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Galina-37 [17]
3 years ago
7

11b.) A sign in a bakery gives the following options. Find each unit price to the nearest cent, and show your reasoning. You can

get 54 cupcakes for $137. What is the cost of ONE cupcake?
O $2.57
O $2.52
O $ 2.53
O $2.54​
Mathematics
1 answer:
konstantin123 [22]3 years ago
8 0

Answer:

Step-by-step explanation:

137/54=c/1

c=$2.537

c=$2.54 (to nearest cent)

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A lightbulb is installed. With probability 1/3 , it burns out immediately when it is first installed. With probability 2/3 , it
Andrej [43]

Answer:

1 time unit

Step-by-step explanation:

There is a 1 in 3 chance that the time until the bulb burns out is zero, and a 2 in 3 chance that the time is the average between 0 and 3 (since it is uniformly distributed). Therefore, the expected value for the time until it burns is:

E(x) = \frac{1}{3}*0+\frac{2}{3} *\frac{0+3}{2}\\ E(X) = 1

The expected value of the time until the lightbulb burns out is 1 time unit.

3 0
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Can someone please help me on this?
shepuryov [24]

Answer:

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Step-by-step explanation:

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3 years ago
One ball is to be selected from a box containing red, white, blue, yellow, and green balls. If the probability that the selected
ZanzabumX [31]

Answer:

30% probability that it will be yellow, or green

Step-by-step explanation:

The urn has red, white, blue, yellow, and green balls.

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5 0
4 years ago
Solve for x.<br>– 6 = - 4/x​
Law Incorporation [45]

Answer:

2/3 or in decimal form which is 0.6

Step-by-step explanation:

7 0
3 years ago
What is the volume of a cube with the fraction 6/7 on three sides.
GaryK [48]
Volume cube=side^3
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remember
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the volume is 216/343 cubic units
8 0
3 years ago
Read 2 more answers
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