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Galina-37 [17]
2 years ago
10

What does the variable X equal ​

Mathematics
1 answer:
Ray Of Light [21]2 years ago
8 0
The variable x always equals 1
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What is the least common denominator for the fractions 9/14and 2\21
Diano4ka-milaya [45]
Hello : 
14 = 2×7
21 = 3×7
<span> the least common denominator for the fractions 9/14and 2\21  is : 6×7=42</span>
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3 years ago
What is the formula for the following arithmetic sequence? -9 , -2 , 5 , 12
nirvana33 [79]
First term:  -9
Common difference:  7


a(n) = -9 + 7(n-1), for n = {1, 2, 3, ... }

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This is correct.
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3 years ago
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How do you find 65% of 100
galben [10]
You multiply .65 times 100 and you get 65 which is 65% of 100
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2 years ago
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Graph the following piecewise function:
zhenek [66]
Check the picture below.

notice the solid circle at -4 and 3, since it includes those points.

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5 0
3 years ago
These cylinders are similar. Find the volume of
Basile [38]

Answer:

V_s=85\ cm^3

Step-by-step explanation:

Let V_s\ and\ V_b be the volumes of the smaller and bigger cylinder.

The formula for the volume of a cylinder is given by :

V=\pi r^2 h

As the two triangles are similar, the cube of their ratio would equal the ratio of their volume i.e.

\dfrac{V_s}{V_b}=(\dfrac{h_s}{h_b})^3\\\\\dfrac{V_s}{V_b}=(\dfrac{3}{5})^3\\\\\dfrac{V_s}{V_b}=0.216\\\\V_s=393\times 0.216\\\\V_s=84.8\\\\or\\\\V=85\ cm^3

So, the volume of the smaller cylinder is equal to 85\ cm^3.

3 0
2 years ago
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