3 years ago

PLEASE HELP ME WITH THESE 2 QUESTIONS

Mathematics

1 answer:

konstantin123 [22]3 years ago

4 0

Answer:

Step-by-step explanation:

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Find the perimeter of the figure. 2 1/4 in, 4 1/12in, 3 2/3in

vitfil [10]

it would = out to be 9 18/73

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4 years ago

Can you read each graph for its unit rate and type the correct code? Please remember to type in ALL CAPS with no spaces

Ray Of Light [21]

Answer:

1.5, 20, 40, 7.5

Step-by-step explanation:

The first one is 1.5, the second one is 20, the third is 40, and the fourth is 7.5

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3 years ago

Samuel bought a jacket for $16 in January. The cost of the jacket increased to $24 in September. What percent of the original pr

Assoli18 [71]

Answer:

The answer is option C=150%

Step-by-step explanation:

Original cost of the jacket=$16 in January

Final cost of jacket=$24 in September

What percentage must of the original price is the new?

The new price=the original price×(A percentage)

Where the new price=$24, the original price=$16, and the percentage=(x/100)

24=16×x/100

x=(24×100)/16=150%

The answer is 150%

8 0

3 years ago

What is the probability that the mean duration of the 24 rowers with idna exceeds 63 minutes?

statuscvo [17]

Answer:

Step-by-step explanation:

Given that: Training-session duration of female rowers with normal iron status is Normally distributed, with mean 69 minutes and standard deviation 18minutes.

Solution:

z score shows the relationship between sample means. The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by the formula:

$z=\frac{x-\mu}{\sigma}\\\\for\ sample(n):\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} } \\\\where\ \mu=mean,\sigma=standard\ deviation,x=raw\ score$