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3 years ago

9

What expression is equivalent to 9(9m + 3t)?

2 answers:

Novosadov [1.4K]3 years ago

6 0

Answer:

81m + 27 t

Step-by-step explanation:

Tcecarenko [31]3 years ago

3 0

Answer:

81m+27t

Step-by-step explanation:

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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

$r=22.07\ in$

5 0

3 years ago

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lbvjy [14]

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<u>Work</u><u>:</u><u> </u><u>y2-y1</u><u>/</u><u>x2-x1</u>

<u>1</u><u>)</u><u> </u><u>1</u><u>0</u><u>-6</u><u>/</u><u>-2-8</u>

<u>2</u><u>)</u><u>4</u><u>/</u><u>-10</u>

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3 years ago

What is the difference of the rational expressions below?

Verdich [7]

Answer:

work is shown and pictured

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2 years ago

Please help me yhank you

Citrus2011 [14]

Answer:972

Step-by-step explanation:

Divide both numbers by 972 and they both go into each other

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Step-by-step explanation:

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