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3 years ago

11

A detergent company is trying to find a new stain remover ingredient to put in its detergent Company managers know that baking

2 answers:

timofeeve [1]3 years ago

4 0

Answer:

A. The Fabric

Step-by-step explanation:

By definition and experimental unit is the entity which is subjected to different types of treatments during the experiment.

Here the fabric has been stained with different types of stains and and then have been treated with baking soda and bleach under different temperature environments. In the experiment each time the fabric has been given different treatment than the previous one. That's why the fabric is experimental unit in the experiment mentioned in the question.

Whitepunk [10]3 years ago

4 0

Answer:

The detergent

Step-by-step explanation:

its in the name... and the purpose of the experiment...

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What is vertex of x^2+5x-3

Art [367]

$\text{The vertex of}\ ax^2+bx+c:\\\\(h,\ k),\ \text{where}\ h=\dfrac{-b}{2a};\ k=f(h)=\dfrac{-(-b^2-4ac)}{4a}$

$\text{We have:}\\f(x)=x^2+5x-3\\\\a=1,\ b=5,\ c=-3\\\\h=\dfrac{-5}{2\cdot1}=\dfrac{-5}{2}=-2.5\\\\k=f(-2.5)=(-2.5)^2+5(-2.5)-3=6.25-12.5-3=-9.25$

$\text{Answer: the vertex is in}\ (-2.5;\ -9.25)$

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3 years ago

A survey of 1,565 households estimated that 72% of the households in a given state owned a television. What is the population?

kvasek [131]

Answer:

all the households in given state. part 2 is 1565 households surveyed.

Step-by-step explanation:

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3 years ago

A pyramid is placed inside a prism the pyramid has the same base area b as the prism but half the height of the prism the height

Anettt [7]

15b is the answer to this question hope this was helpful

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3 years ago

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How many 5-letter words can be made using exactly 5 of the letters from

kow [346]

The total number of ways by words are formed is 35 ways.

According to the statement

We have given that the 5 letters and we have to make word from them and the letters are repeated as equal to letters in given words.

And we have to find the possible ways.

So, The given words are:

TEXAS and MEXICO

Here X = 2 and E = 2 and all other words are one time used words.

We can find possible ways by use of combination and permutation.

So,

Total number of ways = $3C_{1} ^{5} + 2C_{2} ^{5}$

here 3 because three letters are not repeatable and 2 letters are repeated for 2 times.

So,

Total number of ways = $3C_{1} ^{5} + 2C_{2} ^{5}$

Total number of ways = $3(\frac{5!}{1!} ) + 2(\frac{5!}{2!*3!} )$

Total number of ways = $3(5) + 2(10)$

Total number of ways = 15 + 20

Total number of ways = 35.

So, The total number of ways by letters are formed is 35 ways.

Learn more about combination and permutation here

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1 year ago

I need help on this

Alisiya [41]

2. rhombus

3. rectangle

4. parallelogram

5.trapezoid

6.quadrilateral

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3 years ago

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