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xxTIMURxx [149]
3 years ago
7

What is 420/15 simplified to

Mathematics
2 answers:
Alika [10]3 years ago
4 0
For simplifying 420/15 we check if these both numbers are divisible by any one number ...
here these no:s can be divided by 5 ..

450/15 =84/3 = 28/1 ....
therefore the simplified form of 420/15 is 28/1 or 28 ...

Hope it helps !!!
Ghella [55]3 years ago
3 0
So,

In order to simplify a fraction, we have to factor both the numerator and the denominator.
\frac{420}{15} --\ \textgreater \   \frac{2*2*3*5*7}{3*5}

Cross out ones.
\frac{2*2*7}{1}\ or\ 28
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3w - 11 = 25<br> can someone answer this plz
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Answer:

w = 12

Step-by-step explanation:

3w = 11 + 25

3w = 36

w = 12

Hope that helps!

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mr_godi [17]

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For fun question
ZanzabumX [31]
Consider the function f(x)=x^{1/3}, which has derivative f'(x)=\dfrac13x^{-2/3}.

The linear approximation of f(x) for some value x within a neighborhood of x=c is given by

f(x)\approx f'(c)(x-c)+f(c)

Let c=64. Then (63.97)^{1/3} can be estimated to be

f(63.97)\approxf'(64)(63.97-64)+f(64)
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Since f'(x)>0 for x>0, it follows that f(x) must be strictly increasing over that part of its domain, which means the linear approximation lies strictly above the function f(x). This means the estimated value is an overestimation.

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hodyreva [135]
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A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the
7nadin3 [17]

Answer:

Widgets should be sold by $38.88 to maximize the profit.

Step-by-step explanation:

Vertex of a quadratic function:

Suppose we have a quadratic function in the following format:

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It's vertex is the point (x_{v}, y_{v})

In which

x_{v} = -\frac{b}{2a}

y_{v} = -\frac{\Delta}{4a}

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If a<0, the vertex is a maximum point, that is, the maximum value happens at x_{v}, and it's value is y_{v}.

In this question:

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y = -9x^2 + 700x - 6005

Which is a quadratic function with a = -9, b = 700, c = -6005

The maximum profit happens at the x of the vertex. Thus

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Widgets should be sold by $38.88 to maximize the profit.

7 0
2 years ago
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