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3 years ago

12

Extended Ratios - Complete one of the two prob

1 answer:

yKpoI14uk [10]3 years ago

3 0

Answer:

6

Step-by-step explanation:

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If the average (arithmetic mean) of 2, 7, and x is 12, what is the value of x?

posledela

Answer:

27. (2+7+27=36 36÷3=12) 36=total of the three numbers, 3=Amount of numbers, 12=Average

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3 years ago

-<br> 24x4 – 18x3 + 4x2 - 3x = 0<br> -<br> Solve

Snowcat [4.5K]

Answer:

x = 16.6666666667

Step-by-step explanation:

24x4 - 18x3 + 4x2 - 3x =0

24x4 = 96

18 x 3 = 54

4x2 = 8

96-54+8= 50

50/3 = 16.6666666667

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3 years ago

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The line 3x+4y=24 cuts the x axis at point A and y axis at point B<br><br> Find the lenght if AB

sweet [91]

Length A is (8,0) and the length of B is (0,6)

4 0

3 years ago

Please help with 16 and 17 those are hard

notka56 [123]

The answer to number 17 is c

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3 years ago

The mass of a cylinder made of barium with a height of 2 inches depends on the radius of the cylinder as defined by the function

svp [43]

Answer:

$r=22.07\ in$

Step-by-step explanation:

<em><u>The correct function is</u></em>

$m(r)=7.188\pi r^{2}$

we have

System of equations

$m=7.188\pi r^{2}$ -----> equation A

$m=11,000$ -----> equation B

Solve by substitution method

substitute equation B in equation A

$11,000=7.188\pi r^{2}$

Solve for r

Divide by 7.188π both sides

$r^{2}=\frac{11,000}{7.188\pi}$

square root both sides

$r=22.07\ in$

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3 years ago

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