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Sati [7]
3 years ago
8

What is the answer pls I need finals

Mathematics
1 answer:
andreev551 [17]3 years ago
6 0

Answer:

( - 2,1)

Step-by-step explanation:

Hope it is helpful...

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A solid object in the shape of a cylinder is shown below.
lozanna [386]

Answer:

0.08\ kg/m^3

Step-by-step explanation:

Density is defined as mass of an object divided by its volume.

#We calculate the volume of the cylinder:

V=\pi r^2 h, r=D/2=6/2=3\ cm\\\\=3.14\times 3^2\times 7\\\\=197.82\ m^3

Given the mass= 15.3kg and volume as above, we calculate density as:

\rho=\frac{Mass}{Volume}\\\\=\frac{15.3\ kg}{197.82\ m^3}\\\\=0.0773\approx 0.08\ kg/m^3

Hence, the solid's density is 0.08\ kg/m^3

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3 years ago
How do u solve this problem
777dan777 [17]

\text{Use}\\(a+b)^2=a^2+2ab+b^2\\\\i=\sqrt{-1}\to i^2=-1

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3)\\(-1+6i)^2=(-1)^2+2\cdot(-1)\cdot6i+(6i)^2=1-12i+36i^2\\\\=1-12i-36=-35-12i

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4 years ago
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Ne4ueva [31]
What is the bottom number of the shed
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3 years ago
I'm really confused on this one please answer !!!!!!!
Sedbober [7]
The formula for finding the area of a rug: A = s^2

Plugging in the values we know, we can solve for s.

79 = s^2

Take the square root of both sides.

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So, 8.89 feet is the answer.
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3 years ago
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