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nirvana33 [79]
3 years ago
12

Select the correct answer. The number of oranges purchased varies directly as the price of the oranges. If 11 oranges cost $2.35

, what is the cost of 18 oranges? A. $3.85 B. $85.71 C. $84.24 D. $2.35
Mathematics
2 answers:
Vlad1618 [11]3 years ago
7 0

Answer:

A. 3.85

Step-by-step explanation:

  • If 11 oranges cost $2.35, we could calculate the cost of each of these oranges, simply dividing the total cost ($2.35) between the amount of oranges bougth (11). This will give us the cost of a single orange, that is, the  unitary cost= \frac{2.35}{11}= 0.21.
  • Then, if we want to know the cost of 18 oranges, we just have to multiply the cost of a single orange (0.21) by 18: 0.21x18 = 2.85
Fudgin [204]3 years ago
6 0

Answer:

Step-by-step explanation:

3.85

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You take a three-question true or false quiz. You guess on all the questions. What is the probability that you will get a perfec
elena-14-01-66 [18.8K]
The probability that you will guess the first answer correctly  =  1/2  =  0.5
The probability that you will guess the second answer correctly  =  1/2  =  0.5
The probability that you will guess the third answer correctly  =  1/2  =  0.5

The probability that you will guess all three answers correctly is

                (0.5) x (0.5) x (0.5)  =  0.125  =  12.5% .

============================

Here are all the ways your answer sheet could wind up:
(R = a right answer.  W = a wrong answer.)

W W W 
W W R
W R W
W R R
R W W
R W R
R R W
R R R

Number of possible ways to score 0 right out of 3 questions:  1 way
Number of possible ways to score 1 right out of 3 questions:  3 ways
Number of possible ways to score 2 right out of 3 questions:  3 ways
Number of possible ways to score 3 right out of 3 questions:  1 way

Statistically, if your answers are all pure guesses, 
then on the average, the score you expect is

      (0 + 33-1/3 + 33-1/3 + 33-1/3 + 66-2/3 + 66-2/3 + 66-2/3 + 100) / 8

   =                  400 / 8

   =                      50%  .  

If you're happy with that score, great !  
Go to the movies the night before the test,
and start guessing.


5 0
3 years ago
PLS HELP ME
lianna [129]

Answer: Percentage increase: 57%

Percent increase if the airline charges an additional 50:  14.5% or 15%

Depends if your teacher wants more accurate results with the decimal, or rounded up with 15.

Step-by-step explanation:

Ill explain in the comments bc for some reason its not letting me put it here

7 0
3 years ago
Chicago Avenue is parallel to Ontario Street what is the relationship between angles five and seven?
Triss [41]

Answer:

they are corresponding angles

6 0
3 years ago
PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!
zhuklara [117]

Answer:

51x^5y^3z^6

Step-by-step explanation:

Please give brainliest

8 0
3 years ago
Read 2 more answers
(30 POINTS AND BRAINLIEST FOR BEST)
Romashka-Z-Leto [24]

Part A)

Multiply the amount he earned by 8.5%

8.5% written as a decimal is 0.085.

75,000 x 0.085 = $6,375

Part B)

Subtract the amount of tax from his earnings:

75,000 - 6,375 = $68,625

8 0
3 years ago
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