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Flauer [41]
2 years ago
13

I will mark brainliest to the first answer!!

Mathematics
2 answers:
tatuchka [14]2 years ago
7 0

Answer: (-2)

Step-by-step explanation: The international standard symbol for inch is in (see ISO 31-1, Annex A) but traditionally the distance is denoted by a double prime, which is often approximated by double quotes, and the foot by a prime, which is often approximated by an apostrophe. For example, three feet two inches can be written as 3′ 2″. Symbol: in or ″ (the double prime)

HOPE IT HELPS!

Novay_Z [31]2 years ago
3 0

Answer:

I think the correct answer is

A. (-2)

Step-by-step explanation:

This answer seems the most reasonable compared to the others

Hope this helps!

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jek_recluse [69]
It should be $84.50 because you have to add all the numbers up and divide it by how many numbers there are
8 0
3 years ago
WILL MARK BRAINLIEST ON CORRECT ANSWER
erik [133]
I believe none is the answer due to the fact it isn’t symmetrical. sorry if i am wrong. let me know if i am
8 0
2 years ago
29. March sales accounted for 1/7 of the total number of jazz records sold all year. About how many jazz records were sold all y
enot [183]

The March sales of Jazz records is an illustration of proportions, and the number of jazz records sold all year is 7x

<h3>How to determine the total number of sales?</h3>

The sales in March is given as:

Proportion = 1/7

Let the actual number of sales in the month of March be x, and the total sales in the year be y.

So, we have:

1/7 * y = x

Make y the subject

y =7x

Hence, the number of jazz records sold all year is 7x

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brainly.com/question/1781657

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8 0
2 years ago
at a sale, dresses were sold for $10 each. if the dresses originally cost $200 each, what percentage of its original price was a
Varvara68 [4.7K]

Answer:

5%

Step-by-step explanation:

10/200 = .05

.05 = 5%

7 0
2 years ago
Read 2 more answers
If a paper plane is thrown from the top of a 147-foot cliff into the water below, the height of the plane at any given time can
sasho [114]

Answer:

c. 6.5 seconds.

Step-by-step explanation:

We have been given that a a paper plane is thrown from the top of a 147-foot cliff into the water below, the height of the plane at any given time can be determined by the formula h = -3t^2+147, where h is the height of the plane at t seconds.

To find the time, when plane will be at a height of exactly 20.25 feet, we will substitute h=20.25 in our given formula and solve for t as:

20.25= -3t^2+147

-3t^2+147=20.25

-3t^2+147-147=20.25-147

-3t^2=-126.75

\frac{-3t^2}{-3}=\frac{-126.75}{-3}

t^2=42.25

Take square root of both sides:

t=\pm \sqrt{42.25}

t=\pm 6.5

Since time cannot be negative, therefore, the plane will be at a height of exactly 20.25 feet after 6.5 seconds and option 'c' is the correct choice.

6 0
3 years ago
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