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umka21 [38]
2 years ago
11

Evaluate. 7! —— 5!2! A)1 B)21 C)42

Mathematics
1 answer:
aksik [14]2 years ago
4 0

Step-by-step explanation:

<h2><em><u>this </u></em><em><u>is </u></em><em><u>your</u></em><em><u> </u></em><em><u>answer</u></em></h2><h2><em><u>thank</u></em><em><u> you</u></em><em><u> ☺️</u></em></h2>

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Can someone please explain? I don't understand
Nezavi [6.7K]
A solution for a pair of lines means that they are equal to each other. This occurs when they instersect. Since the lines have the same slope, but are not the same line, they are parallel, so they will never intersect. This means there are zero solutions.
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Can anyone solve this
Minchanka [31]
E because 8*8=64 so 8/49*8/49 = 64/49
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PLS HELP! I NEED TO FIND THE SURFACE AREA OF THIS CYLINDER!
Contact [7]

Exact Surface Area = 378pi

Approximate Surface Area = 1186.92

The approximate surface area uses pi = 3.14

The units are cm^2 or "square cm".

=========================================================

Work Shown:

SA = surface area of cylinder

SA = 2*pi*r^2 + 2*pi*r*h

SA = 2*pi*7^2 + 2*pi*7*20

SA = 2*pi*49 + 2*pi*140

SA = 2*49*pi + 2*140*pi

SA = 98pi + 280pi

SA = 378pi ..... exact surface area

SA = 378*3.14

SA = 1186.92 ..... approximate surface area

----------

Side note: The diameter 14 cuts in half to get the radius r = 7

3 0
3 years ago
Read 2 more answers
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Scale facor of 3.7. BAAAAM
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