Answer:
D. 6
Step-by-step explanation:
Suppose the triangles are similar:
The side lenghts would be proportional as follows
XZ/DF = XY/DE
12/8 = 9/x cross multiply expressions
12x = 72 divide both sides by 12
x = 6
Answer:
There are 10 blocks in a row (section). There are 6 rows (sections).
1.
A. If each block has a value of one, what is the value for a section of blocks?
<h2>
10</h2>
There are 10 blocks in a section. 10 * 1 = 10
B. What is the total value of all the blocks, write an equation?
<h2>60</h2>
There are 6 sections. There are 10 blocks in a section. 6 * 10 * 1 = 60
2.
A. If each block has a value of ten, what is the value for a section of blocks?
<h2> 100</h2>
There are 10 blocks in a section. 10 * 10 = 100
B. What is the total value of all the blocks, write an equation?
<h2>600</h2>
There are 6 sections. There are 10 blocks in a section. 60 * 10 * 10 = 600
1/((R2+R1)/(R2*R1))
= 1/(R2+R1) * (R2*R1)/1
So answer 4
82% if you put it as a decimal it would be 0.82.
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