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3 years ago

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a chemical comapany makes two brands of antifreeze . the first brand is 70% pure antifreeze and the second is 95% pure antifreez

e. In order to obtain 30 gallons of a mixture that contains 80% pure antifreeze how many gallons of each brand pf antifreeze must be uses

1 answer:

laiz [17]3 years ago

3 0

Answer:hello mate

Step-by-step expla

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Thanks to all those who support my question!

Mazyrski [523]

Answer:

no, because intergers are negative. they will never be able to be greater

Step-by-step explanation:

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gladu [14]

Answer:

C)

Step-by-step explanation:

- π can be added to π to get a rational number

π + (-π) = 0

0 is a rational number

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Please help a friend

choli [55]

Answer:

C.

Step-by-step explanation:

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What slope would a line have to be perpendicular to a line with a slope of 1/4 ?

denpristay [2]

Answer:

A line perpendicular to another has a slope that is the negative reciprocal of the slope of the other line. The negative reciprocal of the original line is –2, and is thus the slope of its perpendicular line.

Step-by-step explanation:

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An observational study found that the amount of sleep an employee gets each night is associated with job performance. The correl

blagie [28]

Answer:

The correct option is D.) Causation cannot be determined from an observational study.

Step-by-step explanation:

The conclusion is not correct because

D.) Causation cannot be determined from an observational study.

Causation determined from an observational study is speculative and cannot be confirmed without data from a real experiment.

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