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Trava [24]
4 years ago
5

Explain why molecules do not have electric charges

Mathematics
1 answer:
Tomtit [17]4 years ago
6 0
Because, the total number of electrons is equal to the number of protons.
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I meed to find the length of AC
Serhud [2]

Answer:

sin(x) = opposite_side  / Hypotenuses

sin(35) = x/5

x = 5 sin(35) = 2.87

Step-by-step explanation:

6 0
3 years ago
Renting a canoe in a nautical center costs $ 5 per hour and $ 5 for each additional hour. Determine the equation of the function
nasty-shy [4]

Answer: 5 + 5w

Step-by-step explanation:

We can use the variable <em>x </em>to describe each additional hour, although the vairable can be substituted for any other vairable.

We know that the main cost for one hour is $5, and that each additional hour will cost $5.

Therefore, the equation to reflect this situation would be 5 + 5w, because the first 5 represents the first hour, and the 5w represents how much each hour costs. If you rent two extra hours, then the cost would end up being 15, because the equation would become: 5 + (5x2) = 15.

The equation is 5 + 5w. Hope this helps, and good luck!

4 0
3 years ago
Eugene walked all the way to school at 3 mph then realized she forgot her math book (how could she?!), so she ran back at 7 mph.
Fynjy0 [20]

\text{Answer: }1\frac{23}{40}\ miles\text{ far she live from school.}

Explanation:

Since we have given that

Speed at which Eugene walked all the way to school = 3 mph

After realizing that she forgot her math book, she ran back

Speed at which Eugene walked back to her house = 7 mph

Let the distance between her house and her school be x

According to question,

\frac{x}{3}+\frac{x}{7}=\frac{45}{60}\\\\\frac{7x+3x}{21}=\frac{3}{4}\\\\\frac{10x}{21}=\frac{3}{4}\\\\x=\frac{3\times 63}{4\times 10}=\frac{63}{40}=1\frac{23}{40}\ miles.

Hence,

1\frac{23}{40}\ miles\text{ far she live from school.}

8 0
3 years ago
Please Help ! Need Answers !
erma4kov [3.2K]
Whats your question
6 0
3 years ago
What does congruent mean?
Maksim231197 [3]
In geometry it means “identical in form”
3 0
3 years ago
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