Answer:
1.56 hours
Step-by-step explanation:
Given,
Rate of first inlet
= 1 pool per 7 hours
= (1/7) pool per hour
Rate of 2nd inlet
= 1 pool in 2 hours
= (1/2) pool per hour
Combined rate = Rate of 1st inlet + Rate of 2nd inlet
= 1/7 + 1/2
= 2/14 + 7/14
= 9/14 pool per hour
taking the inverse of the combined rate gives the time it takes to fill the pool in hours. Hence,
Time for Both pipes to fill the pool = 1 / (9/14) = 14/9 = 1.56 hours
Answer:
4
Step-by-step explanation:
3(x+6) = 30
(x+6) = 30/3
x = 10 - 6
x = 4
<span>According to trigonometric the formula for sin is
sin = opposite/hypotenuse.Sin is defined as the ratio of sides of a right angled triangle.Hypotenuse is the is the longest side of a right-angled triangle,which is the side opposite of the right angle.So the the hypotenuse is clearly 1.3, so you divide 0.5/1.3
Hence the answer is around 0.38
The result is Angle2..</span>
Evaluate the left hand side first:
So, the equation is
Subtract 180 from both sides:
Finally, divide both sides by 3:
<span>the answer is 4.14285714286</span>