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3 years ago

Graphing points and lines

Mathematics

1 answer:

Flura [38]3 years ago

5 0

Answer:

What do u want to say? tell it clearly.

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18+3x=-10+x what is x

son4ous [18]

18+3x=-10+x
3x-x=-10-18
2x=-28
x=-14

7 0

3 years ago

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HELP!!!!!! . GIVEN THE INFORMATION BELOW, Fino AC

LekaFEV [45]

Answer:the answer is B

Step-by-step explanation:

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3 years ago

what is the ratio for the volumes of two similar spheres given that the ratio of their radii is 4:7 A.)343:64 B.)49:16 C.)16:49

quester [9]

Answer:

Volume of the similar sphere be 64 :343 .

Option (D) is correct.

Step-by-step explanation:

Formula

$Volume\ of\ a sphere = \frac{4}{3}\pi r^{3}$

As given

The volumes of two similar spheres given that the ratio of their radii is 4:7 .

Let us assume that the x be the scalar multiple of the radi .

Radius of first sphere = 4x

Radius of second sphere = 7x

Putting the values in the formula

$Volume\ of\ first\ sphere = \frac{4}{3}\pi\times 4x\times 4x\times 4x$

$Volume\ of\ first\ sphere = \frac{4}{3}\pi\times 64x^{3}$

$Volume\ of\ second\ sphere = \frac{4}{3}\pi\times 7x\times 7x\times 7x$

$Volume\ of\ second\ sphere = \frac{4}{3}\pi\times 343x^{3}$

Thus

$\frac{Volume\ of\ first\ sphere}{Volume\ of\ second\ sphere} = \frac{\frac{4\pi\times 64x^{3}}{3}}{\frac{4\pi\times 343x^{3}}{3}}$

$\frac{Volume\ of\ first\ sphere}{Volume\ of\ second\ sphere} = \frac{64}{343}$

Therefore the ratio of the volume of the similar sphere be 64 :343 .

Option (D) is correct .

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3 years ago

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Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

julsineya [31]

Answer:

27.7

Step-by-step explanation:

90 - 62.3 = 27.7

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3 years ago

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Y + x = ax<br> make x the subject of the formula

Airida [17]

Answer:

y + x = ax

y=ax-x

y=x(a-1)

x=y/(a-1)

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3 years ago