Please someone answer

Mathematics

1 answer:

MatroZZZ [7]4 years ago

4 0

Answer:

Structure of the Atom. The number of protons, neutrons, and electrons in an atom can be determined from a set of simple rules. The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons.

*Simply the atomic number helps the structure of the atom because the number of protons it's equal to the atomic number.*

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A physical education teacher plans to divide the seventh graders at Wilson middle school into teams of equal size for a year-end

serg [7]

Answer:

• It is possible to divide the seventh graders into teams of equal sizes.

• 13 students should be on each team.

Explanation:

The seventh grade of Wilson consists of three classes; one with 28 students, one with 29, and one with 34. Therefore, the total number of students in seventh grade is:

$\text{Total}=28+29+34=91$

He wants each team to have between 4 and 8 students.

$\begin{gathered} \frac{91}{4}\approx22.75 \\ \frac{91}{5}\approx18.2 \\ \frac{91}{6}\approx15.2 \\ \frac{91}{7}\approx13 \\ \frac{91}{8}\approx11.4 \end{gathered}$

Therefore:

• It is possible to divide the seventh graders into teams of equal sizes.

• 13 students should be on each team.

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1 year ago

Use the distance formula to determine the distance between (-8,10) and (-6,7)

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Answer:

Distance: $\sqrt{13}$ units