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3 years ago

If = 20, then p= O A) 20-5 5 OB) 20 x 5 O'C) 20 + 5 OD) 20/5

Mathematics

1 answer:

nikklg [1K]3 years ago

3 0

It’s A, 20-5 5

P=20-5 5

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OleMash [197]

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What’s four times a number (algebra wise)

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Answer:

Step-by-step explanation:

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3 years ago

in a test correct answer are given positive numbers and for incorrect negative numbers jack scored in successive rounds were-65,

eimsori [14]

Answer:

<em>Jack scored a total of -40</em>

Step-by-step explanation:

<u>Arithmetic</u>

Jack took a test where the correct answers are given as positive numbers and the incorrect answers are negative numbers.

The scores were

-65,-10,-15,20,30

The total score is the arithmetic sum of all scores, including their signs:

Total score: -65-10-15+20+30

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3 years ago

A survey of 25 grocery stores revealed that the mean price of a gallon of milk was $2.98, with a standard error of $0.10. What i

Gnesinka [82]

Answer:

95% confidence interval: (2.784,3.176)

Step-by-step explanation:

We are given the following information in the question:

Sample size, n = 25

Sample mean = $2.98

Standard error = $0.10

Alpha = 0.05

95% confidence interval:

$\mu \pm z_{critical}(\text{Standard error})$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

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3 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Luda [366]

Answer:

i do not know sorry (^_^) :(

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3 years ago