4 years ago

What equation represent the relationship between a and b show in the table ?

Mathematics

2 answers:

Leona [35]4 years ago

6 0

$b=a+5$

Hope this helps.

Volgvan4 years ago

4 0

Answer:

b=a+5

Step-by-step explanation:

6-1=5

7-2=5

8-3=5

9-4=5

Please rate brainliest! :D

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A unit vector lies in the xy plane, at an angle of 153 degrees from the x axis, with a positive y component. What is the unit ve

tino4ka555 [31]

Answer:

unit vector = -0.891i + 0.454j

Step-by-step explanation:

Given that;

magnitude of unit vector =

angle of 153° degrees from the x axis, with a positive y component

{ second quadrant }

so, x and y components of the vector are;

x component = 1 × cos(153°) = - 0.891

y component = 1 × sin(153°) = 0.454

⇒ -0.891i + 0.454j

Therefore, unit vector = -0.891i + 0.454j

3 0

3 years ago

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kramer

Answer:

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3 years ago

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Phoenix [80]

Answer

a. The volume is multiplied by 4

b. The volume is doubled

Explanation

a. The volume of a cone with radius r and height h is $\pi r^2 h/3$ . If the radius is doubled, the new volume will be $\pi (2r)^2h/3$ , which is equal to $4\pi r^2h/3$ . This means that the volume is multiplied by 4.

b. The volume of a cone with radius r and height h is $\pi r^2 h/3$ . If the height is doubled, the new volume will be $\pi r^2(2h)/3$ , which is equal to $2\pi r^2 h/3$ . This means that the volume is multiplied by 2.