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3 years ago

Every winter I fly home to Michigan it takes five hours what is my average speed

Mathematics

2 answers:

nignag [31]3 years ago

6 0

Well you did not say how many miles you are from Michigan

denis23 [38]3 years ago

3 0

So to find speed, you divide your total distance by the time it took to travel.

3,900 ÷ 5 = 780

You are going at a speed of 780 units per hour. You could always simplify it to seconds by merely dividing your speed by 60.

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An education expert is researching teaching methods and wishes to interview teachers from a particular school district. She rand

antoniya [11.8K]

Answer:

No, It is a Cluster Sampling.

Step-by-step explanation:

Simple Random Sampling is the sampling when samples are chosen randomly, where each unit has an equal chance of being selected in a sample.

If the population is divided into a different group called cluster and clusters are selected as a sample then it is Cluster Sampling.

Here, since Expert is interviewing all of the teachers at the selected schools, so it is Cluster Sampling, not a Simple Random Sampling.

3 0

3 years ago

Read 2 more answers

How to Rewrite the expression 4(13-10) using distributive property of multiplication over subtraction

tekilochka [14]

Answer:

52-40

Step-by-step explanation:

distribute 4 to 13 and 10

put the subtraction sign back in

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3 years ago

On the packaging for a triangular sail, the edge measurements for the sail are listed as

Gelneren [198K]

Answer: Obtuse triangle.

Step-by-step explanation:

1. By definition, you have:

- If the square of the length of the longest side is greater than the sum of the squares of the lengths of the other two sides, then the triangle is classified as "obtuse".

- If the square of the length of the longest side is less than the sum of the squares of the lengths of the other two sides, then the triangle is classified as "acute".

- If the square of the length of the longest side and the lenght of the other two sides are equal, then it is a right triangle.

2. Based on this information, you have:

$(17ft)^{2}=289ft^{2}\\(15ft)^{2}+(7ft)^{2}=274ft^{2}$

$289ft^{2}>274ft^{2}$

3. The longest side is greater than the other two sides. therefore, it is an obtuse triangle.

6 0

3 years ago

Read 2 more answers

In the trapezoid ABCD ( AB ∥ CD ) point M∈ AD , so that AM:MD=3:5. Line l ∥ AB and going trough point M intersects diagonal AC a

Ann [662]

Answer:

BC : BN = 8 : 3

Step-by-step explanation:

Parallel lines divide any transversal into segments with the same ratio. That means ...

... BN : NC = AM : MD = 3 : 5

Since BC = BN + NC, the desired ratio is ...

... BC : BN = (BN+NC) : BN = (3+5) : 3

... BC : BN = 8 : 3

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3 years ago

The selling price of an item is $650. It is marked down by 20%, but this sale price is still marked up from the cost of $400. Fi

nexus9112 [7]

Answer: 10%×$650=$585

$585-$450=$135 Mark up.

HOPE THIS HELPS

8 0

3 years ago