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elena-s [515]
3 years ago
14

what a third of a number is subtracted from ahalf of the same number, 60 is the result. Find the number.

Mathematics
1 answer:
-BARSIC- [3]3 years ago
6 0

Let's call the number n.


Based on the problem, we can create the following equation:

\dfrac{1}{2} n - \dfrac{1}{3} n = 60


Now, let's solve for n:

\dfrac{1}{2} n - \dfrac{1}{3} n = 60

  • Set up

n(\dfrac{1}{2} - \dfrac{1}{3}) = 60

  • Apply the Distributive Property

\dfrac{1}{6} n = 60

  • Combine like terms

n = 360

  • Multiply both sides of the equation by 6

The number is 360.

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n200080 [17]

Answer:

Option 2: 27 is the correct answer.

Step-by-step explanation:

Given functions are:

f(x) = x^2-2\\g(x) = 4f(x) - 1

As we can see that the function g(x) in written in terms of f(x), first of all we have to find g(x) by putting the value of f(x) in g(x)

So putting f(x) = x^2-2 in g(x)

g(x) = 4(x^2-2)-1\\= 4x^2-8-1\\=4x^2-9

As g(-3) has to be found, putting x=-3 in g(x)

g(-3) = 4(-3)^2-9\\= 4(9)-9\\=36-9\\=27

Hence

Option 2: 27 is the correct answer.

5 0
2 years ago
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10*7= 70 degrees (1st angle)
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