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3 years ago

PLZ HELP!! Need the answer!!!

Mathematics

2 answers:

Amiraneli [1.4K]3 years ago

6 0

Yes they are the same because when the negative is distributed into (an+c), the plus sign becomes a negative.

ziro4ka [17]3 years ago

4 0

They are the same. #batgirl

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A student solved for the radius of a circle with a circumference of 12π

padilas [110]

Answer:

Step 4 is incorrect he did not divide correctly from step3 to step 4

Step-by-step explanation:

The circumference of a circle is

C = 2 * pi *r

We know the circumference is 12 pi

12pi = 2 pi *r

Divide each side by 2 pi

12 pi/2pi = 2pi r/ 2pi

6 = r

From step 3 The student did not cancel the pi in the top and the bottom on the right hand side to isolate r

In step 4 he got 6 =pi r instead of pi

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3 years ago

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allsm [11]

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2 years ago

Suppose that the relation H is defined as follows.

9966 [12]

ANSWER:
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2 years ago

Find the area under the curve y = 27/x3 from x = 1 to x = t. Evaluate the area under this curve for t = 10, t = 100, and t = 100

Darina [25.2K]

Answer:

Step-by-step explanation:

given is a function as

$y=\frac{27}{x^3}$

We are to find the area form x=1 to x=t

The curve from x=1 lies in the I quadratnt.

So area above x axis is to be calculated

Area = $\int\limits^t_1 {\frac{27}{x^3} } \, dx \\=\frac{-27}{2x^2} \\= \frac{-27}{2t^2}-\frac{-27}{2}\\=\frac{27}{2}(1-\frac{1}{t^2} )$

a) When t =10,

area = $\frac{27}{2} (1-\frac{1}{10^2} )\\= 13.365$

b) t=100

area = $\frac{27}{2} (1-\frac{1}{100^2} )\\= 13.49865$

c) t=10000

area = $\frac{27}{2} (1-\frac{1}{10000^2} )\\= 13.5$

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2 years ago

Hey I am new-<br><br><br><br>nvm what is radius?

DENIUS [597]

Answer:

a straight line from the center to the circumference of a circle or sphere.

Step-by-step explanation:

7 0

2 years ago