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aniked [119]
3 years ago
10

The scale on a map shows that 10 kilometers is represented by 4 centimeters. Which proportion can be used to find

Mathematics
2 answers:
Charra [1.4K]3 years ago
8 0
We can use the concept of proportion in this given problem:

10 Km/4 cm = x/20 cm

Cross multiply:
10x = 80


Solve for x:

10x/10 = 80/10

x = 8

Therefore, the actual distance on the map represented by 20 cm is 8 Km.
nignag [31]3 years ago
3 0

Step-by-step explanation:

in my skul, we wud say dat 4 centimeters on the map is equal to 10 kilometers on actual ground

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Jackson bought 3 pounds of candies for $9.75. c What was the price of these candies in cents per ounce?
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Jackson bought 3*16 = 48 ounces for 975 cents. The unit price in cents per ounce is ...
   975 cents/(48 oz) = 20.3125 cents/oz
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3 years ago
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When Laura was a store manager at a movie store, she made $500 a week. Ten years later, as a clothing store manager, she made $8
Elis [28]

Answer:

(800-500)/500 x 100

300/500 x 100

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The answer is a 60% increase

Step-by-step explanation:

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3 years ago
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If Rs 42,000 is left after paying an income tax at the rate of 30%.Find the income
Naddika [18.5K]

Answer:

Total income is 60,000

Step-by-step explanation:

I. if paid rate is 30%, that's mean 42,000 is 70%

II. Perform ratio 70/100 = 42,000/x

                       70*x = 100 * 42,000

                        70x = 4,200,000

                            x = 60,000

III. If you perform 30/100 = x/60,000 will be 42,000

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5 0
3 years ago
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60 +24 = 84

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7 0
3 years ago
3. Here is a diagram of a softball field:
Crank

a. Length of the fence around the field = perimeter of quarter circle = 892.7 ft.

b. The area of the outfield is about 39,584 sq. ft..

<h3>What is the Perimeter of a Quarter Circle?</h3>

Perimeter of circle = 2πr

Perimeter of a quarter circle = 2r + 1/4(2πr).

a. The length of the fence around the field = perimeter of the quarter circle fence

= 2r + 1/4(2πr).

r = 250 ft

Plug in the value

The length of the fence around the field = 2(250) + 1/4(2 × π × 250)

= 892.7 ft.

b. Size of the outfield = area of the full field (quarter circle) - area of the infield (cicle)

= 1/4(πR²) - πr²

R = radius of the full field = 250 ft

r = radius of the infield = 110/2 = 55 ft

Plug in the values

Size of the outfield = 1/4(π × 250²) - π × 55²

= 49,087 - 9,503

= 39,584 sq. ft.

Learn more about perimeter of quarter circle on:

brainly.com/question/15976233

4 0
2 years ago
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