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Goryan [66]
3 years ago
12

Please someone please help me I need a good answer

Mathematics
1 answer:
Hunter-Best [27]3 years ago
8 0
F(x)=2x^2+5x-8 is an example of a non-linear equation. Anything with x is linear, anything with x raised to a power (any power except 0 and 1) is non-linear.
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Please help me on this
taurus [48]

Answer:

gshwhsye

Step-by-step explanation:

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8 0
3 years ago
The circumference of the equator of a sphere was measured to be 82 82 cm with a possible error of 0.5 0.5 cm. Use linear approxi
True [87]

Answer:

The maximum error in the calculated surface area is approximately 8.3083 square centimeters.

Step-by-step explanation:

The circumference (s), in centimeters, and the surface area (A_{s}), in square centimeters, of a sphere are represented by following formulas:

A_{s} = 4\pi\cdot r^{2} (1)

s = 2\pi\cdot r (2)

Where r is the radius of the sphere, in centimeters.

By applying (2) in (1), we derive this expression:

A_{s} = 4\pi\cdot \left(\frac{s}{2\pi} \right)^{2}

A_{s} = \frac{s^{2}}{\pi^{2}} (3)

By definition of Total Differential, which is equivalent to definition of Linear Approximation in this case, we determine an expression for the maximum error in the calculated surface area (\Delta A_{s}), in square centimeters:

\Delta A_{s} = \frac{\partial A_{s}}{\partial s} \cdot \Delta s

\Delta A_{s} = \frac{2\cdot s\cdot \Delta s}{\pi^{2}} (4)

Where:

s - Measure circumference, in centimeters.

\Delta s - Possible error in circumference, in centimeters.

If we know that s = 82\,cm and \Delta s = 0.5\,cm, then the maximum error is:

\Delta A_{s} \approx 8.3083\,cm^{2}

The maximum error in the calculated surface area is approximately 8.3083 square centimeters.

6 0
3 years ago
The videography team entered a contest and won a monetary prize of 1,350. Which expression represents how much each person would
Drupady [299]

Answer:

1350/x or 1350÷x

Step-by-step explanation:

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Which property of multiplication is shown?<br> (7 X 4) x 2 = 7 * (4 x 2)
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Its all messed up

Step-by-step explanation:

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3 years ago
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How many photocopies can you make for $2.00 at the rate of three copies for ten cents?
tigry1 [53]
Im not 100% that thats correct but im pretty sure it is.
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