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jok3333 [9.3K]
3 years ago
6

A Square has a perimeter of 28 feet. What is it's area?

Mathematics
2 answers:
rusak2 [61]3 years ago
8 0

Answer:

784

Step-by-step explanation:

Use long multiplication to evaluate.

Talja [164]3 years ago
4 0
Answer: 49
Reason: divide the perimeter my 4 dice all sides of a square are equal. You should get 7. The formula for area is Length • width. Use 7•7 to get the area because all sides are equal. Meaning length and width are equal. You should get 49.
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A circular piece of fabric has a radius of 1.2 ft. The fabric sells for $5.40 per ft². What is the total cost of the circular pi
Kisachek [45]
The answer is $24.41

Step 1. Calculate the area of the <span>circular piece of fabric.
Step 2. Multiply the area of the piece by the price of </span><span>$5.40 per ft² to get the total cost.

Step 1.
The area (A) of the circle with radius r is:
A = </span>π r²
π = 3.14
r = 1.2 ft

A = 3.14 * (1.2 ft)²
A = 3.14 * 1.44 ft²
A = 4.52 ft²

Step 2.
Make a proportion
1 ft² costs $5.40
4.52 ft² cost x

1 ft² : $5.40 = 4.52 ft² : x
x = 4.52 ft² * $5.40 / 1 ft²
x = $24.41
3 0
2 years ago
Answer number 20. Please answer all parts to the question.
emmasim [6.3K]
1: 7
2: Yes, 20 because it’s isolated from the rest of the points
(I don’t know the other ones, sorryyyyy)
5 0
2 years ago
Arrange these fractions in ascending order: 3/4, 2/5, 3/8, 7/10, 11/20, 23/40. Please help it’s due tomorrow and I’m big dumb
disa [49]

Answer:

3/8, 2/5, 11/20, 23/40, 7/10, 3/4

Step-by-step explanation:

Just change them all to the same denominator and you're good. Put all of the fractions' denominators to 40 as that's the least common denominator. 3/4 turns into 30/40. 2/5 turns into 16/40. 3/8 turns into 15/40. 7/10 turns into 28/40. 11/20 turns into 22/40. And 23/40 stays as it is, because the denominator is already 40.

Putting them in order is now simple,

3/8 (15/40) <  2/5 (16/40) < 11/20 (22/40) < 23/40 < 7/10 (28/40) < 3/4 (30/40)

***When you multiply any fraction to change its denominator, multiply it by the same thing to the numerator as well.

Good Luck!

8 0
3 years ago
What is the approximate length of arc S on the circle below? Use 3.14 for pi. Round your answer to the nearest tenth.
jeka57 [31]
224 is the times to were it’s put in the outside order inside of it
4 0
2 years ago
What is num 2?? I need this done by tonight!
timama [110]
Maybe absolute value
3 0
3 years ago
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