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3 years ago

What is a producer? (Think about the word autotrophs

Mathematics

1 answer:

m_a_m_a [10]3 years ago

4 0

Answer:

A producer is an animal that produces its own food. An example of a producer is a plant like a tree. They take the suns energy and convert it to chemical energy which benefits them.

Step-by-step explanation:

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3 years ago

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Katrina buys a 38-ft roll of fencing to make a rectangular play area for her dogs. Use 2(l+w)=38 to write a function for the

jenyasd209 [6]

Answer:

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Step-by-step explanation:

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2 years ago

If I have a cylinder, the radius is 9.3 ft and the height is y, the volume of the whole thing is 3000ft, then what does y equal?

disa [49]

Answer:

Step-by-step explanation:

r = 9.3 ft

h = y ft

Volume = 3000 ft

πr²h = 3000

3.14 * 9.3 *9.3 * y = 3000

$y = \frac{3000}{3.14*9.3*9.3}\\\\$

y = 11.05 ft

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3 years ago

An apple farm claims that the average weight of all their apples is 8oz. A sample of 20 apples were picked that had a mean of 7.

Nimfa-mama [501]

Answer:

The mean apple weight is different from 8oz

Step-by-step explanation:

Claim : An apple farm claims that the average weight of all their apples is 8oz.

$H_0:\mu \neq 8\\H_a:\mu = 8$

n = 20

Standard deviation =s = 0.95

Since n < 30

So we will use t-test

x = 7.77

$t =\frac{x-\mu}{\frac{s}{\sqrt{n}}}$

Substitute the values :

$t =\frac{7.77-8}{\frac{0.95}{\sqrt{20}}}$

$t =−1.0827$

Since we are not given the significance level

So, we will take 5%

So,α = 0.05

Degree of freedom = df = n-1 = 20-1 = 19

So, using t table

$t_{\frac{\alpha}{2} , df}=2.093$

Since t critical > t statistic

So, we accept the null hypothesis.

So, The mean apple weight is different from 8oz

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3 years ago

Using the formula for the area of a triangle, , write an expression for the area of ΔABC. Base your answer on the work you did i

Montano1993 [528]

Answer:

$Area = \frac{1}{2} * AC * D$

Step-by-step explanation:

From the complete question, we have:

Length D to be perpendicular to side AC

So, the area of the triangle is:

$Area = \frac{1}{2} * Base * Height$

Since:

Length D is perpendicular to side AC

Then:

$Base = AC$

$Heigjt =D$

So:

$Area = \frac{1}{2} * AC * D$

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2 years ago