3 years ago

Examples on graphing proportional relationships

Mathematics

1 answer:

snow_tiger [21]3 years ago

8 0

There is help on khanacademy.com, just search graphing proportional relationships and it'll show up.

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Find the Area of the circle. Round your answer to the nearest hundredth. <br> Diameter is 3in.

Sidana [21]

Answer:

A = 7.07

Step-by-step explanation:

A = pi 1.5^2

A = pi 2.25

A = 7.07

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3 years ago

Is "x = 1" a function? if not please explain why.

MrRa [10]

Answer:

x = 10

Step-by-step explanation:

x is not equal to 1 is equal to 10

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3 years ago

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statuscvo [17]

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3 years ago

Solve the system of equations.<br> 13x – 6y = 22<br> x = y + 6

GrogVix [38]

Answer:

$y=-8\\x=-2$

Step-by-step explanation:

$13x-6y=22\\x=y+6$

Replace x in the first equation.

$13x-6y=22\\13(y+6)-6y=22\\13y+78-6y=22\\7y+78=22\\7y=22-78\\7y=-56\\y=\frac{-56}{7}\\ y=-8$

Now replace y in any of the equations to find x.

$x=y+6x=-8+6\\x=-2$

6 0

3 years ago

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PLEASE HELP ...find the volume of the composite solid

Travka [436]

Answer:

≈ 113.1 in³

Step-by-step explanation:

The figure comprises of a cylinder and a cone.

V cylinder = bh= πr²h
V cone = 1/3bh = 1/3πr²h

Total volume is:

V = π*2²*8 + 1/3π2²*3 ≈ 113.1 in³

5 0

4 years ago