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nikklg [1K]
3 years ago
11

What is 28 tiles in 7 ros. (It has to be a divison equation)

Mathematics
1 answer:
raketka [301]3 years ago
8 0

If 28 tiles is placed in 7 rows then each row has 4 tiles.

<u>Step-by-step explanation:</u>

The total number of tiles given =28.

The number of rows = 7.

The number of tiles in each row is given by diving the total number of tiles given by the number of rows.

No of tiles in each row= \frac{total number of tiles}{number of rows}.

No of tiles in each row = \frac{28}{7}.

No of tiles in each row = 4.

Note: You can replace the values according to the given values.

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(0,-9) could be a solution
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Please help, i need someone to answer fast please
RSB [31]

Answer: A and C And B

Step-by-step explanation: (I AM NOT 100% SURE WAIT FOR SOME ELSE JUST IN CASE if you dont uh hope its right)

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Write in point-slope form an equation of the line that passes through the point (8, 9) with slope 7.
Lina20 [59]

Answer:

<h2>y=7x-47</h2>

Step-by-step explanation:

(8,9)=(x1,y1) \\ m=7 \\ y−y1=m(x−x1) \\ y−9=7(x−8)

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3 years ago
I have 30 ones 2thousands 4hundred thousands , 60 tens and 100 hundreds what number am I ?
viva [34]

Answer:

Step-by-step explanation:

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HTHHTU

400,000

    2,000

       100

         60

<u>          30</u>

<u>402,190</u>

7 0
3 years ago
Read 2 more answers
At Pike Place Fish Market in Seattle, customers can purchase a variety of different types of seafood. One type of seafood sold a
allsm [11]

Answer:

z=1.28

And if we solve for a we got

a=3.6 +1.28*0.8=4.624

So the value of height that separates the bottom 90% of data from the top 10% is 4.624.

So then the best answer for this case would be:

 C. 4.64

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:

X \sim N(3.6,0.8)  

Where \mu=3.6 and \sigma=0.8

For this part we want to find a value a, such that we satisfy this condition:

P(X>a)=0.1   (a)

P(X   (b)

Both conditions are equivalent on this case. We can use the z score again in order to find the value a.  

As we can see on the figure attached the z value that satisfy the condition with 0.9 of the area on the left and 0.1 of the area on the right it's z=1.28. On this case P(Z<1.28)=0.9 and P(z>1.28)=0.1

If we use condition (b) from previous we have this:

P(X  

P(z

But we know which value of z satisfy the previous equation so then we can do this:

z=1.28

And if we solve for a we got

a=3.6 +1.28*0.8=4.624

So the value of height that separates the bottom 90% of data from the top 10% is 4.624.

So then the best answer for this case would be:

 C. 4.64

8 0
3 years ago
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