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Thepotemich [5.8K]
2 years ago
7

the perimeter of a rectangle is 40 cm. two of his sides measure 12.9 cm and 14.6 cm find the length of its third side.​

Mathematics
1 answer:
Tomtit [17]2 years ago
7 0

Answer:

the third side is 12.6 centimeters

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I’ve posted this a lot already and i keep getting it wrong can you help pls?
Schach [20]

Answer: See below; x=1/6

Step-by-step explanation:

This problem may seem intimidating, but all you need to know are your exponent rules. Let's first work inside the parenthesis. Since the bases are the same, we can directly subtract the exponents.

\frac{3}{4} -\frac{3}{8}                             [common denominator]

\frac{6}{8} -\frac{3}{8}                             [subtract]

\frac{3}{8}

Now, our new answer is (3^\frac{3}{8} )^\frac{4}{9}.

Unfortunately, the answer is asking for an exponent with a single base. One of the properties is when the exponents are separated by parenthesis, you multiply them together.

\frac{3}{8} *\frac{4}{9}                              [cross cancel to simplify]

\frac{1}{2} *\frac{1}{3}                              [multiply]        

\frac{1}{6}

Our final answer is 3^\frac{1}{6}.

The value is x is \frac{1}{6} since 3^\frac{1}{6} is equal to 3^x, we know that x=\frac{1}{6}.

5 0
3 years ago
Can someone please help me?
kozerog [31]

Answer:

c

Step-by-step explanation:

8yfdggdufugfugyxcugxfyyrx

7 0
2 years ago
according to a recent survey, in 2000, 64% of households had one or more pets.Throughout the next decade, this decreased by appr
ehidna [41]

Answer:

Year 2034

Step-by-step explanation:

In 2000, 64% had one or more pets

<em>Since decreasing at 1% per year, we can say:</em>

<em>In 2001, 63%</em>

<em>In 2002, 62%</em>

<em>In 2003, 61%</em>

<em>In 2004, 60%</em>

<em>And so on</em>

<em />

To go to 30% from 60% in 2004, we would need to decrease 60 - 30 = 30%, and that will occur after 30 more years. So that would be the year

2004 + 30 = 2034

So, year 2034

3 0
3 years ago
How much can 0.75 go into 4.5
Nutka1998 [239]

Answer:

6 times

Step-by-step explanation:

well  just divide 4.5 by 0.75 to get

8 0
2 years ago
Read 2 more answers
A company has two factories, factory A and factory B. The cost per item to produce q items in factory A is 200 + 3q q . The cost
Serhud [2]

Answer:

100

Step-by-step explanation:

200+3qq+400+q3q

200+3q²+400+3q²

3q²-3q²+400-200    

q²=200

q²=200/2

q²=100

7 0
3 years ago
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