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Vladimir [108]
3 years ago
13

Andrea conducts a science experiment and observes that the height of a plant depends on the amount of sunlight it

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
5 0

Answer:  A(h) = 37 +004h

Step-by-step explanation:

Hi, to answer this question we have to apply  the next function:

A = P + rh  

Where:  

p = original height  

r = growing rate (decimal form)

h= hours

A =height after t hours

Replacing with the values given:  

A (h)= 37 +004h

Feel free to ask for more if needed or if you did not understand something.  

Liono4ka [1.6K]3 years ago
5 0

Answer:

The correct answer to this is f(s) = 0.004s + 37 just answered this question :)

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How many solutions will the following system of linear equations have? –2x + 4y = –7 y= -1/2x + 5 A. 0 B. 1 C. 2 D. infinite
FinnZ [79.3K]

Answer:

B. 1

Step-by-step explanation:

they only cross at one point... look below

7 0
3 years ago
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1....1/4 y + 1 1/2 + 2-1 3/4 y -12<br><br> 2....5=1/5x-3<br><br> 3....1/2 h + 1 from 3/4 h +4
Tanya [424]
1)  (-1 1/2)(y)-8 1/2
2)   x=40

 
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What is 3 2/5 / 6 plz help!!!
Illusion [34]

Answer:

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Step-by-step explanation:

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Weight of a rock: In a geology course, students are learning to use a balance scale to accurately weigh rocks. One student plans
statuscvo [17]

Answer:

The student who weighted the rock 5 times has a 95% confidence interval of (25.2, 29.1) which is guaranteed to be more wider (less precise) than the other student who weighted the rock 20 times.

Step-by-step explanation:

What is Confidence Interval?

The confidence interval represents an interval that we can guarantee that the target variable will be within this interval for a given confidence level.  

The confidence interval is given by

CI = \bar{x} + t_{\alpha/2}(\frac{\sigma}{\sqrt{n} } ) \\

Where \bar{x} is the mean weight \sigma is the standard deviation t_{\alpha/2} is the critical value from t-table and n is the sample size.

The term t_{\alpha/2}(\frac{\sigma}{\sqrt{n} } ) is known as margin of error.

As the sample size is decreased the corresponding margin of error increases which results in wider confidence interval which means smaller precision.

The student who weighted the rock 5 times has a 95% confidence interval of (25.2, 29.1) which is guaranteed to be more wider (less precise) than the other student who weighted the rock 20 times.

We can say with 95% confidence that the true mean weight of the rock is within the interval of (25.2, 29.1).

7 0
3 years ago
Distance on the Coordinate Plane
s344n2d4d5 [400]

9514 1404 393

Answer:

  B.  10 units

Step-by-step explanation:

The distance formula is useful.

  d = √((x2 -x1)² +(y2 -y1)²)

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  d = 10

The distance from L to M is 10 units.

6 0
3 years ago
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