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MakcuM [25]
2 years ago
6

The times of 4 boys in a 4 X 100 metres relay race were:

Mathematics
1 answer:
valina [46]2 years ago
3 0
Walter I believe is the correct answer
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Determine whether the formula describes y as a function of x. Explain your reasoning.. . y = -x
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The given formula above, y = -x, is a sample of a function. A function is an equation that would give only one value of y for every value of x. This is the same as saying that exactly one output is set by each input. If we take x = -1, the value of y is 1 and nothing else. 
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1. The graphs below represent functions defined by polynomials. For which function are the zeros of the
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the second graph (c)

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What is the ratio for sin B?
Y_Kistochka [10]

Answer: 22.6°

Approximately: 23°

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3 years ago
Given the following exponential function, identify whether the change represents growth or decay, and
cestrela7 [59]

Answer: 97% growth rate.

Step-by-step explanation:

Hi, to answer this question we have to analyze exponential function:

A = P (1 + r) t  

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p = initial value

r = growth or decay rate (decimal form)

t= number of time intervals

A = value after t intervals

Replacing with the values given:

y=3400(1.97)^x

Where the term 1.97 = 1 + r

Solving for r:

1.97-1 = r

0.97 =r

Since the rate is positive, it is a  growth rate.

To determine the percentage we have to multiply it by 100

0.97 x 100 = 97%

Feel free to ask for more if needed or if you did not understand something.

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