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Answer:
12×11×10×9×8×7= 665 280 ways
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Step-by-step explanation:
The first inquiry has 12 ways
The 2nd inquiry has 11 ways
The 3rd inquiry has 10 ways
The 4th inquiry has 9 ways
The 5th inquiry has 8 ways
The 6th inquiry has 7 ways
Answer:
it will take 1 min 30 second to do one lap
Step-by-step explanation:
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Answer:
Step-by-step explanation:
Solution by substitution method
3x-4y=8
and 18x-5y=10
Suppose,
3x-4y=8→(1)
and 18x-5y=10→(2)
Taking equation (1), we have
3x-4y=8
⇒3x=4y+8
⇒x=(
4y+8)/
3 →(3)
Putting x=
(4y+8
)/3 in equation (2), we get
18x-5y=10
18(
(4y+8)
/3) -5y=10
⇒24y+48-5y=10
⇒19y+48=10
⇒19y=10-48
⇒19y= -38
⇒y=-
38
/19
⇒y= -2→(4)
Now, Putting y=-2 in equation (3), we get
x=4y+8
x=
(4(-2)+8)
/3
⇒x=
(-8+8)/
3
⇒x=
0/
3
⇒x=0
∴x=0 and y= -2
Answer:
<em>LCM</em><em> </em><em>of</em><em> </em><em>12</em><em> </em><em>and</em><em> </em><em>10</em><em>=</em><em> </em><em>60</em>
<em>hope</em><em> </em><em>this helps</em><em> </em><em><</em><em>3</em>
