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tatyana61 [14]
3 years ago
10

Which is the best estimate for the lenght of a real couch? Answer has to be in meters.

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
7 0
A real couch would probably be around 2 or 2.5 meters in length, depending on how many people it should fit and for what market it was made.
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A map of the world has a perimeter of 24 feet. It’s area is 32 square feet. What are the dimensions of the map?
mojhsa [17]

The dimensions of the map are 8 feet × 4 feet

Step-by-step explanation:

Step 1; It is given that the perimeter of the map is 24 feet while the area is 32 square feet. The map is in the shape of a rectangle so we need to calculate its length and its width of this rectangle. The area of any particular rectangle is given by the multiplication of its length with width. The perimeter is given by double the value of the sum of its length and width.

Step 2; Equating these we get

Perimeter = 2 (l + w) = 24 feet

Area = l × w = 32 feet.

From the perimeter formula, (l + w) = \frac{24}{2} = 12

So we have (l + w) = 12 while l × w = 32.

Step 3; Possible values of l and w are

(1 ,11), (2, 10), (3, 9), (4, 8), (5, 7), (6, 6), (7, 5), (8, 4), (9, 3), (10, 2) and (11, 1).

Out of these possibilities only (4, 8) and (8, 4) give a product of 32 but since l is greater than w we have the value of l as 8 feet while w is 4 feet.

5 0
3 years ago
Safiya deposited money into a bank account that earned 6.5% simple interest each year. After 3 1/2 years, she had earned $36.40
RSB [31]
The answer is 160.00.
3 0
3 years ago
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Katie is selling lemonade for $1.50 per cup. She decides to put them on sale for $0.90. What percent discount did she give on he
Colt1911 [192]

Answer:

40%

Step-by-step explanation:

1.50 - 0.90 = 0.60

0.60 cents are saved.

\frac{0.60}{1.50} = 0.4

0.4 = 40%

hope this helps :)

8 0
2 years ago
The formula v= u+ atdescribes connections between u: starting velocity a: acceleration t: time v: final velocity a)In a particul
Bess [88]

Answer:

  • 49 = 0 +9.8t
  • t = 5

Step-by-step explanation:

It usually works to follow directions.

a) Substitute the numbers into the formula:

  v = u + at

  49 = 0 +9.8t

b) Solve the equation:

  49/9.8 = t = 5 . . . . . divide by the coefficient of t

6 0
2 years ago
Calculate the length of the circumference of a circle with a diameter of 14cm (2dp)
kondaur [170]
C= 2 (pi) r

d= 14 cm

d= 2r 

r= 7 cm

c= 2 (pi) (7cm)
c= 43.98

hope that helps

3 0
2 years ago
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