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vichka [17]
3 years ago
15

What is 8lbx$3.50/lb

Mathematics
2 answers:
alina1380 [7]3 years ago
8 0
The measurements are there to confuse you. This problem is just asking:

"What is 8 * 3.5?"

So let's break this down:
8 * 3 = 24
8 * 0.5 = 4
24 + 4 = 28

Therefore, 8lb * $3.50/lb = $28

Cool? Cool.
s2008m [1.1K]3 years ago
3 0
 8 lb* ($3.50/ 1 lb)= $28

The final answer is $28~
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5 1/2 divided by 3 1/3
Sophie [7]

Answer:

1 13/20

Step-by-step explanation:

5 1/2 ÷ 3 1/3

11/2 ÷ 10/3
11/2 x 3/10 = 33/20

33/20 = 1 13/20

Hope this helps :)

5 0
2 years ago
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Which expression is equivalent to the following complex fraction?
Virty [35]

Answer:

  \dfrac{-4x+7}{2(x-2)}

Step-by-step explanation:

Write the terms of numerator and denominator using a common denominator.

  \dfrac{\dfrac{3}{x-1}-4}{2-\dfrac{2}{x-1}}=\dfrac{\left(\dfrac{3-4(x-1)}{x-1}\right)}{\left(\dfrac{2(x-1)-2}{x-1}\right)}}=\boxed{\dfrac{-4x+7}{2(x-2)}}

7 0
3 years ago
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Students are running in a relay race. Each team will run a total of 3 miles. Each member of a team will run 1/8 of a mile. How m
Crazy boy [7]
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7 0
3 years ago
3. Why does it tako 3 copies of; to show the same amount as 1 copy of ?? Explain your answer in words
Amanda [17]
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7 0
2 years ago
PLEASE help
astraxan [27]

Answer:

The percentage of people should be seen by the doctor between 13 and

17 minutes is 68% ⇒ 2nd term

Step-by-step explanation:

* Lets explain how to solve the problem

- Wait times at a doctor's office are typically 15 minutes, with a standard

 deviation of 2 minutes

- We want to find the  percentage of people should be seen by the

 doctor between 13 and 17 minutes

* To find the percentage we will find z-score

∵ The rule the z-score is z = (x - μ)/σ , where

# x is the score

# μ is the mean

# σ is the standard deviation

∵ The mean is 15 minutes and standard deviation is 2 minutes

∴ μ = 15 , σ = 2

∵ The people should be seen by the doctor between 13 and

   17 minutes

∵ x = 13 and 17

∴ z = \frac{13-15}{2}=\frac{-2}{2}=-1

∴ z = \frac{17-15}{2}=\frac{2}{2}=1

- Lets use the standard normal distribution table

∵ P(z > -1) = 0.15866

∵ P(z < 1) = 0.84134

∴ P(-1 < z < 1) = 0.84134 - 0.15866 = 0.68268 ≅ 0.68

∵ P(13 < x < 17) = P(-1 < z < 1)

∴ P(13 < x < 17) = 0.68 × 100% = 68%

* The percentage of people should be seen by the doctor between

  13 and 17 minutes is 68%

6 0
3 years ago
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