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Nezavi [6.7K]
3 years ago
11

Ray predicted he would score 18 points during a basketball game. He only scored 12 points. What is his percent error

Mathematics
2 answers:
o-na [289]3 years ago
5 0

Answer:

His percentage error is 33%.

Step-by-step explanation:

18 - 12 = 6

6 is one-third of 18, which is equivalent to 33%.

Andre45 [30]3 years ago
3 0

Answer:

hey read this no quema cuh

Step-by-step explanation:

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Given the function f(x) = x2 and k = 3, which of the following represents the graph becoming more narrow?
Bess [88]
Functions A and C and D are translations - this means that they are exactly the same shape as f(x), but are displaced on the axes. A translation in the y-direction by k units is represented by f(x) + k, and a translation in the x-direction by k units is represented by f(x - k). This can be summarised in column vector notation:

A translation of the graph y = f(x), by the vector \left[\begin{array}{ccc}a\\b\end{array}\right] results in the graph defined by y - b = f(x - a). This is done by replacing x with (x - a) and y with (y - b). Finally it is rearranged to make y the subject, as is often the convention: y = f(x - a) + b.

Since the graph needs to change shape, this requires a 'stretch'. A stretch is performed by multiplying x or y by a constant, which here is k.

To stretch in the x-direction by a factor n, replace x with (1/n)x. Similarly to stretch in the y-direction by a factor n, replace y with (1/n)y.

For example to stretch y = f(x) by factor n in the x-direction, it would become y = f((1/n)x).

A simple quadratic graph like y = x^2 behaves slightly differently to most other graphs, in that it can narrowed by a stretch in the x or y direction. This means that a more convenient option is to perform a stretch in the y direction, since the multiplier lies outside the function notation. The stretching factor is 3, so we replace y with (1/3)y:

(1/3)y = f(x)
y = 3f(x)

Since k = 3, this becomes

y = kf(x)

... and hence the correct answer is B
6 0
3 years ago
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I need this math question solved fast please!!!
beks73 [17]

Answer:

5 2/3

Step-by-step explanation:

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3 years ago
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Oduvanchick [21]

Answer:

1.

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Step-by-step explanation:

ratios are basically in "#:#" form. then put that in a table. remember that for each one of one thing, it is equivalent to another thing. it might be easy to count it. good luck

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irina [24]
Your answer should be 168.40 
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3 more than the cube of a number.
Artemon [7]

Answer:

x³+3

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