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weqwewe [10]
3 years ago
14

Let yequals[Start 3 By 1 Matrix 1st Row 1st Column 3 2nd Row 1st Column negative 7 3rd Row 1st Column 3 EndMatrix ]​, Bold u 1eq

uals[Start 3 By 1 Matrix 1st Row 1st Column negative 3 2nd Row 1st Column negative 5 3rd Row 1st Column 1 EndMatrix ]​, Bold u 2equals[Start 3 By 1 Matrix 1st Row 1st Column negative 3 2nd Row 1st Column 3 3rd Row 1st Column 6 EndMatrix ]. Find the distance from y to the plane in set of real numbers R cubed spanned by Bold u 1 and Bold u 2.
Mathematics
1 answer:
Tanya [424]3 years ago
5 0

Answer:

Answer to Let Bold Upper A equals Start 3 By 3 Matrix 1st Row 1st Column 1 2nd ... 1st Column 4 2nd Column 7 3rd Column 0 3rd Row 1st Column negative 4 ...

Step-by-step explanation:

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A cylinder has diameter of 4ft and a height of 9ft. Explain whether halving the diameter has the same effect on the surface area
elena55 [62]

Answer:

See Below

Step-by-step explanation:

The surface area of cylinder is given by the formula:

SA=2\pi r^2 + 2\pi r h

Where

r is radius ( diameter is 4, so radius is 4/2 = 2)

h is height ( h = 9)

Lets find original surface are:

SA=2\pi r^2 + 2\pi r h\\SA=2\pi (2)^2 + 2\pi (2) (9)\\SA=8\pi +36\pi\\SA=44\pi

<u>Halving diameter:</u>

diameter would be 4/2 = 2, so radius would be 2/2 = 1

So, SA would be:

SA=2\pi r^2 + 2\pi r h\\SA=2\pi (1)^2 + 2\pi (1) (9)\\SA=2\pi +18\pi\\SA=20\pi

<u>Halving height:</u>

Height is 9, halving would make it 9/2 = 4.5

Now, calculating new SA:

SA=2\pi r^2 + 2\pi r h\\SA=2\pi (2)^2 + 2\pi (2) (4.5)\\SA=8\pi + 18\pi\\SA= 26\pi

Original SA is 44\pi,

Halving diameter makes it 20\pi

Halving height makes it 26\pi

So, halving diameter does not have same effect as halving height.

5 0
3 years ago
Write an equation of a line that passes through the point (2, 3) and is parallel to the line y = 3 over 2x + 5.
lana [24]
I think the answer is b B. y = negative 2 over 3x − 7
4 0
3 years ago
If a+b+b =24 and b-a =4 what is a?​
Lyrx [107]

Answer:

a = 5 1/3

Step-by-step explanation:

a+b+b = 24

a + 2b = 24

b-a =4

a = b - 4

b - 4 + 2b = 24

3b = 24 + 4

b =28/3

substitute this in a = b - 4

a = 28/3 - 4

a = 28/3 - 12/3

a = 16/3

a = 5 1/3

3 0
3 years ago
Read 2 more answers
Use the formula C = 2πr and π= 3.14 to find the circumference of a circle with a radius of 5 meters.
professor190 [17]
Solution D 

Just put into a calculator 

Hope I helped :)

7 0
3 years ago
If 317 + x=609 then, x equals?
Dvinal [7]
If 317+x=609, then x is 292.

609-317=292 therefore, x is 292.
3 0
3 years ago
Read 2 more answers
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