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Leto [7]
3 years ago
7

Twenty-seven minus 3/2 of a number (x) is not more than 36. What is the number?

Mathematics
2 answers:
drek231 [11]3 years ago
6 0
27 - 1.5x ≤ 36
54 - 3x ≤ 72
54 - 72 ≤3x
-18 ≤ 3x
-6 ≤ x
x ≥ -6
valkas [14]3 years ago
4 0
27-1.5x<36
54-3x<72                                                                                                                54-72<3x                                                                                                               -18<3x                                                                                                                  -6<x                                                                                                                      x>6  
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nirvana33 [79]

For this case, we must find an expression equivalent to:

\frac {-9x ^ {- 1} y ^ {- 9}} {- 15x ^ 5y ^ {- 3}}

By definition of power properties we have:

a ^ {- 1} = \frac {1} {a ^ 1} = \frac {1} {a}

Rewriting the previous expression we have:

The "-" are canceled and we take into account that:

\frac {9} {15} = \frac {3} {5}

So:

\frac {3} {5x^5 * x ^ 1 *y ^ 9* y ^ {- 3}} =

According to one of the properties of powers of the same base, we must put the same base and add the exponents:

\frac {3} {5x ^ {5 + 1} * y ^ {9-3}} =\\\frac {3} {5x ^ 6 * y ^ 6}

Answer:

\frac {3} {5x ^ 6 * y ^ 6}

Option B

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3 years ago
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7 0
2 years ago
Hello people again please help
densk [106]
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2 years ago
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MA_775_DIABLO [31]
This is because two angles are zero and top is a straight line, and a line is 180 degrees!

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5 0
2 years ago
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12. Samantha can walk 4.5 miles in 30<br> minutes. How many miles can she walk per<br> minute?
Ostrovityanka [42]

Answer:

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Step-by-step explanation:

You want the rate 4.5 miles in 30 minutes expressed in terms of miles per minute.

<h3>Unit rate</h3>

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