Please help me on my quiz hurry

Mathematics

2 answers:

Ira Lisetskai [31]3 years ago

6 0

Answer:

it should be c but im not a 100% sure so if its wrong plz dont be mad i learned this 2 years ago i dont remember... *so much*

Step-by-step explanation:

-Dominant- [34]3 years ago

3 0

Answer: 2 units to the right and reflection over x axis.

Step-by-step explanation:

Notice the sequence of triangle RST from original image changes to triangle RTS to the mapped image. This is the first clue that this is a reflection. In rotations, the sequence of the points do not change. Also notice point R is moved two units to the right.

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The circumference of a sphere was measured to be 82 cm with a possible error of 0.5 cm. (a) Use differentials to estimate the ma

NeTakaya

Answer:

The Maximum error is $26cm^2$

Step-by-step explanation:

Given that the circumference of a sphere was measured to be 82 cm with a possible error of 0.5 cm

<h3>To find :</h3><h3>(a) Use differentials to estimate the maximum error in the calculated surface area. (Round your answer to the nearest integer.) $cm^2$ </h3>

Given circumference of a sphere=82 cm and possible error =0.5 cm

Error of the surface area is dA

Error of circumference is dC = 0.5 cm

We know that the formula for Circumference of a sphere is C=2πr units

Differentiating with respect to r

$dC = 2\pi dr$