3 years ago

What is the relationship between the ratios?

Mathematics

1 answer:

Nonamiya [84]3 years ago

7 0

Not proportional because 2 times 32 is 64 not 72

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Write 0.001742 in scientific notation.

Kobotan [32]

1.742 x 10^-3

This is because you have to move the decimal so there is no non zero digits left in the decimal point and if the number of decimal places you move will be the exponent on the "10". If you move the decimal to the right it will be a negative and if you move it to the left it will be a positive.

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3 years ago

The area of circle B is 121 times greater than the area of circle A. The radius of circle B is 44. What is the radius of circle

xxMikexx [17]

Formula:
$\bigg( \dfrac{radius_1}{radius_2} \bigg)^2 = \dfrac{area_1}{area_2}$

Plug in the values:
$\bigg( \dfrac{r}{44} \bigg)^2 = \dfrac{1}{121}$

Simplify LHS:
$\dfrac{r^2}{1936} = \dfrac{1}{121}$

Multiply by 1936 on both sides:
$r^2 = \dfrac{1936}{121}
$

Simplify RHS:
$r^2 = 16$

Square root both sides:
$r = 4$

Answer: The radius is 4 units. (Answer B)

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3 years ago

Please help me with this one

Fantom [35]

The answer is f because it equals 1/3 and f is 1/3

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3 years ago

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Find the volume of the following figure using unit cubes.

Kipish [7]

The person under has a better answer |

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Jana is doing an experiment. She is on a dock that is 10 feet above the surface of the water. Jana drops the weighed end of a fi

Pani-rosa [81]

To solve we have the following equation below,

Assumption: Line of reference is the surface of the water.

Final distance between Jana & fishing line = (dock height) +(reels out) -(reels back)

Final distance between Jana & fishing line = 10 + 35+ 29 - 7 = 67 feet

 ANSWER: 67 feet

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3 years ago