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3 years ago

Reciprocal of 1/10 = ?

2 answers:

7 0

The reciprocal of 1/10 is 10/1 or 10. For 16 it is 1/16. To make it easier you just flip or switch the denominator and numerator. Hope I was helpful.

Flauer [41]3 years ago

4 0

The reciprocal of 1/10 is 10/1 or 10 and the reciprocal of 16 is 1/16. The reciprocal is 1 divided by a number or the reverse of that.

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What is the perimeter of the Octagon below?

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The answer is 63 units, just add them up.

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Alberto is snowboarding down a mountain with a constant slope. the slope he is on has an overall length of 1560 feet. the top of

Olenka [21]

The slope of the equation is calculated as:

$\frac{h_2-h_1}{t_2-t_1}=m$

Where $h_2$ is the height of the upper part of the slope and $h_1$ is the height of the low er part.

$m=\frac{4000-4600}{24-0}$

$m=-25$

So, the equation of the line is:

$h-4600=-25(t-0)$

$h=-25t+4600$

With this equation we can find the height of Alberto after having passed 10 sec.

$h(10)=-25 (10)+4600\\h(10)=-250+4600\\h(10)=4350$

After 10 seconds Alberto is 350 feet from the bottom of the slope.

Alberto's speed is:

$v=\frac{1560ft}{24s}=65ft/s$

The speed in miles per hour is:

$v=65ft /s*\frac{1 mile}{5280 ft}*\frac{3600s}{1 hour}\\v=44.32 miles/h$

4 0

4 years ago

Simplify the expression.

Tresset [83]

7•[24/(12-4)]-3

= 7•[24/8] - 3

= 7•[3] - 3

= 21 - 3

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3 years ago

Is the binomial x-9 a factor of 4x^3-28^2-36x-27

Anuta_ua [19.1K]

Answer:

Step-by-step explanation:

If (x - 9) is a factor then x = 9 is a root and f(9) = 0

f(x) = 4x³ - 28x² - 36x - 27, hence

f(9) = 4(9)³ - 28(9)² - 36(9) - 27

= 2916 - 2268 - 324 - 27 = 297

Since f(9) ≠ 0 then (x - 9) is not a factor of f(x)

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3 years ago

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15/10 reduces to 1 1/2

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