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2 years ago

8

Beth récords the height of a plant for 8 week and creates a scatter plot of the data. What is the equation of the line of best f

it? What will the plants height be in 20 weeks

1 answer:

ivann1987 [24]2 years ago

4 0

Answer:

s mae é uma vuaad iaauela q2 prostittu0a dsgreaaç, bv aid a respostalalogo q

Step-by-step explanation:

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The weekly earnings of students in one age group are normally distributed with a standard deviation of 47 dollars. A researcher

ELEN [110]

Answer:

Option D) 340

Step-by-step explanation:

We are given the following in the question:

Alpha, α = 0.05

Population standard deviation, σ = $47

Margin of error = 5

95% Confidence Interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

$\text{Margin of error} = z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$5 = 1.96(\dfrac{47}{\sqrt{n}} )\\\\\sqrt{n} = \dfrac{47\times 1.96}{5}\\\\n = 339.443776\\\Rightarrow n \approx 340$

Thus, the correct answer is

Option D) 340

7 0

3 years ago

Help please! math volumes

salantis [7]

Answer:

980.18 cm^3

Step-by-step explanation:

Volume of cylinder w/out spheres = pi r^2 h

= pi 8^2 *6

now subtract the volume of the TWO spheres

2 * 4/3 pi * 3^3

for result = 980.18 cm^3

6 0

1 year ago

How do I put these equations into vertex form?

kenny6666 [7]

I found my notes for this exact paper and I have that first problem written. hopefully this helps

4 0

2 years ago

Answer choices for both of them are <br> A) linear<br> B) exponential <br> C) quadratic

shutvik [7]

Answer:

#16 is linear but idk what 17 is

3 0

2 years ago

In triangle ABC, m<A = 30° and m<B = 50°. What is the measure of Angle C?<br><br>

Nataliya [291]

Answer:

100°

Step-by-step explanation:

The sum of the angles in a triangle is 180°

180°-30°-50°=100°

8 0

2 years ago