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NikAS [45]
3 years ago
12

A company that manufacturers deep freezers has developed a new formula of refrigerant, the substance used to cause cooling in re

frigerators and freezers. To determine if freezers using the new formula of refrigerant are more efficient than those using the company's original formula, they conducted an experiment with two identical freezers. The first freezer was cooled using the new formula, and the second freezer was cooled using the original formula. A gallon of water was placed in each freezer, and they measured the time required for the water to turn to ice. Match the terms with the correct descriptions in the context of this scenario.

Mathematics
2 answers:
bonufazy [111]3 years ago
5 0

Answer:

response variable- time required for water to turn to ice

control group- second freezer

explanatory variable- new formula

Step-by-step explanation:

xenn [34]3 years ago
3 0

Answer:

explanatory variable- new formula

response variable- time required for water to turn to ice

control group- second freezer

Please give me brainliest, I really need it.

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11 is the answer to your question.

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Which binomial is a factor of 49x2 + 84 xy + 36y2?
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Answer:

(7x+6y) is a binomial factor of the given expression  49x^2+84xy+36y^2

Therefore  49x^2+84xy+36y^2=(7x+6y)(7x+6y)

Step-by-step explanation:

Given expression is 49x^2+84xy+36y^2

To find the binomial factor :

49x^2+84xy+36y^2

Rewritting the above expression as

=7^2x^2+2(7)(6)xy+6^2y^2

=(7x)^2+2(7x)(6y)+(6y)^2

=(7x+6y)^2 ( using the formula =(a+b)^2=a^2+2ab+b^2 here a=7x and y=6y )

=(7x+6y)(7x+6y) ( using the formula =(a+b)^2=(a+b)(a+b) )

Therefore  49x^2+84xy+36y^2=(7x+6y)(7x+6y)

(7x+6y) is a binomial factor of the given expression  49x^2+84xy+36y^2

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