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Valentin [98]
2 years ago
14

the scale of map is 1:25000. the distance between two villages is 10cm on the map. find the actual distance in KM between the vi

llages.
Mathematics
1 answer:
Schach [20]2 years ago
4 0

If 1 cm equals 25000 km, then you would just need to plug 10 into the equation.

10*25000= 250000 km

The actual distance between the villages is 250000 km.

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What number is not part of the domain of f(x)= 3/ x+5<br> (3 over x + 5)
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2 years ago
The sum of two integers is 26. the sum of the squares of the two integers is 340. what is the product of the two numbers?
Phoenix [80]
Lets say that the two unknown integers are n and m.

We know the following things about n and m:

n+m=26
n^2+m^2=340

And, we want to find nm.

To solve this, we'll use the expansion of the squared of the sum of any two inegers; this is expressed as:

(n+m)^2=n^2+2nm+m^2

So, given what we know about the unknown integers, the previous can be written as:

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We can easily solve for nm:

nm= \frac{(26)^2-340}{2}= \frac{676-340}{2}= \frac{336}{2}=168

The answer is 168.

Another approach to solve the problem is, from the two starting equations, compute the values of n and m, which are 12 and 14, and directly compute their product; however, the approach described is more elegant. 
5 0
2 years ago
David had $35 to spend at the fair. If the admission to the fair is $4.5 and the rides cost $1.50 each, what is the greatest num
sleet_krkn [62]

Answer:

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20*1.5=30 and 30 plus 4.5 equals 34.5

5 0
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I need Help please help with X - 7.6 = 18.2
nalin [4]

Answer:

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Step-by-step explanation:

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I hope this helps!

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Answer:

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Step-by-step explanation:

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