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3 years ago

14

A clothing store buys jeans for $12 and marks them up 200% before selling them to customers. What is the selling price of the je

ans?

2 answers:

Ganezh [65]3 years ago

5 0

Answer:

$24

Step-by-step explanation:

200% of 12 is 24

vova2212 [387]3 years ago

3 0

Try multiplying 12 and 200

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Two containers hold several balls. Once a second, one of the balls is chosen at random and switched to the other container. Afte

natka813 [3]

Answer:

(a) 8 balls

(b) 4 balls

Step-by-step explanation:

Let

$N \to$ Number of balls

For a box, the probability that there are N balls in it is:

$Pr = 0.5^N$

For 2 boxes, it is:

$Pr = 2 * 0.5^N$

From the question, we have:

$\frac{80}{10000} \to$ Favorable outcome

To solve for N, we have:

$2 * 0.5^N = \frac{80}{10000}$

$2 * 0.5^N = 0.008$

Divide both sides by 2

$0.5^N = 0.004$

Take log of both sides

$\log(0.5^N) = \log(0.004)$

Apply law of logarithm

$N\log(0.5) = \log(0.004)$

Make N the subject

$N = \frac{\log(0.004)}{\log(0.5)}$

$N =7.966$

Approximate

$N = 8$

Solving (b): Balls in one of the two boxes.

Here, we assume that each ball will have almost the same number of balls at a given instance;

Hence, we have:

$Balls \approx \frac{N}{2}$

$Balls \approx \frac{8}{2}$

$Balls \approx 4$

<em>4 balls in each box</em>

6 0

3 years ago

Prime number between 60 and 80 with the 10’s digit being one less than the 1st digit

erastova [34]

It would be 89.

You can also just look up a list of prime numbers online.

8 0

4 years ago

Somebody please help me with this

Sedaia [141]

Answer:

E and F= 54 Degrees D is 90 degrees

Step-by-step explanation:

6 0

3 years ago

maya wants to burs 600 calories, so far, she burned 584.3 calories. how many more calories must maya burn

MrMuchimi

Answer:

15.7

Step-by-step explanation:

600 - 584.3 = 15.7

5 0

2 years ago

What’s the distance between the points (-7,-4) and (-5,-4)?

Radda [10]

Answer:

2 units

Step-by-step explanation:

Distance

$= \sqrt{(-4 - (-4))^2 + (-7 - (-5))^2}$

$= \sqrt{0^2 + (-2)^2}$

$= \sqrt{(-2)^2}$

$= 2$

3 0

3 years ago