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irinina [24]
3 years ago
7

A bike wheel has a diameter of 24 inches. How far would two revolutions be for that bike

Mathematics
1 answer:
lisov135 [29]3 years ago
8 0
Use Pi, 3.14.  Divide the Diameter by 3.14 and you should get your answer.  That's all I know.\pi
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Designer Dolls, Inc., found that the number N of dolls sold varies directly with their advertising budget A and inversely with t
denis-greek [22]

here we are told that

number of dolls sold varies directly with advertising costs

number of dolls varies inversely with price of a doll


so initially

1800 dolls sold when advertising costs were $ 34 000

and price of a doll was $ 25


next they increased the advertising costs to $ 42 000

as we know number of dolls sold varies directly with advertising costs

so here when the advertising costs increase the number of dolls sold too should increases as its directly proportional relationship


we arent told that the price of a doll is changed so there's no effect on the number of dolls sold due to changes in price of a doll


only effect on number of dolls sold is due to increase in advertising costs

increase in advertising cost leads to increase in number of dolls sold


from the given options, only in one option the number of dolls sold are more than 1800 dolls. option is C with 2224 dolls


therefore correct answer is C. 2224 dolls

8 0
3 years ago
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2. The table shows distance, y, that Mario runs in x minutes.
Zepler [3.9K]
Assuming the left is minutes and the right is distance, Mario runs 1 mile in 7 minutes
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(b) the rate of change is 7
(c) if he ran for 70 minutes then his distance is 10 miles.
*for (c) just plug in the number given. Replace it with x and divide it by 7.*
7 0
2 years ago
There are 8 times as many females as males on the maths course at university. What fraction of the course are female?
Tcecarenko [31]

Answer:

Step-by-step explanation:

Let the males = x

Let the females = 8x

Let the total in the class = x + 8x = 9x

Females = 8x / 9x = 8/9

If you want the decimal, it is .889

4 0
2 years ago
Which of the following statements best explains why this graph represents a relation that is not a
salantis [7]

Answer:

the second answer

Step-by-step explanation: too lazy to explain

3 0
2 years ago
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Pls help me solve this
NISA [10]

Answer:

$50

Step-by-step explanation:

12 x 30 = 360

960 - 360 = 600

600/12 = 50

3 0
2 years ago
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