How many times does the minute hand move around the clock face in one day?

Answers

Answer 1

Answer: The hour hand will go around the clock twice during a day, every 12 hours. During a single rotation, the minute hand will go around 12 times. The minute hand will pass the hour hand 11 times in the first 12 hours, and 11 times in the second 12 hours. This means that they will meet 22 times.

Answer 2

Answer: To find that, we will start from one minute. How many seconds are there in one minute? There are 60 seconds in one minute.
Now, how many minutes are there in an hour? 60 minutes. So we have to do
60 × 60 = seconds in an hour = 3600 seconds
How many hours are in a day? Well, there are 24 hours in a day.
So 3600 × 24 = seconds in a day = 86400 seconds in a day

There are 86400 seconds in a day.

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An opaque bag contains 5 green marbles 3 blue marbles and 2 red marbles. what is the of randomly picking out a marble and the marble being red?

Answers

The probability of randomly picking out a red marble is 1/5

Calculating the probability of randomly picking out a marble and the marble being red?

To determine the probability of randomly picking out a marble and it being red, we need to consider the total number of marbles and the number of red marbles.

Total marbles = 5 green + 3 blue + 2 red = 10 marbles

Red marbles = 2

So, we have

Probability = (Number of favorable outcomes) / (Total possible outcomes)

This gives

Probability = (Number of red marbles) / (Total marbles)

By subsituition

Probability = 2/10 = 1/5

Hence, the probability of randomly picking out a marble and it being red is 1/5

Answers

The equations are as follows where x represents the number of minutes the cell phone is used.

For plan one: Total cost = $20 + $0.15x

For plan two: Total cost = $35 + $0.10x

For both the costs to be the same, we need to use the cell phone for

300 minutes.

What are equations?

Equations are relations showing the value of one quantity related to another quantity when it can change. The changing value is the variable.

How do we solve the given question?

We are informed that one cell phone plan charges $20 per month plus $0.15 per minute used. A second cell phone plan charges $35 per month plus $0.10 per minute used.

We are asked to write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.

Let the number of minutes the cell phone is used be x minutes.

Now we solve for equations for both plans in the following way:-

Plan one:

Charges $20 per month plus $0.15 per minute used.

When the use is for x minutes, the additional charge = $0.15*x = $0.15x

∴ Total cost = Fixed cost + Additional cost

or, Total cost = $20 + $0.15x.

Plan two:

Charges $35 per month plus $0.10 per minute used.

When the use is for x minutes, the additional charge = $0.10*x = $0.10x

∴ Total cost = Fixed cost + Additional cost

or, Total cost = $35 + $0.10x.

We are asked to find the number of minutes used so that the costs in both the plans are equal. To find this we equate the equation of total costs in both the cases to get:

$20 + $0.15x = $35 + $0.10x.

Subtracting ($20 + $0.10x) from both sides of the equation, we get

$20 + $0.15x - ($20 + $0.10x) = $35 + $0.10x - ($20 + $0.10x).

or, $20 + $0.15x - $20 - $0.10x = $35 + $0.10x - $20 - $0.10x.

or, $0.05x = $15

Dividing both sides of the equation by $0.05, we get

$0.05x/$0.05 = $10/$0.05

or, x = 300.

∴ We must talk for 300 minutes for both the plans to cost the same to us.

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Both of these equations are linear, so you have to write equations in the y=my+b format. And then you have to set the equations to equal each other to find x

Answer: 300 minutes

Help me plssssssssssssssss

Answers

Answer:

I think this the answer. you have to figure it out by analysis the graph

The graph is (-4,0),(0,1),(1,2),(2,4) and the questions are increases and then decreases

Brianna measured the length of her room as 2.4 meters. How is this length expressed in centimeters?

Answers

the answer is 240 centimeters

Answer:

240cm

Step-by-step explanation:

I need help with number 2!!

Answers

Answer:

B=8

Step-by-step explanation:

15² + b² = 17²

225 + b² = 289 (Subtract 289 - 225)

b² = 64 (Find the square root of 64)

√64 = 8

What's 28/42 simplified

Answers

The simplified form of the given fraction 28/42 will be 2/3. The correct answer would be option (B) 2/3.

What is simplification?

In arithmetic, the operation and interpretation of a function to make it simpler or easier to grasp is known as simplifying, and the process itself is known as simplification.

The fraction is given in the question, as follows:

28/42

Multiplication and divide by 14 into the above fraction,

(28/42) × (14/14)

Solving the above expression, we get

2/3

This is the simplified form of the given fraction.

Therefore, the correct answer would be option (B) 2/3.

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The complete question would be as: