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miskamm [114]
3 years ago
6

20 POINTS!

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
3 0

Answer:

19

Step-by-step explanation:

idk the steps for the problem

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A train leaves Philadelphia at 3 PM. The second train leaves the same city in the same direction at 9 PM. What is the speed of t
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This question is lacking vital information, such as when they got there.
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PLEASE HELP!!!<br><br>Can sometime help me solve this?
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3 years ago
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Which function has a domain of all real numbers except x=π/2 ±nπ?
boyakko [2]
<span>A. y=secx This problem deals with the various trig functions and is looking for those points where they are undefined. Since the only math operations involved is division, that will happen with the associated trig function attempts to divide by zero. So let's look at the functions that are a composite of sin and cos. sin and cos are defined for all real numbers and range in value from -1 to 1. sin is zero for all integral multiples of pi, and cos is zero for all integral multiples of pi plus pi over 2. So the functions that are undefined will be those that divide by cos. tan = sin/cos, which will be undefined for x = π/2 ±nπ cot = cos/sin, which will be undefined for x = ±nπ sec = 1/cos, which will be undefined for x = π/2 ±nπ csc = 1/sin, which will be undefined for x = ±nπ Now let's look at the options and pick the correct one. A. y=secx * There's a division by cos, so this is the correct choice. B. y=cosx * cos is defined over the entire domain, so this is a bad choice. C. y=1/sinx * The division is by sin, not cos. So this is a bad choice. D. y=cotx, * The division is by sin, not cos. So this is a bad choice.</span>
4 0
3 years ago
I need help now it's an emergency please help me with this
marshall27 [118]

Answer:

Population of the 48th generation will be 4469.

Step-by-step explanation:

Recursive formula by which the population is increasing,

L_{n+1}=L_n+95

L₀ = 4

Common difference 'd' = 95

Recursive formula represents a linear growth in the population.

Therefore, explicit formula for the given sequence will be,

L_n = L₀ + (n - 1)d [Explicit formula of an Arithmetic sequence]

Here n = Number of terms

L₄₈ = L₀ + (48 - 1)(95)

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     = 4469

Therefore, population of the 48th generation will be 4469.

4 0
3 years ago
Find the missing lengths of the sides
dusya [7]

Answer:

a=9, c=19

Step-by-step explanation:

Aight so basically in 30, 60, 90 triangles there is a formula for the sides

the hypotenuse(the longest side)=2a

The tiny side (the smallest side)=a

and the middle child =a\sqrt{3}

Based on that we see that a is 9

and since c=2a then it's 18

4 0
3 years ago
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