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Naily [24]
3 years ago
8

A ladder is leaning against the house. The base of the ladder is 9 feet from the base of the house. The ladder is 20 feet long.

How high does the ladder reach on the house
Mathematics
2 answers:
Gre4nikov [31]3 years ago
8 0
The answer is 17.86057
zvonat [6]3 years ago
4 0

Answer:

17.86057

Step-by-step explanation:

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How many eight-digit serial numbers contain three of one digit, two of another digit, two of yet another digit, and one of still
Harlamova29_29 [7]

It is easier to understand the problem if you create a number based on the criteria and then perform the computations. I am going to choose: 111 22 33 4

There are 10 options for the first "1" and only 1 option for the other two 1's

There are 9 remaining options for the first "2" and only 1 option for the other 2

There are 8 remaining options for the first "3" and only 1 option for the other 3

There are 7 remaining options for the "4"

10 x 1 x 1    x      9 x 1     x      8 x 1      x      7

10 x 9 x 8 x 7 = 5,040

Answer: 5,040

6 0
3 years ago
(1.3)Select the correct definition from the dropdown below:<br> (In picture)
masha68 [24]

Answer:

a plane is formed by two rays with the same end point

5 0
3 years ago
A picture has an area of 35cm and is 7cm long.An enlargement of the picture is made is 21cm long.Find the area of the enlargemen
marta [7]

Answer: The area of the enlargement is 315cm.

Step-by-step explanation:

If the picture has 35cm as the area and it has a length of 7cm  then we can find the width by dividing the area by the length.

w= 35/7

w =  5      

So in this care the width of the picture in 5cm.

Now is saying that the picture's length has been enlarge or been dilated to 21 cm. To get from 7cm to 21cm you will have to multiply  by 3.  

In this situation, we will have to multiply the original picture's width by 3 to find it enlargement.

w= 5*3 = 15  

The width is 15cm and the length is 21cm so multiply them to find the area.

A = 15 * 21

A = 315cm

6 0
3 years ago
Which correctly uses bar notation to represent the repeating decimal
ioda

Answer:

2nd one..

Step-by-step explanation:

but although all are wrongmm barnotation is not used

6 0
3 years ago
Explain how bias in the survey might have affected the results.
vladimir1956 [14]
B. because "boring" implies that all classical music is boring.
3 0
2 years ago
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