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3 years ago

8

A dime has a circumference of about 57.33 millimeters.What is the radius of a dime??. Round it your answer to two decimal places

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1 answer:

rosijanka [135]3 years ago

5 0

The radius would be 9.129

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Negative three times the sum of a number and seven:

Sloan [31]

Answer:

Answers: D E F

Step-by-step explanation:

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8 0

3 years ago

Write an equation for the line parallel to the given line that contains C. <br> C (1,8); 5/7x + 7

Genrish500 [490]

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Answer: $\textsf{y = 5/7x + 51/7}$

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Given: $\textsf{Goes through (1, 8) and is parallel to y = 5/7x + 7}$

Find: $\textsf{Write an equation that follows that criteria}$

Solution: We know that our equation is going to parallel to the line that was given therefore the slope would stay the same at 5/7. We also have a point so we can plug in the values into the point-slope form, distribute, and solve for y.

<u>Plug in the values</u>

$\textsf{y - y}_1\textsf{ = m(x - x}_1\textsf{)}$

$\textsf{y - 8 = 5/7(x - 1)}$

<u>Distribute</u>

$\textsf{y - 8 = (5/7 * x) + (5/7 * (-1))}$

$\textsf{y - 8 = 5/7x - 5/7}$

<u>Add 8 to both sides</u>

$\textsf{y - 8 + 8 = 5/7x - 5/7 + 8}$

$\textsf{y = 5/7x - 5/7 + 8}$

$\textsf{y = 5/7x + 51/7}$

Therefore, the final equation that follows the description that was provided in the problem statement is y = 5/7x + 51/7.

4 0

2 years ago

What is the inverse of f(x)=x^4+7 for x>0 where function g is the inverse of function f?<br> -

Ann [662]

Answer:

$g(x) = \sqrt[4]{x-7},~ x\geq 7$

Step by step explanation:

$y= f(x) = x^4+7\\\\\text{Replace x with y and solve for y:}\\\\~~~~~~~x = y^4 +7\\\\\implies y^4 = x-7\\\\\implies y = \pm\sqrt[4]{x-7}\\\\ \implies f^{-1}(x) = \pm\sqrt[4]{x-7}$

7 0

2 years ago

A number is multiplied by 8, and that product is added to 2. The sum is equal to the product of 2 and 25. Find the number.

LenKa [72]

Answer: the number = 6

Step-by-step explanation:

<u>Let x be the number.</u>

<u>Set equation according to the information given</u>

2 + 8x = 2 × 25

<u>Simplify by multiplication</u>

2 + 8x = 50

<u>Subtract 2 on both sides</u>

2 + 8x - 2 = 50 - 2

8x = 48

<u>Divide 8 on both sides</u>

8x / 8 = 48 / 8

$\boxed {x=6}$

Hope this helps!! :)

Please let me know if you have any questions

6 0

3 years ago

F(x) = x − 8, g(x) = 12 − x

KatRina [158]

Answer:

F(12-x)=-x+4

Step-by-step explanation:

8 0

4 years ago