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zzz [600]
3 years ago
13

You use 4 gallons of water on 30 plants. At that rate how much water will you need for 45 plants?

Mathematics
2 answers:
Alja [10]3 years ago
8 0
You would use 6 gallons of water to water 45 plants 
4=30  
\frac{45}{30}=\frac{3}{2}
\frac{3}{2}of 4 gallons = 6 gallons
kow [346]3 years ago
7 0

you will need 6 gallons for 45 plants. to find the answer you need to set up a proportion. 4/30=x/45. 45*4=180. 180/30=6

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Brainliest to most helpful! Answer asap!
kap26 [50]

ΔAOB is a right angled triangle. Therefore the Pythagorean Theorem applies in this situation.
θ is the angle from a standard position of the line OA

The length of the y component is √(1-0)2 +(-3-(-3))2] =√(12+ 02) = 1 A(-3,1) to B(-3,0) which is opposite

Then the length of the x-component is √[(-3-0)2 +(0-0)2] = √(9+0)= 3 B(-3,0) to O(0,0) which is adjacent

The length of vector OA is √[(-3-0)2 + (1-0)2] = √(9+1) = √(10) A(-3,1) to O(0,0) which is the hypotenuse of the triangle

θ = 180 - α
sinθ = sin(180-α) = opposite/hypotenuse = 1/√10
cosθ = adjacent/hypotenuse = -3/√10
tanθ = opposite/adjacent = 1/-3 = -1/3

α= arcsin(1/√10) ≈ 18
θ =180 -18 ≈162
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larisa [96]
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Over [174]
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I hope this helps:)</span>
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3 years ago
Read 2 more answers
***WILL BE MARKED BRAINLIEST***​
xz_007 [3.2K]

Answer:

a

Step-by-step explanation:

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