Answer:
The first one is correct
Step-by-step explanation:
You can multiply the base and perpendicular height to find the area.
16 cm - 2.5 cm = 13.5 cm, which is 1/4 of the diameter of the large gear. Take 13.5 cm * 4, and you have the diameter of the large gear, which is 54 cm.
Answer:
Step-by-step explanation:
(9x-1)^-1/2 - (x+2)(9x-1)^-1/2
= (9x-1)^-1/2( 1 - (x + 2))
= (9x-1)^-1/2(-1 - x)
= -(x + 1)(9x-1)^-1/2
= -(x + 1) / (9x-1)^1/2
Answer:
x = -8/29 = -0.276
Step-by-step explanation:
Step 1 :
Solving a Single Variable Equation :
1.1 Solve : 29x+8 = 0
Subtract 8 from both sides of the equation :
29x = -8
Divide both sides of the equation by 29:
x = -8/29 = -0.276
One solution was found :
x = -8/29 = -0.276
Processing ends successfully
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Answer 2.85
On rounding to nearest hundredths, we get than 2.85 as at thousandths place, there is 9 which is greater than 5, so 1 is added to the hundredth value.
