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1 year ago

The top of a glass coffee table is a circle. the circumference is 15.7 feet. what is the area of the table? helppp!!

Mathematics

1 answer:

Elena L [17]1 year ago

8 0

Answer:

19.61505096...

Step-by-step explanation:

Area in a circle is pi(ratio)squared

Circumference is pi multiplied by diameter

Ratio is half of diameter

15.7 divided by pi is roughly 5 (4.997465213 to be exact)

Half of 5 is 2.5

pi(2.5)squared is 19.61505096...

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3/4=j-1/2 solve the equation check your solution

DIA [1.3K]

3/4= j-1/2
first to add 1/2 to both sides to solve for j
3/4 + 1/2= j
second you find a common denominator in order to add 3/4 and 1/2, the common denominator would be 4, you would have to change 3/4 at all because the denominator is already 4 but in order to make the denominator of 1/2, 4 you would have to multiply both the denominator and numerator by 2 so
3/4 + 2/4 = 5/4
so 5/4 =j

to check your answer you plug 5/4 in for j
3/4 = 5/4 -1/2
again you need to find a common denominator between 5/4 and 1/2 which again would be 4, and again you wouldn't change 5/4 but you would multiply both the numerator and the denominator of 1/2 so
3/4= 5/4-2/4
5-2= 3 and you would keep the 4 so
5/4 - 2/4 = 3/4

so j = 5/4

5 0

2 years ago

What is the area of a piece of garden plot 5 yards 2 feet long by 6 yards 1 foot wide? Give your answer in square feet. A. 323 s

Blababa [14]

change yrds to ft

5yds = 5*3 = 15 ft

5yds 2 ft = 15ft + 2ft = 17 ft

6yds = 6 * 3 = 18 ft

6 yds 1 ft = 18 + 1

19 ft

A = l * w

A = 17* 19

A = 323 ft^2

Choice A

6 0

2 years ago

Please help i have 1 hour to complete this

Law Incorporation [45]

Answer:

for the first one its C,D and E

but for the second one i dont

know so sorry

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

How is an article using the hourglass technique organized? A. Lead, turn, narrative B. Lead, narrative, conclusion C. Headline,

Elza [17]

I think the answer is D) Headline, turn, narrative

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3 years ago

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The following confidence interval for the population proportion for how many U.S. adults do not get enough fruits and vegetables

Zielflug [23.3K]

Answer:

The interval is constructed at 93% confidence.

Step-by-step explanation:

Confidence interval concepts:

A confidence interval has two bounds, a lower bound and an upper bound.

A confidence interval is symmetric, which means that the point estimate used is the mid point between these two bounds, that is, the mean of the two bounds.

The margin of error is the difference between these two bounds, divided by 2.

Confidence interval of proportions concepts:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.