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jarptica [38.1K]
2 years ago
6

Bonjour pouvez-vous m'aider, j'ai un dm de math niveau 3ème à rendre avant le mardi 14 Septembre, voici l'annoncer:

Mathematics
1 answer:
Law Incorporation [45]2 years ago
6 0

Answer:

English Translation

Hello can you help me, I have a 3rd level math dm to return before Tuesday September 14th, here is the announcement:

A 25m cable is stretched from the top of a vertical pylon. The ground is considered horizontal. The distance between the base of the pylon and the ground anchoring point of the cable is 4m. Draw a diagram of the situation, determine the height of this pylon, justifying the method used.

Thank you kindly answer me, good evening.

Step-by-step explanation:

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<span>associative property of multiplication?
answer
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6 0
3 years ago
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Tatiana [17]
It's <span>Diophantine equation. 
First, we need to found gcd(6,(-2)):</span>
6=2*3
(-2)=(-1)*2

So, gcd(6,-2)=2
Now, the question is. Can we dived c=24, by gcd(6,-2) and in the end get integer?
Yes we can.
\frac{24}{2} =12
So, we can solve it.

Now is the formula:
{\displaystyle {\begin{cases}x=x_{0}+n{\frac {b}{\gcd(a,\;b)}}\\y=y_{0}-n{\frac {a}{\gcd(a,\;b)}}\end{cases}}\quad n\in \mathbb {Z} .}

Second, we need the first pair (x0,y0) 
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x=0
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Third, we gonna use that formula:
{\displaystyle {\begin{cases}x=-n}\\y=-3(4+n)}\end{case}\quad n\in \mathbb {Z} .}
Congratulations! We solve it.


8 0
3 years ago
Read 2 more answers
The Baldwin family walked of a mile in of an hour. What is their unit rate in miles per hour? (5 points)
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So walked 4/5 mile in a 4/9 h  so just use the rule of 3 simple 

60 minutes ------ 1 hour
x min. ----------- 4/9 h
--------------------------------
x = 4/9 *60/1 = 240/9 =  26,6 min. 

4/5 mile -------in 26,6 min.
1 mile --------   x min.
-----------------------------
x = 1*26,6/(4/5) = 26,6 /(0,8) = 33,25 min. 

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so their unit rate in miles per hour will be 1,8 miles / hour 

hope this will help you.
3 0
3 years ago
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Pie

Answer:

$12.79 + $6.75 = $19.54

Step-by-step explanation:

3 0
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Answer:

In think the answer is 42,000

Step-by-step explanation:

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