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Dominik [7]
3 years ago
6

If element X has 78protons, how many electrons does it have

Mathematics
2 answers:
Maslowich3 years ago
6 0
It would have 78 as well
AleksAgata [21]3 years ago
3 0

Answer:


Step-by-step explanation:


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Beth has already jogged 3 miles. she plans to jog less than 12 miles. which inequality can be used to find the number of miles (
Slav-nsk [51]
So we want to know how to write the inequality for Beth's jogging. The total number of miles Beth plans to jog cant go over 12, and she has already jogged for 3 miles, then she needs to jog for another m miles. This can be written mathematically like: 3 + m < 12. In other words: 3 miles + m miles Beth still plans to jog cant go over 12 miles. 
5 0
3 years ago
The photo printed has length of 6 imams width of 4. A smaller picture is printed the ratio of the new picture to the size of the
Serggg [28]
We know the width of the first picture, is 4
we know the ratio from smaller to larger is 1.5:2

thus     \bf \cfrac{\textit{width of small}}{\textit{width of large}}\qquad 1.5:2\implies \cfrac{1.5}{2}=\cfrac{w}{4}

solve for "w".

we know the length of the first picture, 6

\bf \cfrac{\textit{length of small}}{\textit{length of large}}\qquad 1.5:2\implies \cfrac{1.5}{2}=\cfrac{L}{6}&#10;

solve for "L".
3 0
3 years ago
5. Rory is playing a video game where each game lasts 13⁄4 hours. He wants to play for 9 hours today and this evening. How many
olga_2 [115]
He can play two games. 13/4=3.25
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7 0
3 years ago
Mrs lane took a survey of the types of pants her students were wearing. She collected the data of the types of pants her student
kirill [66]
It is always important to go through the given problem first to get a concept of the requiremement. Then all the information's available from the question has to be noted down in such a manner that there would be no need to look at the question while solving.
Total number of students wearing jeans = 10
Total number of students wearing shorts = 9
Total number of students wearing capris = 2
Then the total number of students surveyed by Mrs Lane = (10 + 9 + 2)
                                                                                            = 21
Now percentage of students wearing shorts = (9/21) * 100
                                                                       = (3/7) * 100
                                                                       = 300/7
                                                                       = 42.85 percent
So a total percentage of 42.85% of the students were wearing shorts.
5 0
3 years ago
The slope and its opposite reciprocal slope form a _____ angle.
KiRa [710]

Answer:

90 degree

Step-by-step explanation:

I just know (I don't I just need points). : )

3 0
2 years ago
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