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3 years ago

Find the mean proportional between 9 and 1/36

Mathematics

1 answer:

jeka943 years ago

4 0

Answer:

The mean proportional between 1/36 and 1/9 would be 1/18.

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What is 3 7/8 + 2 5/6 =

BARSIC [14]

Answer:

$\frac{161}{24}=6\frac{17}{24}$

Step-by-step explanation:

$3\frac{7}{8}+2\frac{5}{6}$

Convert the mixed fractions to improper fractions:

$\frac{31}{8}+\frac{17}{6}$

Find the common denominator and write equivalent fractions:

$(\frac{31}{8}\times{\frac{3}{3}})+(\frac{17}{6}\times{\frac{4}{4}})$

$\frac{93}{24}+\frac{68}{24}$

Add:

$\frac{93}{24}+\frac{68}{24}=\frac{161}{24}$

Reduce to mixed fraction:

$\frac{161}{24}=6\frac{17}{24}$

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A computer has a price of $400.with sales tax,it will cost $416. What is the sales tax percentage

lozanna [386]

100 - 80% = 20 %

20% = $416

416 x 5 = $2080 = 100%

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3 years ago

What is the value of a for the following circle in general form? X^2+y^2+ax+by+c=0

vovikov84 [41]

Answer:

ANSWER: 8 A_P_E_X

Step-by-step explanation:

Plug the radius and the center point into the equation, and convert it to general form to get your answer.

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What is the sum of -8 and its opposite? What are they called ?

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Answer:The sum of - 8 Is positive 8

Opposite

Step-by-step explanation:

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3 years ago

Expand and simplify x(x + 2)(x + 4)

babymother [125]

Answer:

Step-by-step explanation:

Comment

Expand the second and 3rd factors first. Then worry about the x.

Solution

x(x + 2)(x + 4)

first: x * x = x^2

Outside: 4*x = 4x

Inside: 2*x = 2x

Last: 2*4 = 8

Combine

x^2 + 4x + 2x + 8

x^2 + 6x + 8

Now is the time to worry about the extra x

x(x^2 + 6x + 8)

remove the brackets.

x*x^2 + x*6x + 8*x

Combine

Answer: x^3 + 6x^2 + 8x

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2 years ago

Find the mean proportional between 9 and 1/36​

Find the mean proportional between 9 and 1/36