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katrin2010 [14]

3 years ago

6

Which of these best describes the relationship between radius and diameter

2 answers:

Temka [501]3 years ago

8 0

Answer:

Multiply the diameter by 1/2 to get the radius

Step-by-step explanation:

The radius is half of the diameter, multiplying the diameter by 1/2 will give you the radius.

Tcecarenko [31]3 years ago

3 0

Answer: multiply the diameter by 1/2 to get the radius

Step-by-step explanation: A diameter is a line across a circle at which its endpoints lie on the circle and travels through the center of the said circle, cutting the circle perfectly in half. The radius is the measurement from the sender of the circle to any given point on the circle and is always equidistant and congruent to other radii of the same circle. For this reason, the radius is always half the length of the diameter. Thus, to define the relationship between the two, multiplying the diameter by 1/2 would be the same as diving it by 2, giving you the radius of the circle.

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Which expression can be used to change 75 kilometers per hour to meters per minute?

atroni [7]

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3 years ago

Given the figure below is a special type of trapezoid and WX || YZ, which angle pairs can be proven supplementary by the given i

RSB [31]

Answer:

The answer:

<W and <Z

<X and <Y

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Step-by-step explanation:

8 0

3 years ago

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John is going on a trip and the country he is traveling to uses the Celsius scale. He is curious about converting Celsius temper

Setler79 [48]

Answer:

$f(x)=\dfrac{9}{5}x+32$ converts Celsius to Fahrenheit.

$g(x)=\dfrac{5(x-32)}{9}$ converts Fahrenheit to Celsius.

Step-by-step explanation:

Write given data in the table

$\begin{array}{cc}x&f(x)\\^{\circ}\text{C}&^{\circ}\text{F}\\20&68\\30&86\end{array}$

Let the expression for the function be

$f(x)=ax+b$

Note, that this equation is linear equation and it is well-known fact that the Celsius to Fahrenheit dependence is linear.

Substitute corresponding values into this expression:

$68=20a+b\\ \\86=30a+b$

Subtract these two equations:

$86-68=30a-20a\\ \\10a=18\\ \\a=\dfrac{9}{5}$

Substitute it into the first equation:

$68=20\cdot \dfrac{9}{5}+b\Rightarrow b=68-36=32$

So,

$f(x)=\dfrac{9}{5}x+32$

This is the function which converts Celsius to Fahrenheit.

And function

$g(x)=\dfrac{5(x-32)}{9}$ converts Fahrenheit to Celsius.

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3 years ago

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damaskus [11]

Answer:

this is a table

y= (a times when y is negative)

X=(X is possitive)

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3 years ago

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murzikaleks [220]

Im not understanding what you are asking

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3 years ago