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Julli [10]
2 years ago
13

Please help me with these thanks!! :)

Mathematics
1 answer:
solniwko [45]2 years ago
8 0

Answer:

this one is rational and real :)

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How do you simplify (1-x-x^2-x^3)(1-x^4)?
Vlad1618 [11]

Answer:

x^7+x^6+x^5-x^4-x^3-x^2-x+1

Step-by-step explanation:

3 0
3 years ago
A city averages 14 hours of daylight in June (the longest days) and 10 in December (the shortest days). Assume that the number o
UNO [17]

The equation is given as

y = 12 sin (6t - \pi /2) + 2

<h3>The Amplitude </h3>

The Amplitude can be calculated as

amplitude = \frac{max + min}{2}\\ amplitude = \frac{10+14}{2} = 12

<h3>The Vertical Shift</h3>

The vertical shift is the average difference between the maximum and minimum.

Vertical Shift = \frac{Max - Min}{2} = \frac{14-10}{2} = 2

For b value

The Time Period will be twice the distance between max and min.

time period = \frac{2\pi }{b} \\time period = 2 * distance between max and min\\b = \frac{2\pi }{2}*\frac{1}{b} = \frac{\pi }{6}

<h3>The Period</h3>

The period is calculated as

T = \frac{2\pi }{b} \\T = \frac{2\pi }{\frac{\pi }{b} } = 12

The equation is given as

y = 12 sin (6t - \pi /2) + 2

Learn more on time period and amplitude here;

brainly.com/question/15531840

8 0
2 years ago
Find the slope of the line that passes through<br><br><br> (7,-1) and (9,0)
mafiozo [28]

Answer:

1/2 or 0.5

Step-by-step explanation:

so to find the slope of two points you use the slope formula which is rise over run, y2-y1/x2-x1. so that would be -1-0/7-9. leading to -1/-2. so the slope is 1/2 or 0.5.

5 0
3 years ago
Help please!!!!!!!!!!!!!
gregori [183]

Answer:

dude i tried to answer this one for weeks on end, sorry i wasnt much help

Step-by-step explanation:

3 0
3 years ago
Please help, I will mark brainiest answer!
weqwewe [10]

Answer:

x = 5

Step-by-step explanation:

It is given that the angle below is a right angle, meaning that it is 90 degrees.

So, 8x and 50 must both add up to 90 degrees.

Let's make an equation that we can solve using this information.

8x + 50 = 90

8x = 40

x = 5

3 0
3 years ago
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