Question Solve: x - 18 = –103. Provide your answer belo

Mathematics

2 answers:

Alexxandr [17]3 years ago

6 0

Answer:

x=-85

Step-by-step explanation:

x-18=-103

x=-103+18

x=-85

Elan Coil [88]3 years ago

4 0

X=-85. add 18 to both sides

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What, roughly, is the percent uncertainty in the volume of a spherical beach ball whose radius is r = 2.86 plus or minus .09 m?

Aleksandr-060686 [28]

The volume of a sphere is calculated through the equation,

V = 4πr³ /3
where r is the radius of the given.

If the radius is 2.86, we can substitute the value to the equation above such that,
V = 4π(2.86)³ / 3 = 97.99π m³

When the radius is 0.09 m plus the given radius then,
V = 4π(2.86 - 0.09)³ / 3 = 89.03π m³

The difference between the volumes is equal to,
difference = 97.99π - 89.03π m³ = 8.96π m³

Dividing this to the original volume and multiplying by 100%,
percentage = (8.96π/97.99π) x 100%
percentage = 9.14%.

Hence, the expected percent uncertainty is equal to 9.14%.

3 0

3 years ago

Please answer below :-)

katrin2010 [14]

Step-by-step explanation:

$\frac{2x - 1}{4} + \frac{x}{3} = 2$