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JulsSmile [24]
3 years ago
10

PLEASE HELP ASAPPPPPPPP

Mathematics
2 answers:
Dvinal [7]3 years ago
5 0
3.9 x 10 ^-5 is the answer. 0.000039 in scientific notation is 3.9 x 10^-5
Reil [10]3 years ago
5 0
<span>0.6(6.5x10^5)
= 0.6 x 6.5 + 0.6 x 10^5
= 3.9 + 60,000
= 60,003.9
= 6.00039 x 10^4</span>
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The legs of a right triangle are 18 centimeters and 80 centimeters long. What is the length of the hypotenuse
Brilliant_brown [7]
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The hypotenuse is 82 centimeters long.
4 0
3 years ago
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Two of the steps in the derivation of the quadratic formula are shown below.
Helen [10]

Answer:

taking the square root of both sides of the equation

Step-by-step explanation:

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Which of the following is the graph of y = sin(0.5x)? <br><br><br>D. Edge 2021 :)​
polet [3.4K]

Answer:

You did not include the graphs, but I can explain how the graph is and so you can recognize it.

1) for x = 0, y = sin(0) = 0, so the  origin (0,0) is part of the graph.

2) The range of the function is the interval [-1, 1]. This is, y is from -1 to 1, and the graph oscilates (is a wave) between those minimum and maximum.

3) The periodicity, P, of the function is such that 0.5P = 2π = > P = 4π

That means that the values repeat every 4π interval (which is the same that 720°)

4) The zeroes of the function are 2π * n, where n is any whole number (negative, zero or positive).

That means that the function crosses the x-axis at

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5) It is an odd function (which means that f(x) = sin(0.5x) = - f(-x) = - sin(-0.5x).

Now you have plenty information to identify the graph.

I also include a graph of the function in the attached pdf file.

       

Step-by-step explanation:

Download pdf
3 0
2 years ago
A car travels at 90km/h , how far will it go in a minute
Basile [38]
Speed = 90km/hr
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Speed = Distance / Time
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D = (90 km/hr) * (1/60 hr)
D = 1.5 km (ANSWER)
6 0
2 years ago
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