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Murrr4er [49]
3 years ago
9

Please help ASAP failing class if i dont answer correct

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
8 0
(See the imagine for reference)
Let’s solve where they have a triangle, so the height is 9 cm, the base is 3 cm:

1/2 • 9 • 3 = 13.5

Since there’s 2 triangles we do:

13.5(2) = 27

Now the rectangle in the middle, where the height is 9cm and the base is 12cm:

12 • 9 = 108

Add up the areas:

108 + 27 = 135

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Answer:

Achmed has 7 pencils.

Step-by-step explanation:

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3 years ago
How do i figure it out
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3 years ago
Find the sum: 5-(5/3) (5/9)-(5/27) (5/81)-......
Alex_Xolod [135]
Hello,

If you don't know how to calculate the sum of a geometric progression,

the solution is the file joined.
else
ratio= \frac{-1}{3} \\
 u_{1} =5\\
 u_{2} =5* \frac{-1}{3} \\
 u_{3} =5* (\frac{-1}{3})^2 \\
 u_{4} =5* (\frac{-1}{3})^3 \\

 u_{n} =5* (\frac{-1}{3})^{n-1} \\

sum= u_{1} * \dfrac{1}{1-( \frac{-1}{3})} =5*3/4=15/4=3.75





Download xls
4 0
3 years ago
PLEASE help me with this!​
Step2247 [10]
The answer is d.

The easiest way is to find a point within the shaded region and test out the equation.
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