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diamong [38]
3 years ago
11

Help with this math question

Mathematics
1 answer:
Ulleksa [173]3 years ago
6 0

Answer:

-\frac{13\sqrt{x} }{x}

Step-by-step explanation:

We have been given the following expression;

-13/√x

In order to rationalize the denominator, we multiply the numerator and the denominator by √x;

-\frac{13}{\sqrt{x}}=-\frac{13\sqrt{x} }{\sqrt{x}\sqrt{x}}\\ \\-\frac{13\sqrt{x} }{\sqrt{x^{2} } }\\\\-\frac{13\sqrt{x} }{x}

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Can someone help me do this
stealth61 [152]

Answer:

False.

Step-by-step explanation:

The ratio is 1:500, which means that the model will be 500 times smaller than the real deal.

The real airplane is 50 metres, or 5,000 centimetres. The model is 50 cm. 5,000 / 50 = 1,000 / 10 = 100 / 1 = 100. Since 100 is NOT equal to 500, the answer is false.

Hope this helps!

3 0
3 years ago
3 x (3^4) = 3x what is x
Llana [10]

Answer:

Step-by-step explanation:

3 x 81 (to the power of 4 is the same as the square, squared, so 9 x 9) = 3x

243 = 3x

81 = x

6 0
2 years ago
What is the answer to 0.55 divided by 100
ratelena [41]
The answer is 0.0055
7 0
3 years ago
Read 2 more answers
Help me pls pls plshdhdvdvd
Ivan
The answer is 5 and 7!
8 0
3 years ago
(2/3 - 3/4 × 1/8) ÷ (2/3 - 3/4 + 5/8)
kati45 [8]
<h3>Given:</h3>

( \frac{2}{3}  -  \frac{3}{4}  \times  \frac{1}{8} ) \div ( \frac{2}{3}  -  \frac{3}{4}  +  \frac{5}{8} )

<h3>Solution:</h3>

First, solve the brackets.

First bracket:

( \frac{2}{3}  -  \frac{3}{4}  \times  \frac{1}{8} )

=  \frac{55}{96}

Second bracket:

( \frac{2}{3}   - \frac{3}{4}  +  \frac{5}{8} )

=  \frac{13}{24}

Then divide.

\frac{55}{96}  \div  \frac{13}{24}

=  \frac{55}{52}  \: or \:  1\frac{3}{52}

3 0
2 years ago
Read 2 more answers
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