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2 years ago

Ling plotted a point and its opposite on a number line. Which two points could Ling have plotted?

Mathematics

2 answers:

yanalaym [24]2 years ago

3 0

B because 5divided by 5 =1 and 15 divided by 5=3 which would be 1/3 and 1/3 is the opposite or -1/3

olga2289 [7]2 years ago

3 0

B and it helps to plot it out on a number on or you can find one online to fill in

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Pls help for 50 points NO WEBSITES please help

Arlecino [84]

Answer:

Solution: $4\frac{3}{4}$ , 3.5, -15, 5

Not a solution: 129 and $10\frac{2}{3}$

Step-by-step explanation:

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2 years ago

The world brand of rivet placement is 11209 rivets in 9 hours and belongs to J. Mair of Ireland. If another person places 11209

Ilya [14]

Answer:

4.74 hours

Step-by-step explanation:

Given that both person have to place same number of rivets that is

11209

first person take 9 hours to complete the work

hence 1 hour work of 1st person is $\frac{1}{9}$ of total work

second person takes 10 hours to complete the same work

hence 1 hour work of 2nd person is $\frac{1}{10}$

Now if both work together then

1 hour work of both person = $\frac{1}{9} +\frac{1}{10}$ = $\frac{19}{90}$

thus working together they need $\frac{90}{19}$ hours = 4.74 hours to complete the whole work which is placing 11209 rivets

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3 years ago