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yaroslaw [1]
3 years ago
14

Brian orders a center pivot irrigation system to water his field system is made up of a line connected pipes that turn around a

center point Brian system will be 1000 150 feet long what is the longest distance across the space the system still water show your work
Mathematics
2 answers:
bogdanovich [222]3 years ago
8 0

Answer:

the longest distance across the space the system still is 3.29ft

Step-by-step explanation:

Your question isn't too clear but base on my understanding, I presumed this solution below.

Area = πr²/43560

Area = 1000 * 150 = 150,000 ft²

π = pi

r = pivot length in ft

150,000 = πr²/43560

150,000 = r²/0.00007212

150,000 * 0.00007212 = r²

10.818 = r²

r = √10.818 = 3.29 ft

Andrews [41]3 years ago
4 0

Answer:

2,300

Step-by-step explanation:

since it turns it would be double and both radius would be 1,150ft you have to add them together and then you get 2,300ft.

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How to express the radical using the imaginary unit , i. Please help
Hitman42 [59]

Answer:

± 4i\sqrt{5}

Step-by-step explanation:

\sqrt{-80} = \sqrt{16(5)(-1)}

= \sqrt{16} × \sqrt{5} ×\sqrt{-1}

= 4\sqrt{5}i → [ \sqrt{-1} = i ]


3 0
4 years ago
The core melt- down and explosions at the nuclear reactor in Chernobyl in 1986 released large amounts of strontium-90, which dec
elena-14-01-66 [18.8K]

If S(t) is the amount of strontium-90 present in the area in year t, and it decays at a rate of 2.5% per year, then

S(t+1)=(1-0.025)S(t)=0.975S(t)

Let S(0)=s be the starting amount immediately after the nuclear reactor explodes. Then

S(t+1)=0.975S(t)=0.975^2S(t-1)=0.975^3S(t-2)=\cdots=0.975^{t+1}S(0)

or simply

S(t)=0.975^ts

So that after 50 years, the amount of strontium-90 that remains is approximately

S(50)=0.975^{50}s\approx0.282s

or about 28% of the original amount.

We can confirm this another way; recall the exponential decay formula,

S(t)=se^{kt}

where t is measured in years. We're told that 2.5% of the starting amount s decays after 1 year, so that

0.975s=se^k\implies k=\ln0.975

Then after 50 years, we have

S(50)=se^{50k}\approx0.282s

5 0
3 years ago
What is the equation of the line x–3y=18in slope-intercept form?
masha68 [24]

Answer:

the answer would be done like this

Step-by-step explanation:

you have to get y by itself so you would need to move the x to the right of the equal sign

once you move anything to the opposite side it switches, so positive becomes negative vice versa

-3y=-x+18

you need to make sure you have positive 1 y so you would divide y by -3 to make it 1

everything else is multiplied by -3 as well

so the answer would be y=⅓x-6

3 0
3 years ago
Read 2 more answers
Help 5y^5/y^3 a) 5y^2 b) 5/y^2 c) 5y^8 d) 5y
WARRIOR [948]

Answer:

a) 5y²

Step-by-step explanation:

5 divided by 1 is still 5

y^5/y^3 subtract the exponents since the base is the same

6 0
4 years ago
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Olegator [25]

Answer:

x ≤ 90?

Step-by-step explanation:

7 0
3 years ago
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