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Andreyy89
2 years ago
12

I kinda need help! No links No files :)

Mathematics
1 answer:
Crazy boy [7]2 years ago
4 0

Answer:

<u>14 sq. units</u>

Step-by-step explanation:

We know that :

  • Area (Δ) = 1/2 x Base x Height

Base

  • Take the difference between the lowest x-value and highest x-value
  • -4 + 8 = 4 units

Height

  • Take the difference between the lowest y-value and highest y-value
  • 9 - 2 = 7 units

Area

  • 1/2 x 4 x 7
  • 28/2
  • <u>14 sq. units</u>
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Add and simplify 7/8+ 1/6
Svet_ta [14]

Answer:

17/24

Step-by-step explanation:

4 0
3 years ago
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Mr. Dyer is leaning a ladder against the side of his house to repair the roof. The top of the ladder reaches the roof, which is
boyakko [2]

Answer:

5 meters.

Step-by-step explanation:

Given:

Mr. Dyer is leaning a ladder against the side of his house to repair the roof.

The top of the ladder reaches the roof, which is 3 meters high.

The base of the ladder is 4 meters away from the house, where Mr. Dyer's son is holding it steady.

Question asked:

How long is the ladder?

Solution:

<em>Here we found that a right angle triangle is formed in which base and height is given and we have to find the longest side of the triangle.</em>

Base = 4 meters

Height = 3 meters

Length of the ladder = ?

<u>By Pythagoras theorem: </u>

Square of longest side = Square of base + Square of height

(Longest\  side)^{2} =  4^{2} +3^{2}

(Longest\  side)^{2} =  16+9

(Longest\  side)^{2} =  25

Taking root both side :-        

\sqrt[2]{(Longest\ side)^{2} } =\sqrt[2]{25}    

 Longest\  side =  \sqrt[2]{5\times5} \\  Longest\  side =  5

Thus, length of ladder is 5 meters.

         

           

         

         

                 

                

     

4 0
3 years ago
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Looking at the means of these samples, which value is most likely to be the mean of the population from which the samples were t
eduard

Answer:

We are given the below data:

Sample Number              Sample Mean

1                                                 11.8

2                                                 12.5

3                                                 15.1

4                                                 14.3

5                                                 13.0  

6                                                 12.9

7                                                 10.2  

8                                                 11.5

9                                                 12.9

10                                                15.4

Now the most likely mean of the population can be found by finding the mean of given sample means. It is given below:

Mean = \frac{11.8+12.5+15.1+14.3+13.0+12.9+10.2+11.5+12.9+15.4}{10}

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Therefore, the most likely mean of the population from which the samples were taken is 12.96

7 0
3 years ago
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22oz is dortios for $3.99 because go big or go home lol
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3 years ago
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There is a mountain. The mountain is in the shape of a square pyramid. The base of the mountain measures 120 feet by 30 feet. Th
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Volume of a rectangular pyramid=(1/3)Bh
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Answer: 120000 ft³
8 0
3 years ago
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