of mass m.

Then acceleration, a= \frac{F}{m}a=mF

From the equation of motion,

\begin{gathered}\➪ v=u+at\\ v=0+\frac{F}{m}\Delta t\end{gathered}⇒v=u+atv=0+mFΔt ......(1)

In the second case, when mass is 2m, then acceleration,

a'=\frac{F}{2m}a′=2mF

and t' is the time taken.

The final speed is v,

\begin{gathered}\➪ v=0+ a't'\\ \➪ \frac {F}{m}\Delta t=\frac{F}{2m}t'\\ \➪ t'= 2\Delta t\end{gathered}⇒v=0+a′t′⇒mFΔt=2mFt′⇒t′=2Δt using equation (1)

Hence, it would take two times the previous amount of time to push the pluck of double mass.

 I hope this is understandable and if my answer helped you please can you give me a brainliest its will really help me and thank you have a nice day!!

3 0

2 years ago

Read 2 more answers

Question 1 with 1 blank si la puerta no está abierta, está 1 of 1. Question 2 with 1 blank marco está 1 of 1 porque tiene un exa

castortr0y [4]

The missing words in the presented sentences are: 1. cerrada, 2. preocupado, 3. cansado, 4. aburrido, 5. enojada, 6. sucio.

<h3>How to identify missing words?</h3>

To identify the missing words in each sentence, we must review its basic structure, making sure that it has a subject, verb, and complement.

Additionally, we must identify to which category the missing words correspond, in this case they are adjectives. According to the above, the complete sentences would look like this:

1. Si la puerta no está abierta, está cerrada.

2. Marco está preocupado porque tiene un examen hoy.

3. Juan necesita dormir porque está cansado.

4. Felipe está aburrido porque no encuentra nada interesante que hacer.

5. Ana está enojada porque no encuentra el libro que busca.

6. Debes limpiar el piso porque está sucio.

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1 year ago

Are penn foster highschool proctored exams optional?

yulyashka [42]

Answer:

Starting in 2014, Penn Foster began introducing online proctoring as an additional option to a face-to-face proctor. Since then, thousands of remote proctored exams have been taken on Penn Foster’s systems, with less than 1% of proctored events flagged for infractions. What does this mean? It means that within this exam environment, students are unlikely to cheat. To simulate a traditional test-taking environment, the student is given strict guidelines regarding what they can and cannot do, including rules for what they are allowed to bring into the room with them, and when they are allowed to leave. The student is recorded via webcam while the testing system controls what the student sees on their screen. For additional identity verification, students are asked to present their license or ID to the webcam. The remote proctoring platform audits the recordings after the fact, and contacts Penn Foster with any reports of infractions.

For students who are unable to take remote proctoring, they must use paper proctored exams. In this case, the student finds someone who meets the requirements to proctor the exam, and Penn Foster verifies the individual. Penn Foster continues to work to switch over all exams to the remote proctor option, via an ongoing programmatic roll-out

Explanation:

hope this helps

8 0

3 years ago

The periodic table is arranged by various patterns. Is there a pattern with regard to ionic charge? In three to five sentences,

Flura [38]

Ionic charge increases from left to right in periodic table which results in a decrease in ionic radius.

Ionic charge is the electrical charge of an ion formed when when an atom gains or losses electron.

Metals form ionic charge (cation) by the loss of electron while non-metal form ionic charge (anion) by the gain of electron.

This ionic charge increases across the group and consequently, results in a decrease of ionic radius.

When a positive ion (cation) transfers electron to the negative ion (anion) an Ionic bond will be formed.

For example;

ionic charge of group 1 elements = +1
ionic charge of group 2 elements = + 2
ionic charge of group 3 elements = + 3
ionic charge of group 4 elements (carbon group) = -4 or +4, (they don't usually form ions)
ionic charge of group 5 elements = -5
ionic charge of group 6 elements = -6
ionic charge of group 7 elements = -7

Thus, we can conclude that ionic charge increases from left to right in periodic table which results in a decrease in ionic radius.

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2 years ago

Which person is an example of an entrepreneur?

julia-pushkina [17]

Answer:

uh, Jeff besos

Explanation:

Jeff besos owns amazon and started it himself??

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2 years ago