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Anton [14]
3 years ago
7

-11x + 7y = 5 and 5x – 2y = – 7 PLEASE HURRY

Mathematics
1 answer:
artcher [175]3 years ago
7 0
The answer will be x=-3 y=-4
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A new runner has decided to purchase a new pair of running shoes. He has narrowed his choices to two brands, each of which would
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Answer:

Paired difference t test

Step-by-step explanation:

The paired difference t test is a type of statistical test which is used to examine if difference exists in th population mean of two samples. The paired difference test usually involves samples taken within subjects. That is, the sample mean for each set of measurement is taken from the Same subject, In the scenario described above, the subjects which are the 6 veteran runners each wore each of the two shoe brands, this means that two readings were produced by each runner ; one reading for brand A and the other brand B.

The difference between the two readings are taken for each runner and used to perform a hypothesis test:

t = μd/ (s/√n)

s = sample standard deviation ; n = sample size ; μd = mean difference

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3 years ago
A recipe calls for 15oz of flour every 8 oz of milk. if you use 15oz of milk, how much flour should you use
maksim [4K]
We are given that 8 oz of milk requires 15 oz of flour.

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amount of flour needed = (15*15) / (8) = 28.125 oz
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What decimal is equal to 6/25
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6/25 is equal to 0.24 in decimal form
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It is 20/3 and 35/3 for length and width respectively.
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